MCP4161-502E/SN Microchip Technology, MCP4161-502E/SN Datasheet

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MCP4161-502E/SN

Manufacturer Part Number
MCP4161-502E/SN
Description
IC POT DGTL SNGL 5K SPI 8SOIC
Manufacturer
Microchip Technology
Datasheets

Specifications of MCP4161-502E/SN

Package / Case
8-SOIC (3.9mm Width)
Taps
257
Resistance (ohms)
5K
Number Of Circuits
1
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Non-Volatile
Interface
SPI Serial
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Resistance In Ohms
5K
Number Of Pots
Single
Taps Per Pot
256
Resistance
5 KOhms
Wiper Memory
Non Volatile
Digital Interface
Serial (4-Wire, SPI)
Operating Supply Voltage
2.5 V, 3.3 V, 5 V
Supply Current
550 uA
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP4161-502E/SN
Manufacturer:
Microchip
Quantity:
1 298
Features
• Single or Dual Resistor Network options
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
• R
• Zero-Scale to Full-Scale Wiper operation
• Low Wiper Resistance: 75Ω (typical)
• Low Tempco:
• Non-volatile Memory
• SPI serial interface (10 MHz, modes 0,0 & 1,1)
• Resistor Network Terminal Disconnect Feature
• Write Protect Feature:
• Brown-out reset protection (1.5V typical)
• Serial Interface Inactive current (2.5 uA typical)
• High-Voltage Tolerant Digital Inputs: Up to 12.5V
• Supports Split Rail Applications
• Internal weak pull-up on all digital inputs
• Wide Operating Voltage:
• Wide Bandwidth (-3dB) Operation:
• Extended temperature range (-40°C to +125°C)
© 2008 Microchip Technology Inc.
- 7-bit: 128 Resistors (129 Steps)
- 8-bit: 256 Resistors (257 Steps)
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
- Absolute (Rheostat): 50 ppm typical
- Ratiometric (Potentiometer): 15 ppm typical
- Automatic Recall of Saved Wiper Setting
- WiperLock™ Technology
- High-Speed Read/Writes to wiper registers
- Read/Write to Data EEPROM registers
- Serially enabled EEPROM write protect
- SDI/SDO multiplexing (MCP41X1 only)
via:
- Shutdown pin (SHDN)
- Terminal Control (TCON) Register
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
- 2.7V to 5.5V - Device Characteristics
- 1.8V to 5.5V - Device Operation
- 2 MHz (typical) for 5.0 kΩ device
AB
(0°C to 70°C)
Specified
Resistances options of:
7/8-Bit Single/Dual SPI Digital POT with
MCP414X/416X/424X/426X
Non-Volatile Memory
Description
The MCP41XX and MCP42XX devices offer a wide
range of product offerings using an SPI interface.
WiperLock Technology allows application-specific
calibration settings to be secured in the EEPROM.
Package Types (top view)
SDI/SDO
P1W
SCK
P1B
P1A
V
SDI
SDI/SDO
CS
PDIP, SOIC, TSSOP
SS
* Includes Exposed Thermal Pad (EP); see
SCK
SCK
P1B
V
V
SDI
Single Potentiometer
SCK
CS
CS
PDIP, SOIC, MSOP
SS
SS
V
CS
1
2
3
4
5
6
7
SS
MSOP, DFN
MCP42X1 Dual Potentiometers
1
2
3
4
MCP41X1
3x3 DFN*
1
2
3
4
5
1
2
3
4
14
13
12
11
10
EP
9
9
8
MCP42X2 Dual Rheostat
10
8
7
6
5
V
SDO
SHDN
WP
P0B
P0W
P0A
9
8
7
6
DD
8
7
6
5 P0A
V
P0B
P0W
P0A
V
SDO
P0B
P0W
P1W
DD
V
P0B
P0W
DD
DD
SCK
V
V
SDI
SS
SS
SCK
P1B
V
SDI
CS
SS
SCK
1
2
3
4
V
SDI
CS
SCK
PDIP, SOIC, MSOP
SS
V
SDI
16
CS
5
1
2
3
4
5
Single Rheostat
SS
4x4 QFN*
3x3 DFN*
1
2
3
4
MCP41X2
15 14 13
3x3 DFN*
6
DS22059B-page 1
EP
17
1
2
3
4
EP
11
7
EP
9
Table
8
10
8
7
6
5
9
8
7 P0W
6
12
10
11
8
7
6
5 P0W
9
V
SDO
P0B
3-1.
P1W
V
SDO
P0B
P0W
DD
DD
V
SDO
P0B
WP
NC
P0B
P0W
DD

Related parts for MCP4161-502E/SN

MCP4161-502E/SN Summary of contents

Page 1

... Device Operation • Wide Bandwidth (-3dB) Operation MHz (typical) for 5.0 kΩ device • Extended temperature range (-40°C to +125°C) © 2008 Microchip Technology Inc. Non-Volatile Memory Description The MCP41XX and MCP42XX devices offer a wide range of product offerings using an SPI interface. ...

Page 2

... Data EEPROM (10 x 9-bits) Device Features Wiper Device Configuration (3) (1) MCP4131 1 Potentiometer (3) MCP4132 1 Rheostat (1) MCP4141 1 Potentiometer MCP4142 1 Rheostat (3) (1) MCP4151 1 Potentiometer (3) MCP4152 1 Rheostat (1) MCP4161 1 Potentiometer MCP4162 1 Rheostat (3) (1) MCP4231 2 Potentiometer (3) MCP4232 2 Rheostat (1) MCP4241 2 Potentiometer MCP4242 2 Rheostat (3) (1) MCP4251 2 Potentiometer (3) MCP4252 2 Rheostat (1) MCP4261 ...

Page 3

... dis DD DD © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied ...

Page 4

... SCK @ 5 MHz write all ’s to volatile Wiper 0 (address 0 0h) EE Write Current 5.5V SCK @ 5 MHz write all ’s to non-volatile Wiper 0 0 (address 2h) Serial Interface Inactive 5. Serial Interface Active 5.5V IHH SCK @ 5 MHz, decrement non-volatile Wiper 0 (address 2h) © 2008 Microchip Technology Inc. ...

Page 5

... The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and 8: then tested. POR/BOR is not rate dependent. 9: 10: Supply current is independent of current through the resistor network © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min ...

Page 6

... MCP4XX1 devices only 7-bit (Note 2) 5 kΩ 8-bit Code = 80h 7-bit Code = 40h 10 kΩ 8-bit Code = 80h 7-bit Code = 40h 50 kΩ 8-bit Code = 80h 7-bit Code = 40h 100 kΩ 8-bit Code = 80h 7-bit Code = 40h © 2008 Microchip Technology Inc. ...

Page 7

... The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and 8: then tested. POR/BOR is not rate dependent. 9: 10: Supply current is independent of current through the resistor network © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min ...

Page 8

... µA W 3.0V (Note 7) 7-bit 5.5V µA W 3.0V (Note 7) 100 kΩ 8-bit 5.5V µA W 3.0V (Note 7) 7-bit 5.5V µA W 3.0V (Note MHz, Code = Full-Scale f =1 MHz, Code = Full-Scale f =1 MHz, Code = Full-Scale © 2008 Microchip Technology Inc. ...

Page 9

... The MCP4XX1 is externally connected to match the configurations of the MCP41X2 and MCP42X2, and 8: then tested. POR/BOR is not rate dependent. 9: 10: Supply current is independent of current through the resistor network © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min ...

Page 10

... W ≤ +125°C (extended 5.5V +25° Conditions 8-bit device 7-bit device 8-bit WiperLock Technology = Off 7-bit WiperLock Technology = Off 8-bit V = 2.7V to 5.5V 2.7V, Code = 80h A 7-bit V = 2.7V to 5.5V 2.7V, Code = 40h A © 2008 Microchip Technology Inc. ...

Page 11

... SDO output hi-impedance IH 80 SDO data output valid after SCK↓ edge 83 CS Inactive (V ) after SCK↑ edge IH 84 Hold time of CS Inactive ( Active ( IHH This specification by design. Note 1: © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X V IHH MSb BIT6 - - - - - -1 75, 76 BIT6 - - - - Symbol Min F — ...

Page 12

... Max Units Conditions 10 MHz V = 2. MHz V = 1.8V to 2.7V DD — ns — 2.7V to 5.5V DD — 1.8V to 2.7V DD — 2.7V to 5.5V DD — 1.8V to 2.7V DD — ns — Note 2.7V to 5.5V DD 170 1. — 2. 1.8V to 2.7V DD — ns © 2008 Microchip Technology Inc. ...

Page 13

... This table is for the devices where the SPI’s SDI and SDO pins are multiplexed (SDI/SDO) and a Read 2: command is issued. This is NOT required for SDI/SDO operation with the Increment, Decrement, or Write commands. This data rate can be increased by having external pull-up resistors to increase the rising edges of each bit. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X Symbol Min Max Units F — ...

Page 14

... JA θ — 60 — °C/W JA θ — 57 — °C/W JA θ — 202 — °C/W JA θ — 70 — °C/W JA θ — 95.3 — °C/W JA θ — 100 — °C/W JA θ — 43 — °C GND. SS Conditions © 2008 Microchip Technology Inc. ...

Page 15

... Device Current ( ( vs. Ambient Temperature 900.0 800.0 700.0 600.0 5.5V 500.0 400.0 300.0 - Ambient Temperature (°C) FIGURE 2-3: Write Current (I Ambient Temperature and © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X = 5V 0V 250 200 150 100 50 0 10.00 12. vs. SPI FIGURE 2-4: DD Resistance (R Voltage ( ...

Page 16

... DNL 85° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω Rheo Mode – 3.0V). DD -40°C 25°C 85°C 125° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω – vs. Wiper WB © 2008 Microchip Technology Inc. ...

Page 17

... Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-13 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-14 – Power-Up Wiper Response Time (20 ms/Div). © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X = 5V 0V FIGURE 2-15: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-16: = 5.5V) ...

Page 18

... DNL 125C DNL 3 INL DNL -40°C 85°C 25°C -2 Wiper Setting (decimal) Ω Ω Rheo Mode – 3.0V). DD -40°C 25°C 85°C 125° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω – vs. Wiper WB © 2008 Microchip Technology Inc ...

Page 19

... A Ω FIGURE 2-23 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-24 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X = 5V 0V FIGURE 2-25: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-26: = 5.5V) Increment Wiper Settling Time ( µ ...

Page 20

... Wiper Setting (decimal) Ω Ω Rheo Mode – 3.0V). DD -40°C 25°C 85°C 125° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω – vs. Wiper WB © 2008 Microchip Technology Inc ...

Page 21

... A Ω FIGURE 2-33 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-34 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X = 5V 0V FIGURE 2-35: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-36: = 5.5V) Increment Wiper Settling Time ( µ ...

Page 22

... Wiper Setting (decimal) Ω 100 k Rheo Mode – 3.0V). DD -40°C 25°C 85°C 125° 128 160 192 224 256 Wiper Setting (decimal) Ω Ω 100 k – vs. Wiper WB © 2008 Microchip Technology Inc. ...

Page 23

... FIGURE 2-43: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-44: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X = 5V 0V FIGURE 2-45: = 2.7V) Response Time (1 µs/Div). DD FIGURE 2-46: Increment Wiper Settling Time ( ...

Page 24

... FIGURE 2-50: Resistor Network and Temperature. DD 5.5V 3. 120 Temperature (°C) Resistor Network 0 to Ω ( Mismatch vs. AB 5.5V 3. 110 Temperature (°C) Resistor Network 0 to Ω (100 k ) Mismatch vs. AB © 2008 Microchip Technology Inc. ...

Page 25

... SHDN) vs. V and Temperature. DD 1.4 1.3 5.5V 1.2 1.1 1 0.9 0.8 2.7V 0.7 0.6 - Temperature (°C) FIGURE 2-52: V (SDI, SCK, CS, WP, and IL SHDN) vs. V and Temperature. DD © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X = 5V 0V -10 -15 -20 -25 -30 -35 -40 -45 80 120 -40 FIGURE 2-53: Temperature ...

Page 26

... Temperature (°C) FIGURE 2-57: SCK Input Frequency vs. Voltage and Temperature. DS22059B-page 26 = +25°C, 2.1 Test Circuits Offset GND 80 120 FIGURE 2-58: Test. 5.5V 2.7V 80 120 DD 5.5V 80 120 + OUT Gain vs. Frequency © 2008 Microchip Technology Inc. ...

Page 27

... The DFN and QFN packages have a contact on the bottom of the package. This contact is conductively 4: connected to the die substrate, and therefore should be unconnected or connected to the same ground as the device’s V pin. SS © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X Table 3-1. Weak Pull-up/ Buffer ...

Page 28

... This pad should be tied to the same potential as the V pin (or left unconnected). This pad could be SS used to assist as a heat sink for the device when connected to a PCB heat sink. and < V (2.7V), the electrical DD min © 2008 Microchip Technology Inc. ...

Page 29

... Volatile wiper register is loaded with value in the corresponding non-volatile wiper register • The TCON register is loaded it’s default value • The device is capable of digital operation © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 4.1.2 BROWN-OUT RESET When the device powers down, the device V ...

Page 30

... There are four Volatile Memory locations. These are: • Volatile Wiper 0 • Volatile Wiper 1 (Dual Resistor Network devices only) • Status Register • Terminal Control (TCON) Register The volatile memory starts functioning at the RAM retention voltage (V Disabled Disabled Disabled Disabled Register 4-1). ). RAM © 2008 Microchip Technology Inc. ...

Page 31

... Requires a High Voltage command to modify the state of this bit (for Non-Volatile devices only). This bit is Note 1: Not directly written, but reflects the system state (for this feature). © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X STATUS register can be accessed via the READ commands. ...

Page 32

... EEPROM memory is Write Protected 0 = EEPROM memory can be written Requires a High Voltage command to modify the state of this bit (for Non-Volatile devices only). This bit is Note 1: Not directly written, but reflects the system state (for this feature). DS22059B-page 32 © 2008 Microchip Technology Inc. ...

Page 33

... B and W) can be individually connected/ disconnected from the resistor network. This allows the system to minimize the currents through the digital potentiometer. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X The value that is written to this register will appear on the resistor network terminals when the serial command has completed ...

Page 34

... TCON bits. These bits do not affect the wiper register values. 2: DS22059B-page 34 R/W-1 R/W-1 R/W-1 R1W R1B R0HW U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared x = Bit is unknown R/W-1 R/W-1 R/W-1 R0A R0W R0B bit 0 © 2008 Microchip Technology Inc. ...

Page 35

... INL) for the smaller resistance devices compared to larger resistance devices (100.0 kΩ). FIGURE 5-1: Resistor Block Diagram. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 5.1 Resistor Ladder Module The resistor ladder is a series of equal value resistors (R ) with a connection point (tap) between the two S resistors ...

Page 36

... POR/BOR OPERATION WHEN WIPERLOCK TECHNOLOGY ENABLED The WiperLock Technology state is not affected by a POR/BOR event. A POR/BOR event will load the Volatile Wiper register value with the Non-Volatile Wiper register value, refer to Section 4.1. Modify Write © 2008 Microchip Technology Inc. ...

Page 37

... The TCON register bits return to controlling the terminal connection state A B FIGURE 5-2: Hardware Shutdown Resistor Network Configuration. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 5.4.2 TERMINAL CONTROL REGISTER (TCON) The Terminal Control (TCON) register is a volatile register used to configure the connection of each ...

Page 38

... MCP414X/416X/424X/426X NOTES: DS22059B-page 38 © 2008 Microchip Technology Inc. ...

Page 39

... FIGURE 6-1: Typical SPI Interface Block Diagram. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X Typical SPI Interfaces are shown in SPI interface, The Master’s Output pin is connected to the Slave’s Input pin and the Master’s Input pin is connected to the Slave’s Output pin. ...

Page 40

... For any other command, the SDI/SDO pin returns to an input. SDI/SDO Open Drain FIGURE 6-2: Serial I/O Mux Block Diagram. © 2008 Microchip Technology Inc. “smart” pull-up SDI Control SDO Logic ...

Page 41

... After a Write command, the internal write cycle must complete before the next SPI command is received. 4: This is the maximum clock frequency without an external pull-up resistor. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 6.1.5 THE CS SIGNAL The Chip Select (CS) signal is used to select the device and frame a command sequence ...

Page 42

... SPI Figure 6-3 and Figure 6-4 are Figure 6-5 and Figure 6-6 Figure 6-7 are increment and decrement bit4 bit3 bit2 bit1 bit0 bit4 bit3 bit2 bit1 bit0 bit3 bit2 bit1 bit0 bit3 bit2 bit1 bit0 © 2008 Microchip Technology Inc. ...

Page 43

... Note 1: The SDI pin will read the state of the SDI pin which will be the SDO signal, unless overdriven FIGURE 6-6: 16-Bit Read Command for Devices with SDI/SDO multiplexed - SPI Waveform (Mode 0,0). © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X CMDERR bit D9 D8 ...

Page 44

... AD2 AD1 AD0 C1 CMDERR bit “1” = “Valid” Command/Address “0” = “Invalid” Command/Address bit2 bit1 bit0 X X bit0 CMDERR bit “1” = “Valid” Command/Address “0” = “Invalid” Command/Address bit2 bit1 bit0 bit0 © 2008 Microchip Technology Inc. ...

Page 45

... Bits Address Command Bits FIGURE 7-1: General SPI Command Formats. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.1 Command Byte The Command Byte has three fields, the Address, the Command, and 2 Data bits, see only one of the data bits is defined (D8). This is for the Write command ...

Page 46

... Microchip Technology Inc. ...

Page 47

... All following SDO bits will be low until the CMDERR condition is cleared by forcing the CS pin to the inactive state ( © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.3.1 ABORTING A TRANSMISSION All SPI transmissions must have the correct number of SCK pulses to be executed. The command is not executed until the complete number of clocks have been received ...

Page 48

... WiperLock Wiper is IHH Write Protect “locked”? (1) — unlocked No (1) — unlocked No (1) — unlocked No (1) — unlocked No Yes unchanged No Yes unchanged Yes Yes unchanged No Yes unchanged No Yes locked/ Yes (2) protected Yes unlocked/ Yes (3) unprotected © 2008 Microchip Technology Inc. ...

Page 49

... Note Error Condition occurs (CMDERR = L), all following SDO bits will be low until the CMDERR condition is cleared (the CS pin is forced to the inactive state). FIGURE 7-2: Write Command - SDI and SDO States. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.5.2 SINGLE WRITE TO NON-VOLATILE MEMORY ...

Page 50

... CS pin is driven inactive (V FIGURE 7-3: Continuous Write Sequence (Volatile Memory only). DS22059B-page 50 7.5.4 CONTINUOUS WRITES TO NON-VOLATILE MEMORY Continuous writes to non-volatile memory are not allowed, and attempts will result in a command error (CMDERR) condition. DATA BYTE © 2008 Microchip Technology Inc. ...

Page 51

... D SDO FIGURE 7-4: Read Command - SDI and SDO States. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.6.1 SINGLE READ The read operation requires that the CS pin be in the active state (V IL the inactive state ( The 16-bit Read Command (Command IL IHH Byte and Data Byte) is then clocked in on the SCK and SDI pins ...

Page 52

... Note Command Error (CMDERR) occurs at this bit location (*), then all following SDO bits will be driven low until the CS pin is driven inactive (V FIGURE 7-5: Continuous Read Sequence. DS22059B-page 52 Figure 7-5 shows the sequence for three continuous reads. The reads do not need the same memory address. DATA BYTE © 2008 Microchip Technology Inc. ...

Page 53

... Table 7-2 shows the valid addresses for Note: the Increment Wiper command. Other addresses are invalid. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.7.1 SINGLE INCREMENT Typically, the CS pin starts at the inactive state (V but may be already be in the active state due to the completion of another command ...

Page 54

... Driving the CS pin to V should occur as soon as possible (within device specifications) after the last desired increment occurs. COMMAND BYTE (INCR COMMAND (n+2) ) (INCR COMMAND (n+ written to the corresponding to ensure that IH IH COMMAND BYTE Note Note Note Note 3, 4 © 2008 Microchip Technology Inc. ...

Page 55

... SDI and SDO States. Table 7-2 shows the valid addresses for Note: the Decrement Wiper command. Other addresses are invalid. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.8.1 SINGLE DECREMENT Typically the CS pin starts at the inactive state (V may be already be in the active state due to the completion of another command ...

Page 56

... Driving the CS pin to V should occur as soon as possible (within device specifications) after the last desired decrement occurs. COMMAND BYTE (DECR COMMAND (n-1) ) (DECR COMMAND (n- written to the corresponding to ensure that IH IH COMMAND BYTE Note Note Note Note 3, 4 © 2008 Microchip Technology Inc. ...

Page 57

... TCON register not changed, CMDERR bit is set TCON register not changed, CMDERR bit is set (1) 05h - 0Eh Reserved 0Fh WP is enabled Reserved addresses: Increment or Decrement commands are invalid for these addresses. Note 1: © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 7.9.1 SINGLE ENABLE WRITE PROTECT OR WIPERLOCK TECHNOLOGY (HIGH VOLTAGE) Figure 6-7 through waveforms for a single Modify Write Protect or WiperLock Technology command ...

Page 58

... MCP414X/416X/424X/426X NOTES: DS22059B-page 58 © 2008 Microchip Technology Inc. ...

Page 59

... MCP4XXX specifica- tions. So this PIC MCU operating at 3.3V will drive 2.64V, and for the MCP4XXX operating at 5.5V, OH the V is 2.47V. Therefore, the interface signals meet IH specifications. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 5V Voltage Regulator PIC MCU SDI CS SCK ...

Page 60

... Common A and Common B connections could be connected to V Input Input Balance FIGURE 8-5: using Terminal Disconnects MCP4XXX MCP4XXX Non-volatile terminals could be used. rheostat value to the Common B. and Common base W of Transistor (or Amplifier) B Common B Bias Example Application Circuit © 2008 Microchip Technology Inc. ...

Page 61

... FIGURE 8-6: Typical Microcontroller Connections. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 8.4.2 LAYOUT CONSIDERATIONS Inductively-coupled AC transients and digital switching noise can degrade the input and output signal integrity, potentially masking the MCP4XXX’s performance. Careful board layout minimizes these effects and increases the Signal-to-Noise Ratio (SNR) ...

Page 62

... MCP414X/416X/424X/426X NOTES: DS22059B-page 62 © 2008 Microchip Technology Inc. ...

Page 63

... Optimizing the Digital Potentiometer in Precision Circuits AN219 Comparing Digital Potentiometers to Mechanical Potentiometers — Digital Potentiometer Design Guide — Signal Chain Design Guide © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X 9.2 Technical Documentation Several additional technical documents are available to assist you in your design and development. These technical documents Technical Briefs, and Design Guides ...

Page 64

... MCP414X/416X/424X/426X NOTES: DS22059B-page 64 © 2008 Microchip Technology Inc. ...

Page 65

... MCP4161-104E/MF MCP4161-503E/MF 8-Lead MSOP Part Number MCP4141-502E/MS XXXXXX MCP4141-103E/MS YWWNNN MCP4141-104E/MS MCP4141-503E/MS MCP4161-502E/MS MCP4161-103E/MS MCP4161-104E/MS MCP4161-503E/MS Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is week ‘01’) NNN ...

Page 66

... In the event the full Microchip part number cannot be marked on one line, it will Note: be carried over to the next line, thus limiting the number of available characters for customer-specific information. DS22059B-page 66 Example 4141-502 e 3 E/P 256 0816 Example 4141502E e 3 SN^^^0816 256 ) e 3 © 2008 Microchip Technology Inc. ...

Page 67

... XXXXXXXXXXXXXX YYWWNNN 14-Lead SOIC (.150”) XXXXXXXXXXX XXXXXXXXXXX YYWWNNN 14-Lead TSSOP XXXXXXXX YYWW NNN 16-Lead QFN (4x4) XXXXX XXXXXX XXXXXX YYWWNNN © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X Code Part Number Code BAEM MCP4262-502E/MF BAEW BAEP MCP4262-103E/MF BAEX BAER MCP4262-104E/MF BAEZ BAEQ ...

Page 68

... MCP414X/416X/424X/426X DS22059B-page 68 © 2008 Microchip Technology Inc. ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 69 ...

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... MCP414X/416X/424X/426X DS22059B-page 70 I © 2008 Microchip Technology Inc. φ ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 71 ...

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... MCP414X/416X/424X/426X DS22059B-page 72 α φ β © 2008 Microchip Technology Inc. ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 73 ...

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... MCP414X/416X/424X/426X DS22059B-page 74 © 2008 Microchip Technology Inc. ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 75 ...

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... MCP414X/416X/424X/426X DS22059B-page 76 I © 2008 Microchip Technology Inc. φ ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 77 ...

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... MCP414X/416X/424X/426X DS22059B-page 78 φ β © 2008 Microchip Technology Inc. α ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 79 ...

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... MCP414X/416X/424X/426X DS22059B-page 80 I © 2008 Microchip Technology Inc. φ ...

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... Microchip Technology Inc. MCP414X/416X/424X/426X DS22059B-page 81 ...

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... MCP414X/416X/424X/426X DS22059B-page 82 © 2008 Microchip Technology Inc. ...

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... Descriptions”. 4. Added new Development Tool support item. 5. Updated Package Outline section. Revision A (August 2007) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP414X/416X/424X/426X APPENDIX B: MIGRATING FROM THE MCP41XXX AND MCP42XXX DEVICES This is intended to give an overview of some of the differences to be aware of when migrating from the MCP41XXX and MCP42XXX devices ...

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... MCP414X/416X/424X/426X NOTES: DS22059B-page 84 © 2008 Microchip Technology Inc. ...

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... MCP4142T-103E/XX: T/R, 10 kΩ, 8LD Device e) MCP4142-503E/XX: f) MCP4142T-503E/XX: T/R, 50 kΩ, 8LD Device g) MCP4142-104E/XX: h) MCP4142T-104E/XX: T/R, 100 kΩ, 8LD Device a) MCP4161-502E/XX: b) MCP4161T-502E/XX: T/R, 5 kΩ, 8LD Device c) MCP4161-103E/XX: d) MCP4161T-103E/XX: T/R, 10 kΩ, 8LD Device e) MCP4161-503E/XX: f) MCP4161T-503E/XX: T/R, 50 kΩ, 8LD Device g) MCP4161-104E/XX: h) MCP4161T-104E/XX: T/R, 100 kΩ ...

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... MCP414X/416X/424X/426X NOTES: DS22059B-page 86 © 2008 Microchip Technology Inc. ...

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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...

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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2008 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...

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