MCP4651-503E/ST Microchip Technology, MCP4651-503E/ST Datasheet

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MCP4651-503E/ST

Manufacturer Part Number
MCP4651-503E/ST
Description
IC DGTL POT 50K 256TAPS 14-TSSOP
Manufacturer
Microchip Technology
Datasheet

Specifications of MCP4651-503E/ST

Package / Case
14-TSSOP
Taps
257
Resistance (ohms)
50K
Number Of Circuits
2
Temperature Coefficient
150 ppm/°C Typical
Memory Type
Volatile
Interface
I²C, 2-Wire Serial
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Resistance In Ohms
50K
Number Of Pots
Dual
Taps Per Pot
256
Resistance
50 KOhms
Wiper Memory
Volatile
Digital Interface
Serial (2-Wire, I2C)
Operating Supply Voltage
2.5 V or 3.3 V or 5 V
Supply Current
0.0025 mA (Typ)
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
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:
• I
• Serial protocol allows:
• Resistor Network Terminal Disconnect 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
• 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
- 100 kHz, 400 kHz and 3.4 MHz support
- High-Speed Read/Write to wiper
- Increment/Decrement of wiper
via the Terminal Control (TCON) Register
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
- 2 MHz (typical) for 5.0 kΩ device
2
AB
C Serial interface
(0°C to 70°C)
Resistances options of:
7/8-Bit Single/Dual I
MCP453X/455X/463X/465X
Volatile Memory
2
C Digital POT with
Description
The MCP45XX and MCP46XX devices offer a wide
range of product offerings using an I
family of devices support 7-bit and 8-bit resistor
networks, Volatile memory configurations, and Potenti-
ometer and Rheostat pinouts.
Package Types (top view)
HVC/A0
HVC/A0
HVC / A0
HVC / A0
SDA
P1W
* Includes Exposed Thermal Pad (EP); see
SCL
SDA
Single Potentiometer
SCL
P1B
P1A
P1B
V
V
SDA
SDA
SCL
SCL
V
SS
SS
V
SS
SS
DFN 3x3 (MF) *
MCP45X1
1
2
3
4
5
6
7
1
2
3
4
5
1
2
3
4
MCP46X1 Dual Potentiometers
TSSOP
1
2
3
4
MSOP
MSOP
MCP46X2 Dual Rheostat
EP
9
14
13
12
11
10
10
8
7
6
5
9
8
9
8
7
6
8
7
6
5 P0W
V
P0B
P0W
P0A
P1W
V
A1
P0B
V
A1
A2
NC
P0B
P0W
P0A
V
A1
P0B
P0W
DD
DD
DD
DD
HVC / A0
HVC / A0
HVC / A0
SDA
SCL
V
V
SS
SS
QFN-16 4x4 (ML) *
SDA
SDA
SCL
SCL
P1B 5
SDA
SCL
V
V
V
Single Rheostat
1
2
3
4
SS
SS
SS
DFN 3x3 (MF) *
DFN 3x3 (MF) *
16
MCP45X2
5 6 7 8
2
1
2
3
4
1
2
3
4
C interface. This
DS22096A-page 1
15 14 13
1
2
3
4
MSOP
EP
17
EP
EP
11
Table
9
8
7
6
5
12
11
10
10
9
8
7
6
5 P0W
9
8
7 P0W
6 P1W
3-1.
NC
NC
P0B
P0W
V
A1
P0B
P0W
V
A1
P0B
V
A1
P0B
DD
DD
DD

Related parts for MCP4651-503E/ST

MCP4651-503E/ST Summary of contents

Page 1

... Device Characteristics Specified - 1.8V to 5.5V - 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 Digital POT with Volatile Memory Description The MCP45XX and MCP46XX devices offer a wide ...

Page 2

... MCP4631 2 Potentiometer (3) MCP4632 2 Rheostat (1) MCP4641 2 Potentiometer MCP4642 2 Rheostat (3) (1) MCP4651 2 Potentiometer (3) MCP4652 2 Rheostat (1) MCP4661 2 Potentiometer MCP4662 2 Rheostat Note 1: Floating either terminal ( allows the device to be used as a Rheostat (variable resistor). 2: Analog characteristics only tested from 2.7V to 5.5V unless otherwise noted. ...

Page 3

... DIS DD DD © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X † 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

... HVC/ ( (Note 11 Write all 0’s to Volatile Wiper 5.5V 3.4 MHz DD SCL Serial Interface Active, HVC/ ( (Note 11 Write all 0’s to Volatile Wiper 5.5V 100 kHz DD SCL Serial Interface Inactive, (Stop condition, SCL = SDA = Wiper = 5.5V, HVC/ specification PU © 2008 Microchip Technology Inc. ...

Page 5

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units 4 ...

Page 6

... Conditions Terminal Full-Scale (FS) Terminal Zero Scale (ZS) Terminal 0V 5.5V 4000 AB(MIN 0V 5.5V, A Terminal 8000 AB(MIN) and 0V Terminal 5.5V 40000 AB(MIN 0V 5.5V 80000 AB(MIN) MCP4XX1 PxA = PxW = PxB = V SS MCP4XX2 PxB = PxW = V SS Terminals Disconnected (R1HW = R0HW = 0) specification PU © 2008 Microchip Technology Inc. ...

Page 7

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units -6 ...

Page 8

... DD A Conditions 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 specification PU © 2008 Microchip Technology Inc. ...

Page 9

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units -1 ...

Page 10

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

Page 11

... POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network 11: When HVC/ the I IHH © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Min Typ Max Units — ...

Page 12

... Internal V pull-up, V pull-down DD IHH V = 5.5V 12.5V DD IHH HVC pin 5.5V HVC V = 5.5V HVC and 3.4 MHz C 8-bit device 7-bit device All Terminals connected 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 specification PU © 2008 Microchip Technology Inc. ...

Page 13

... Hold time STOP condition SU STO Setup time STOP condition HD STO Hold time © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Standard Operating Conditions (unless otherwise specified) –40°C ≤ T Operating Temperature Operating Voltage V range is described in DD Min Max Units Standard Mode 0 100 Fast Mode ...

Page 14

... MHz mode 320 3.4 MHz mode 160 — 102 92 110 ≤ +125°C (Extended) A AC/DC characteristics Units Conditions ns 1.8V-5.5V ns 2.7V-5.5V ns 4.5V-5.5V ns 4.5V-5.5V ns 1.8V-5.5V ns 2.7V-5.5V ns 4.5V-5.5V ns 4.5V-5.5V 2 C-bus system, but the 2 C bus specification) before specification, but © 2008 Microchip Technology Inc. ...

Page 15

... A Master Transmitter must provide a delay to ensure that difference between SDA and SCL fall times do not unintentionally create a Start or Stop condition. 7: Ensured by the T 3.4 MHz specification test. AA © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Standard Operating Conditions (unless otherwise specified) –40°C ≤ T Operating Temperature Operating Voltage V ...

Page 16

... Cb = 100 pF, Note 1, Note 400 pF, Note 1, Note 100 pF, Note 1 ns Time the bus must be free before a new transmission ns can start Philips Spec states N. Spike suppression ns Spike suppression 2 C-bus system, but the 2 C bus specification) before specification, but © 2008 Microchip Technology Inc. ...

Page 17

... Thermal Package Resistances Thermal Resistance, 8L-DFN (3x3) Thermal Resistance, 8L-MSOP Thermal Resistance, 8L-SOIC Thermal Resistance, 10L-DFN (3x3) Thermal Resistance, 10L-MSOP Thermal Resistance, 14L-MSOP Thermal Resistance, 14L-SOIC Thermal Resistance, 16L-QFN © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = +2.7V to +5.5V Sym Min Typ Max Units ...

Page 18

... MCP453X/455X/463X/465X NOTES: DS22096A-page 18 © 2008 Microchip Technology Inc. ...

Page 19

... FIGURE 2-2: Device Current ( (HVC = V ) vs. Ambient Temperature 420 400 380 360 340 320 300 - Temperature (°C) FIGURE 2-3: Write Current (I Ambient Temperature. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V 250 200 150 100 50 0 120 vs FIGURE 2-4: DD Resistance (R Input Voltage (V ...

Page 20

... Rw 85C Rw 125C Rw -40C INL 25C INL 85C INL 125C INL -40C DNL 25C DNL 85C DNL 125C DNL 98 INL DNL 128 192 256 Wiper Setting (decimal) ) with respect to device W Ω Ω Rheo Mode – 1.8V). DD © 2008 Microchip Technology Inc. ...

Page 21

... Note: Unless otherwise indicated +25° 5300 5250 5200 5150 5100 5050 - Ambient Temperature (°C) Ω FIGURE 2-12 – Nominal Resistance Ω vs. Ambient Temperature and V © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V 6000 5000 4000 2.7V 3000 2000 1000 5. 120 0 FIGURE 2-13: . ...

Page 22

... FIGURE 2-16 – Power-Up Wiper Response Time (20 ms/Div). DS22096A-page FIGURE 2-17: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-18: = 2.7V) Increment Wiper Settling Time ( µs/Div). Ω – Low-Voltage = 5.5V) DD Ω – Low-Voltage = 2.7V) DD © 2008 Microchip Technology Inc. ...

Page 23

... W voltage and wiper setting value. Ω FIGURE 2-21 Pot Mode – R INL (LSb), DNL (LSb) vs. Wiper Setting and Ambient Temperature (V = 1.8V). DD © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V 0.3 120 125C Rw 125C INL 0.2 125C DNL 100 ...

Page 24

... Ambient Temperature and V DS22096A-page 12000 10000 8000 6000 4000 2000 0 80 120 0 FIGURE 2-26: . Setting and Ambient Temperature. 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 25

... Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-28 – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-29 – Power-Up Wiper Response Time (1 µs/Div). © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V FIGURE 2-30: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-31: = 2.7V) ...

Page 26

... DNL 25C DNL 85C DNL 125C DNL 63.5 RW 58.5 53.5 INL 48.5 43.5 38.5 33.5 28.5 23.5 18.5 13.5 DNL 8.5 3.5 -1.5 Wiper Setting (decimal) ) with respect to device W Ω Ω Rheo Mode – 1.8V). DD © 2008 Microchip Technology Inc ...

Page 27

... Ambient Temperature (°C) Ω FIGURE 2-38 – Nominal Resistance Ω vs. Ambient Temperature and V © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V 60000 50000 40000 30000 20000 10000 0 80 120 0 FIGURE 2-39: . Setting and Ambient Temperature. ...

Page 28

... FIGURE 2-42 – Power-Up Wiper Response Time (1 µs/Div). DS22096A-page FIGURE 2-43: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-44: = 2.7V) Increment Wiper Settling Time ( µs/Div). Ω – Low-Voltage = 5.5V) DD Ω – Low-Voltage = 2.7V) DD © 2008 Microchip Technology Inc. ...

Page 29

... W voltage and wiper setting value. Ω FIGURE 2-47: 100 k Pot Mode – R INL (LSb), DNL (LSb) vs. Wiper Setting and Ambient Temperature (V = 1.8V). DD © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V 0.2 120 125C Rw 125C INL 125C DNL 100 ...

Page 30

... Ambient Temperature and DS22096A-page 120000 100000 80000 60000 40000 20000 0 80 120 0 FIGURE 2-52: Setting and Ambient Temperature. -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 31

... FIGURE 2-53: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). Ω FIGURE 2-54: 100 k – Low-Voltage Decrement Wiper Settling Time (V (1 µs/Div). © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V FIGURE 2-55: = 5.5V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-56 ...

Page 32

... FIGURE 2-60: 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 33

... Temperature (°C) FIGURE 2-61: V (SDA, SCL) vs Temperature. 2 5.5V 1.5 2. Temperature (°C) FIGURE 2-62: V (SDA, SCL) vs Temperature. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X = 5V 0V 230 210 190 170 150 130 110 -40 80 120 and FIGURE 2-63: DD Temperature (I 80 120 and DD 2 ...

Page 34

... Note: Unless otherwise indicated +25° 1.2 1 0.8 0.6 0.4 0 Temperature (°C) FIGURE 2-64: POR/BOR Trip point vs. V and Temperature. DS22096A-page 34 2.1 Test Circuits 5. 2.7V Offset GND 80 120 FIGURE 2-65: DD Test. + OUT Gain vs. Frequency © 2008 Microchip Technology Inc. ...

Page 35

... The DFN and QFN packages have a contact on the bottom of the package. This contact is conductively 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. MCP453X/455X/463X/465X Table 3-1. Weak Pull-up/ Buffer ...

Page 36

... This pad could be SS used to assist as a heat sink for the device when con- nected to a PCB heat sink and interface’s Address 2 pin. Along 2 C bus interface’s Address 1 pin. Along 2 C bus < V (2.7V), the electrical DD min © 2008 Microchip Technology Inc. ...

Page 37

... 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. MCP453X/455X/463X/465X 4.1.2 BROWN-OUT RESET When the device powers down, the device V ...

Page 38

... On a POR/BOR this register is loaded with 1FFh (9-bits), for all terminals connected. The Host Controller needs to detect the POR/BOR event and then update the Volatile TCON register value. Additionally, there is a bit which enables the operation of General Call commands. © 2008 Microchip Technology Inc. ...

Page 39

... This bit connects/disconnects the Resistor 0 Terminal B to the Resistor 0 Network 1 = P0B pin is connected to the Resistor 0 Network 0 = P0B pin is disconnected from the Resistor 0 Network Note 1: These bits do not affect the wiper register values. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X (1) R/W-1 R/W-1 R/W-1 ...

Page 40

... MCP453X/455X/463X/465X NOTES: DS22096A-page 40 © 2008 Microchip Technology Inc. ...

Page 41

... INL) for the smaller resistance devices compared to larger resistance devices (100.0 kΩ). FIGURE 5-1: Resistor Block Diagram. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X 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 42

... VOLATILE WIPER VALUE VS. WIPER POSITION MAP Properties 3FFh Reserved (Full-Scale (W = A)), 101h Increment and Decrement commands ignored 100h Full-Scale (W = A), Increment commands ignored 0FFh 081 080h (Mid-Scale) 07Fh 001 000h Zero Scale ( Decrement command ignored © 2008 Microchip Technology Inc. ...

Page 43

... RxA, RxW, and RxB bits FIGURE 5-2: Resistor Network Shutdown Configuration. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X 5.3.2 INTERACTION OF RxHW BIT AND RxA, RxW, AND RxB BITS (TCON REGISTER) Using the TCON bits allows each resistor network (Pot 0 and Pot individually “ ...

Page 44

... MCP453X/455X/463X/465X NOTES: DS22096A-page 44 © 2008 Microchip Technology Inc. ...

Page 45

... This pin could be tied high, low, or connected to an I/O pin of the Host Controller. 2 FIGURE 6-1: Typical I C Interface Block Diagram. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X 2 C) 6.1 Signal Descriptions 2 2 The I C interface uses up to five pins (signals). These ...

Page 46

... A 9 Acknowledge Waveform. Table 6-1 shows Bit Comment Response A Only if GCEN bit is set After device has received address and command 2 N. Module Resets “Don’t Care” if the colli- sion occurs on the Masters “Start bit”. © 2008 Microchip Technology Inc. ...

Page 47

... Data allowed START to change Condition 2 FIGURE 6- Data States and Bit Sequence. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X 6.2.1.5 The Stop bit (see Data Transfer Sequence. The Stop bit is defined as the SDA signal rising when the SCL signal is “High”. A Stop bit resets the I devices ...

Page 48

... Schmidt trigger at SDA and SCL inputs. Slave Address See Table 6-2 R/W bit R write R read Slave Address Bits in the DEVICE SLAVE ADDRESSES Comment Supports devices. Note 1 Supports devices. Note 1 devices. Note 1 Supports devices. Note 1 © 2008 Microchip Technology Inc. ...

Page 49

... A = Not Acknowledge bit R/W = Read/Write bit P = Stop bit (Stop condition terminates HS Mode) FIGURE 6-10: HS Mode Sequence. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X After switching to the High-Speed mode, the next transferred byte is the I the device to communicate with, and any number of data bytes plus acknowledgements. The Master ...

Page 50

... Note 1: Any other code is Not Acknowledged. These codes may be used by other devices on the I 2: The 7-bit command always appends a “0” to form 8-bits “d” is the D8 bit for the 9-bit write value. Comment 2 C bus. © 2008 Microchip Technology Inc. ...

Page 51

... Write Next Byte (Third Byte) to TCON Register. The Following is a “Hardware General Call” Format General Call Address FIGURE 6-11: General Call Formats. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Second Byte “7-bit Command” Specification - Philips # 9398 393 40011, Ver. 2.1 January 2000) Second Byte ...

Page 52

... MCP453X/455X/463X/465X NOTES: DS22096A-page 52 © 2008 Microchip Technology Inc. ...

Page 53

... Table 7-3 shows an overview of all the device com- mands and their interaction with other device features. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X 7.1 Command Byte The MCP4XXX’s Command Byte has three fields: the ...

Page 54

... Read Data nn nnnn nnnn Increment Wiper — Decrement Wiper — — — — — nn nnnn nnnn (3) Read Data nn nnnn nnnn (3) Read Data nn nnnn nnnn — — Comment Maps to Non-Volitile MCP45XX/46XX device’s STATUS Register © 2008 Microchip Technology Inc. ...

Page 55

... High Voltage Read Data High Voltage Increment Wiper High Voltage Decrement Wiper © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X 7.3 Error Condition If the four address bits received (AD3:AD0) and the two command bits received (C1:C0) are a valid combina- tion, the MCP4XXX will Acknowledge the I ...

Page 56

... High Voltage operational state. High Voltage commands allow the device’s WiperLock Technology and write protect features to be enabled and disabled. The HVC pin has an internal resistor connection to the MCP45XX/46XXs internal Control Byte. Figure 7-3 signal. DD © 2008 Microchip Technology Inc. ...

Page 57

... WRITE Command WRITE Command Only functions when writing the volatile wiper registers (AD3:AD0 = 00h, 01h, and 04h) Note: or the TCON register 2 FIGURE 7- Continuous Volatile Wiper Write. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Device Memory Write “Data” bits Command Address ...

Page 58

... SDA signal. All signals will be ignored until the next valid Start condition and Control Byte are received. for the random byte read signal TRANSMISSION AND 2 C © 2008 Microchip Technology Inc. ...

Page 59

... The MCP45XX/46XX retains the last “Device Memory Address” that it has received. This is the MCP45XX/46XX does not “corrupt” the “Device Memory Address” after Repeated Start or Stop conditions. 2 FIGURE 7- Random Read. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Read Data bits ...

Page 60

... The Master Device will Not Acknowledge, and the MCP45XX/46XX will release the bus so the Master Device can generate a Stop or Repeated Start condition. 2 FIGURE 7- Continuos Reads. DS22096A-page 60 Read Data bits Read bits Read Data bits Read Data bits STOP bit © 2008 Microchip Technology Inc. ...

Page 61

... This command sequence does not need to terminate (using the Stop bit) and can 2: change to any other desired command sequence (Increment, Read, or Write). 2 FIGURE 7- Increment Command Sequence. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X TABLE 7-4: Current Wiper Setting 7-bit 8-bit Pot ...

Page 62

... Address Command DECR Command (n-1) DECREMENT OPERATION VS. VOLATILE WIPER VALUE Decrement Wiper (W) Command Properties Operates? Reserved No (Full-Scale (W = A)) Full-Scale ( Yes (Mid-Scale) Yes Zero Scale ( (~8.5V) on the IHH level to the 1st edge IHH signal DECR Command (n-2) © 2008 Microchip Technology Inc. ...

Page 63

... C 2 FIGURE 8-1: Using the TC1240A to generate the V voltage. IHH © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X The circuit in Figure 8-2 MCP402X Non-volatile Digital Potentiometer Evalua- tion Board (Part Number: MCP402XEV). This method requires that the system voltage be approximately 5V. This ensures that when the PIC10F206 enters a ...

Page 64

... S P Nine bits of ‘1’ Start bit Stop bit Software Reset Sequence 2 C bus low to acknowledge the data sent 2 C bus activity. The 2 C devices © 2008 Microchip Technology Inc ...

Page 65

... Time from one I C command completed to completing the next I I2CDLY FIGURE 8-6: Example Comparison of “Normal Operation” vs. “General Call Operation” wiper Updates. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Figure 8-5 shows two I cases, the single I adequate. For applications that do not want all the ...

Page 66

... This technique reduces the end to end change is R and DD 8.5.4 HIGH VOLTAGE TOLERANT PINS High Voltage support (V is for compatibility with the non-volatile devices Figure 2-12, 2-38, and Figure 2-51. resistance the Serial Interface pins IHH © 2008 Microchip Technology Inc. ...

Page 67

... The custom device will have a “P” (for Pull-up) after the resistance version in the Product Identification System. These device will not be available through Microchip’s online Microchip Direct nor Microchip’s Sample sys- tems. Example part number: MCP4631-103PE/ST © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X DS22096A-page 67 ...

Page 68

... MCP453X/455X/463X/465X NOTES: DS22096A-page 68 © 2008 Microchip Technology Inc. ...

Page 69

... 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. MCP453X/455X/463X/465X 10.2 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 70

... MCP453X/455X/463X/465X NOTES: DS22096A-page 70 © 2008 Microchip Technology Inc. ...

Page 71

... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X Code Part Number Code ...

Page 72

... MCP4632-103E/MF NNN MCP4632-104E/MF MCP4632-503E/MF 10-Lead MSOP Part Number XXXXXX MCP4632-502E/UN YWWNNN MCP4632-103E/UN MCP4632-104E/UN MCP4632-503E/UN 14-Lead TSSOP (MCP4631, MCP4651) XXXXXXXX YYWW NNN 16-Lead QFN (MCP4631, MCP4651) XXXXX XXXXXX XXXXXX YYWWNNN DS22096A-page 72 Code Part Number Code AABA MCP4652-502E/MF AAKA AACA MCP4652-103E/MF AALA AAEA ...

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... D N NOTE TOP VIEW A3 © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X b EXPOSED PAD E K BOTTOM VIEW A NOTE NOTE DS22096A-page 73 ...

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... MCP453X/455X/463X/465X DS22096A-page 74 © 2008 Microchip Technology Inc. ...

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... D N NOTE © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X φ L DS22096A-page 75 ...

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... MCP453X/455X/463X/465X D N NOTE TOP VIEW A3 DS22096A-page EXPOSED PAD BOTTOM VIEW A A1 NOTE NOTE © 2008 Microchip Technology Inc. ...

Page 77

... Microchip Technology Inc. MCP453X/455X/463X/465X DS22096A-page 77 ...

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... MCP453X/455X/463X/465X D N NOTE DS22096A-page φ © 2008 Microchip Technology Inc. ...

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... D N NOTE © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X φ L DS22096A-page 79 ...

Page 80

... MCP453X/455X/463X/465X D E TOP VIEW A A1 DS22096A-page 80 EXPOSED PAD NOTE 1 BOTTOM VIEW © 2008 Microchip Technology Inc. ...

Page 81

... Microchip Technology Inc. MCP453X/455X/463X/465X DS22096A-page 81 ...

Page 82

... MCP453X/455X/463X/465X NOTES: DS22096A-page 82 © 2008 Microchip Technology Inc. ...

Page 83

... APPENDIX A: REVISION HISTORY Revision A (November 2008) • Original Release of this Document. © 2008 Microchip Technology Inc. MCP453X/455X/463X/465X DS22096A-page 83 ...

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... MCP453X/455X/463X/465X NOTES: DS22096A-page 84 © 2008 Microchip Technology Inc. ...

Page 85

... Device MCP4651-103E/XX: 10 kΩ, 8-LD Device MCP4651-503E/XX: 50 kΩ, 8LD Device MCP4651-104E/XX: 100 kΩ, 8LD Device MCP4651T-104E/XX: T/R, 100 kΩ, 8LD Device MCP4652-502E/XX: 5 kΩ, 8LD Device MCP4652-103E/XX: 10 kΩ, 8-LD Device MCP4652-503E/XX: 50 kΩ, 8LD Device MCP4652-104E/XX: 100 kΩ ...

Page 86

... MCP453X/455X/463X/465X NOTES: DS22096A-page 86 © 2008 Microchip Technology Inc. ...

Page 87

... 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. ...

Page 88

... 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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