IC DGTL POT QUAD 10K 14TSSOP

MCP4342-103E/ST

Manufacturer Part NumberMCP4342-103E/ST
DescriptionIC DGTL POT QUAD 10K 14TSSOP
ManufacturerMicrochip Technology
SeriesWiperLock™
MCP4342-103E/ST datasheet
 


Specifications of MCP4342-103E/ST

Memory TypeNon-VolatileTaps129
Resistance (ohms)10KNumber Of Circuits4
Temperature Coefficient150 ppm/°C TypicalInterfaceSPI Serial
Voltage - Supply2.7 V ~ 5.5 VOperating Temperature-40°C ~ 125°C
Mounting TypeSurface MountPackage / Case14-TSSOP
Resistance In Ohms10KEnd To End Resistance10kohm
Track TaperLinearNo. Of Steps129
Supply Voltage Range2.7V To 5.5VControl InterfaceSerial, SPI
No. Of PotsQuadRohs CompliantNo
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
Page 1/80

Download datasheet (3Mb)Embed
Next
7/8-Bit Quad SPI Digital POT with
Features
• Quad Resistor Network
• Potentiometer or Rheostat configuration options
• Resistor Network Resolution
- 7-bit: 128 Resistors (129 Taps)
- 8-bit: 256 Resistors (257 Taps)
• R
Resistances options of:
AB
- 5 kΩ
- 10 kΩ
- 50 kΩ
- 100 kΩ
• Zero Scale to Full Scale Wiper operation
• Low Wiper Resistance: 75 Ω (typical)
• Low Tempco:
- Absolute (Rheostat): 50 ppm typical
(0°C to 70°C)
- Ratiometric (Potentiometer): 15 ppm typical
• Non-volatile Memory
- Automatic Recall of Saved Wiper Setting
- WiperLock™ Technology
• SPI serial interface (10 MHz, modes 0,0 & 1,1)
- High-Speed Read/Writes to wiper registers
- Read/Write to Data EEPROM registers
- Serially enabled EEPROM write protect
• Resistor Network Terminal Disconnect Feature
via Terminal Control (TCON) Register
• Reset input pin
• Write Protect Feature:
- Hardware Write Protect (WP) Control pin
- Software Write Protect (WP) Configuration bit
• 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:
- 2.7V to 5.5V - Device Characteristics
Specified
- 1.8V to 5.5V - Device Operation
• Wide Bandwidth (-3 dB) Operation:
- 2 MHz (typical) for 5.0 kΩ device
• Extended temperature range (-40°C to +125°C)
© 2009 Microchip Technology Inc.
MCP434X/436X
Non-Volatile Memory
Package Types (Top View)
MCP43X1 Quad Potentiometers
P3B
CS
SCK
SDI
V
SS
20
P2A
P3A
1
19
P2W
P3W
2
18
P2B
3
P3B
17
V
4
CS
DD
SDO
5
16
SCK
15
SDI
6
RESET
14
V
7
WP
SS
P0B
8
12
P1B
12
P0W
9
P1W
P0A
10
P1A
11
TSSOP
18
17
16
19
20
15
V
DD
1
SDO
14
2
13 RESET
EP
3
21
WP
12
4
P0B
11
5
8
9
10
6
7
4x4 QFN
MCP43X2 Quad Rheostat
14
P2W
P3W
1
13
P2B
2
P3B
12
3
V
CS
DD
11
4
SDO
SCK
5
10
SDI
P0B
9
6
V
P0W
SS
8
7
P1W
P1B
TSSOP
DS22233A-page 1

MCP4342-103E/ST Summary of contents

  • Page 1

    ... Device Characteristics Specified - 1.8V to 5.5V - Device Operation • Wide Bandwidth (-3 dB) Operation MHz (typical) for 5.0 kΩ device • Extended temperature range (-40°C to +125°C) © 2009 Microchip Technology Inc. MCP434X/436X Non-Volatile Memory Package Types (Top View) MCP43X1 Quad Potentiometers P3B ...

  • Page 2

    ... STATUS Data EEPROM (5 x 9-bits) Device Features Wiper Device Configuration (3) (1) MCP4331 4 Potentiometer (3) MCP4332 4 Rheostat (1) MCP4341 4 Potentiometer MCP4342 4 Rheostat (3) (1) MCP4351 4 Potentiometer (3) MCP4352 4 Rheostat (1) MCP4361 4 Potentiometer MCP4362 4 Rheostat Note 1: Floating either terminal ( allows the device to be used as a Rheostat (variable resistor). ...

  • Page 3

    ... ESD protection on all pins ................................... ≥ (HBM), .......................................................................... ≥ 300V (MM) Maximum Junction Temperature (T ) ......................... +150°C J © 2009 Microchip Technology Inc. MCP434X/436X † 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

    ... Serial Interface Active 5.5V SCK @ 5 MHz write all 0’s to volatile Wiper 0 (address 0h) EE Write Current 5.5V SCK @ 5 MHz write all 0’s to non-volatile Wiper 0 (address 2h) Serial Interface Inactive 5. Serial Interface Active 5.5V IHH SCK @ 5 MHz, decrement non-volatile Wiper 0 (address 2h) © 2009 Microchip Technology Inc. ...

  • Page 5

    ... The MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2009 Microchip Technology Inc. –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

  • Page 6

    ... W ≤ +125°C (extended 5.5V +25° Conditions Note 5, Note 6 Note 6, Worst case current through wiper when wiper is either Full Scale or Zero Scale. MCP43X1 PxA = PxW = PxB = V SS MCP43X2 PxB = PxW = V SS © 2009 Microchip Technology Inc. ...

  • Page 7

    ... The MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2009 Microchip Technology Inc. –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

  • Page 8

    ... I = 450 µA W 3.0V 240 µA W (Note 7) 50 kΩ 8-bit 5.5V µA 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 7) © 2009 Microchip Technology Inc. ...

  • Page 9

    ... The MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2009 Microchip Technology Inc. –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

  • Page 10

    ... A = 5.5V +25° Conditions 2.7V ≤ V ≤ 5.5V DD (Allows 2.7V Digital V with DD 5V Analog 1.8V ≤ V ≤ 2.7V DD Threshold for WiperLock™ Technology Pin can tolerate V or less. MAX -2 © 2009 Microchip Technology Inc. ...

  • Page 11

    ... The MCP43X1 is externally connected to match the configurations of the MCP43X2, and then tested. 9: POR/BOR is not rate dependent. 10: Supply current is independent of current through the resistor network. © 2009 Microchip Technology Inc. –40°C ≤ +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD ...

  • Page 12

    ... All parameters apply across the specified operating ranges unless noted +2.7V to 5.5V, 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ devices. DD Typical specifications represent values for V Min Typ Max Units 50 — — ns — — ≤ +125°C (extended 5.5V +25° Conditions © 2009 Microchip Technology Inc. ...

  • Page 13

    ... 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 Note 1: This specification by design. © 2009 Microchip Technology Inc. V IHH MSb BIT6 - - - - - -1 75, 76 BIT6 - - - - Symbol Min F — SCK — ...

  • Page 14

    ... 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 © 2009 Microchip Technology Inc. ...

  • Page 15

    ... Electrical Specifications: Unless otherwise indicated, V Parameters Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Thermal Package Resistances Thermal Resistance, 14L-TSSOP Thermal Resistance, 20L-QFN Thermal Resistance, 20L-TSSOP © 2009 Microchip Technology Inc. MCP434X/436X = +2.7V to +5.5V Sym Min Typ Max Units T -40 — ...

  • Page 16

    ... MCP434X/436X NOTES: DS22233A-page 16 © 2009 Microchip Technology Inc. ...

  • Page 17

    ... Device Current ( ( vs. Ambient Temperature 700.0 600.0 500.0 5.5V 400.0 300.0 2.7V 200.0 100.0 - Ambient Temperature (°C) FIGURE 2-3: Write Current (I Ambient Temperature and © 2009 Microchip Technology Inc 250 200 150 100 50 0 10.00 12. vs. SPI FIGURE 2-4: DD Resistance (R Voltage ( ...

  • Page 18

    ... 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 © 2009 Microchip Technology Inc. ...

  • Page 19

    ... 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). © 2009 Microchip Technology Inc FIGURE 2-15: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-16: = 5.5V) Increment Wiper Settling Time ( µ ...

  • Page 20

    ... 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 © 2009 Microchip Technology Inc. ...

  • Page 21

    ... 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). © 2009 Microchip Technology Inc FIGURE 2-25: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-26: = 5.5V) Increment Wiper Settling Time ( µ ...

  • Page 22

    ... 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 © 2009 Microchip Technology Inc ...

  • Page 23

    ... 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). © 2009 Microchip Technology Inc FIGURE 2-35: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-36: = 5.5V) Increment Wiper Settling Time ( µ ...

  • Page 24

    ... 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 © 2009 Microchip Technology Inc. ...

  • Page 25

    ... 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). © 2009 Microchip Technology Inc FIGURE 2-45: = 2.7V) Increment Wiper Settling Time ( µs/Div). FIGURE 2-46: = 5.5V) ...

  • Page 26

    ... SCK, CS, and IL RESET) vs. V and Temperature. DD DS22233A-page -10 -15 -20 -25 -30 -35 -40 -45 80 120 -40 FIGURE 2-49: Temperature 120 -40 FIGURE 2-50: Temperature. 2.7V 5. 120 Temperature (°C) I (SDO) vs. V and OH DD 5.5V 2. 120 Temperature (°C) I (SDO) vs. V and OL DD © 2009 Microchip Technology Inc. ...

  • Page 27

    ... FIGURE 2-51: Nominal EEPROM Write Cycle Time vs. V and Temperature 1.6 1.2 0.8 0 Temperature (°C) FIGURE 2-52: POR/BOR Trip point vs. V and Temperature. © 2009 Microchip Technology Inc 14.2 14.1 14.0 13.9 13.8 13.7 13.6 13.5 13.4 80 120 -40 FIGURE 2-53: Voltage and Temperature ...

  • Page 28

    ... MCP434X/436X NOTES: DS22233A-page 28 © 2009 Microchip Technology Inc. ...

  • Page 29

    ... The QFN package has 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 © 2009 Microchip Technology Inc. MCP434X/436X Table 3-1. Weak Pull-up/ Buffer ...

  • Page 30

    ... 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. is connected to the internal and < V (2.7V), the electrical DD min © 2009 Microchip Technology Inc. ...

  • Page 31

    ... Volatile wiper register is loaded with value in the corresponding non-volatile wiper register • The TCON registers are loaded their default value • The device is capable of digital operation © 2009 Microchip Technology Inc. 4.1.2 BROWN-OUT RESET When the device powers down, the device V ...

  • Page 32

    ... Factory (2) Initialization — — 8-bit 80h 7-bit 40h 8-bit 80h 7-bit 40h — — — — 8-bit 80h 7-bit 40h 8-bit 80h 7-bit 40h — 000h 000h 000h 000h 000h IHH © 2009 Microchip Technology Inc. ...

  • Page 33

    ... Mid scale 80h 40h -104 100.0 kΩ Mid scale 80h 40h © 2009 Microchip Technology Inc. 4.2.1.4 Special Features There are 5 non-volatile bits that are not directly mapped into the address space. These bits control the following functions: • EEPROM Write Protect • ...

  • Page 34

    ... Not directly written, but reflects the system state (for this feature). DS22233A-page 34 commands. R-1 R-0 R-x (1) (1) WL2 EEWA WL1 U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared x = Bit is unknown R-x R-1 R-x (1) (1) WL0 — WP bit 0 © 2009 Microchip Technology Inc. ...

  • Page 35

    ... EEPROM memory is Write Protected 0 = EEPROM memory can be written Note 1: Requires a High Voltage command to modify the state of this bit (for Non-Volatile devices only). This bit is Not directly written, but reflects the system state (for this feature). © 2009 Microchip Technology Inc. MCP434X/436X DS22233A-page 35 ...

  • Page 36

    ... R2HW, R2A, R2W, and R2B are inhibited POR/BOR these registers are 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 values. © 2009 Microchip Technology Inc. ...

  • Page 37

    ... 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. © 2009 Microchip Technology Inc. (1) R/W-1 R/W-1 R/W-1 R1W ...

  • Page 38

    ... P2B pin is disconnected from the Resistor 2 Network Note 1: These bits do not affect the wiper register values. DS22233A-page 38 (1) R/W-1 R/W-1 R/W-1 R3W R3B R2HW U = Unimplemented bit, read as ‘0’ ‘0’ = Bit is cleared R/W-1 R/W-1 R/W-1 R2A R2W R2B bit Bit is unknown © 2009 Microchip Technology Inc. ...

  • Page 39

    ... FIGURE 5-1: Resistor Block Diagram. © 2009 Microchip Technology Inc. 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. The total number of resistors in the series ...

  • Page 40

    ... 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 © 2009 Microchip Technology Inc. ...

  • Page 41

    ... In other words, the RxHW bit does not corrupt the state of the RxA, RxW, and RxB bits. © 2009 Microchip Technology Inc. The RxHW bit does NOT corrupt the values in the Volatile Wiper Registers nor the TCON register. When the Shutdown mode is exited (RxHW bit = “ ...

  • Page 42

    ... MCP434X/436X NOTES: DS22233A-page 42 © 2009 Microchip Technology Inc. ...

  • Page 43

    ... I/O Note 1: If High voltage commands are desired, some type of external circuitry needs to be implemented. FIGURE 6-1: Typical SPI Interface Block Diagram. © 2009 Microchip Technology Inc. MCP434X/436X Typical SPI Interface is shown in 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’ ...

  • Page 44

    ... The high voltage capability of the CS pin allows High Voltage commands. High Voltage commands allow the Table 6-1 device’s WiperLock Technology and write protect features to be enabled and disabled. Write, Increment, Decrement ( MHz 10 MHz ) to an active state exit the the IH ), the serial the IL © 2009 Microchip Technology Inc. ...

  • Page 45

    ... Input Sample FIGURE 6-3: 16-Bit Commands (Write, Read) - SPI Waveform (Mode 0,0). © 2009 Microchip Technology Inc. 6.2.2 MODE 1,1 In Mode 1,1: SCK idle state = high (V clocked in on the SDI pin on the rising edge of SCK and clocked out on the SDO pin on the falling edge of SCK. ...

  • Page 46

    ... AD2 AD1 AD0 C1 CMDERR bit “1” = Valid Command “0” = Invalid Command bit2 bit1 bit0 X X bit0 CMDERR bit “1” = Valid Command “0” = Invalid Command bit2 bit1 bit0 bit0 © 2009 Microchip Technology Inc. ...

  • Page 47

    ... Bits Address Command Bits FIGURE 7-1: General SPI Command Formats. © 2009 Microchip Technology Inc. 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 48

    ... Microchip Technology Inc. ...

  • Page 49

    ... All following SDO bits will be low until the CMDERR condition is cleared by forcing the CS pin to the inactive state ( © 2009 Microchip Technology Inc. MCP434X/436X 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 50

    ... CS pin inactive then force it back to the active state also recommended that long command strings should be broken down into shorter command strings. This reduces the probability of noise on the SCK pin corrupting the desired SPI command string. © 2009 Microchip Technology Inc. ...

  • Page 51

    ... If the command is executed using address 02h, 03h, 08h, or 09h then that corresponding wiper is locked or if with address 0Fh, then Write Protect is enabled the command is executed using with address 02h, 03h, 08h, or 09h, then that corresponding wiper is unlocked or if with address 0Fh, then Write Protect is disabled. © 2009 Microchip Technology Inc. Operates on Writes # of ...

  • Page 52

    ... NO other SPI commands should be received before the CS pin transitions to the inactive state (V have a Command Error (CMDERR) occur. DATA BYTE Valid Address/Command combination Invalid Address/Command combination ) is started the serial IHH ) com the current SPI command will IH (1) © 2009 Microchip Technology Inc. ...

  • Page 53

    ... 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 7-3: Continuous Write Sequence (Volatile Memory only). © 2009 Microchip Technology Inc. 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 ...

  • Page 54

    ... DATA BYTE Valid Address/Command combination Attempted Non-Volatile Memory Read during Non-Volatile Memory Write Cycle READ DATA Typically, the CS pin will be in IHH ) and is driven to the active state IH Figure 6-2 through © 2009 Microchip Technology Inc. ...

  • Page 55

    ... 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. © 2009 Microchip Technology Inc. MCP434X/436X Figure 7-5 shows the sequence for three continuous reads. The reads do not need the same memory address ...

  • Page 56

    ... Scale (W = A)) 080h 100h Full Scale ( 07Fh 0FFh 041h 081 040h 080h (Mid Scale) 03Fh 07Fh 001h 001 000h 000h Zero Scale ( © 2009 Microchip Technology Inc possible IHH Table 7-4 for IHH to ensure that IH Increment Command Operates Yes ...

  • Page 57

    ... If an 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 7-7: Continuous Increment Command - SDI and SDO States. © 2009 Microchip Technology Inc. MCP434X/436X Increment commands can be sent repeatedly without raising CS until a desired condition is met. The value in ...

  • Page 58

    ... Figure 6-5 show possible IHH Table 7-4 for additional information IHH to ensure that IH 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 ( © 2009 Microchip Technology Inc ...

  • Page 59

    ... If an 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 7-9: Continuous Decrement Command - SDI and SDO States. © 2009 Microchip Technology Inc. MCP434X/436X Decrement commands can be sent repeatedly without raising CS until a desired condition is met. The value in ...

  • Page 60

    ... STATUS register not changed, CMDERR bit is set Wiper 2 register is incremented Wiper 3 register is incremented WL2 is disabled WL3 is disabled TCON1 register not changed, CMDERR bit is set Reserved WP is disabled Figure 6-5 show possible ) wc ), the serial IHH ) com- wc Increment Wiper © 2009 Microchip Technology Inc. ...

  • Page 61

    ... So this PIC MCU operating at 3.3V will drive 2.64V, and for the MCP43XX operating OH at 5.5V, the V is 2.47V. Therefore, the interface IH signals meet specifications. © 2009 Microchip Technology Inc. MCP434X/436X 5V Voltage Regulator PIC MCU = 2. FIGURE 8-1: System 1. Voltage ...

  • Page 62

    ... Common A and Common B connections could be connected to V Potentiometer voltage be 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 © 2009 Microchip Technology Inc. ...

  • Page 63

    ... V DD 0.1 µ FIGURE 8-6: Typical Microcontroller Connections. © 2009 Microchip Technology Inc. MCP434X/436X 8.4.2 LAYOUT CONSIDERATIONS Several layout considerations may be applicable to your application. These may include: • Noise • Footprint Compatibility • PCB Area Requirements 8.4.2.1 Noise Inductively-coupled AC transients and digital switching noise can degrade the input and output signal integrity, potentially masking the MCP43XX’ ...

  • Page 64

    ... Non-Volatile wiper value (after calibration) and the contents of the EEPROM. This ensures that since High Voltage is not present under normal operating conditions, these values can not be modified. © 2009 Microchip Technology Inc. (1) 32.64 2.04 16.00 1 42.24 2 ...

  • Page 65

    ... Optimizing the Digital Potentiometer in Precision Circuits AN219 Comparing Digital Potentiometers to Mechanical Potentiometers — Digital Potentiometer Design Guide — Signal Chain Design Guide © 2009 Microchip Technology Inc. MCP434X/436X 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 66

    ... MCP434X/436X NOTES: DS22233A-page 66 © 2009 Microchip Technology Inc. ...

  • Page 67

    ... 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. © 2009 Microchip Technology Inc. MCP434X/436X Example 4362502E 0940 ...

  • Page 68

    ... MCP434X/436X /HDG 3ODVWLF 7KLQ 6KULQN 6PDOO 2XWOLQH 67 ± 1RWH D N NOTE 1RWHV DS22233A-page 68 PP %RG\ >76623 © 2009 Microchip Technology Inc. φ L ...

  • Page 69

    ... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2009 Microchip Technology Inc. MCP434X/436X DS22233A-page 69 ...

  • Page 70

    ... MCP434X/436X /HDG 3ODVWLF 4XDG )ODW 1R /HDG 3DFNDJH 0/ ± 1RWH D TOP VIEW A3 1RWHV DS22233A-page 70 EXPOSED PAD NOTE 1 BOTTOM VIEW %RG\ >4) © 2009 Microchip Technology Inc. ...

  • Page 71

    ... Microchip Technology Inc. MCP434X/436X DS22233A-page 71 ...

  • Page 72

    ... MCP434X/436X /HDG 3ODVWLF 7KLQ 6KULQN 6PDOO 2XWOLQH 67 ± 1RWH D N NOTE 1RWHV DS22233A-page 72 PP %RG\ >76623 © 2009 Microchip Technology Inc. φ L ...

  • Page 73

    ... Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2009 Microchip Technology Inc. MCP434X/436X DS22233A-page 73 ...

  • Page 74

    ... MCP434X/436X NOTES: DS22233A-page 74 © 2009 Microchip Technology Inc. ...

  • Page 75

    ... APPENDIX A: REVISION HISTORY Revision A (December 2009) • Original Release of this Document. © 2009 Microchip Technology Inc. MCP434X/436X DS22233A-page 75 ...

  • Page 76

    ... MCP434X/436X NOTES: DS22233A-page 76 © 2009 Microchip Technology Inc. ...

  • Page 77

    ... MCP4341T-503E/XX: T/R, 50 kΩ, 20-LD Device g) MCP4341-104E/XX: h) MCP4341T-104E/XX: T/R, 100 kΩ, a) MCP4342-502E/XX: b) MCP4342T-502E/XX: T/R, 5 kΩ, 14-LD Device c) MCP4342-103E/XX: d) MCP4342T-103E/XX: T/R, 10 kΩ, 14-LD Device e) MCP4342-503E/XX: f) MCP4342T-503E/XX: T/R, 50 kΩ, 14-LD Device g) MCP4342-104E/XX: h) MCP4342T-104E/XX: T/R, 100 kΩ, a) MCP4361-502E/XX: b) MCP4361T-502E/XX: T/R, 5 kΩ, 20-LD Device ...

  • Page 78

    ... MCP434X/436X NOTES: DS22233A-page 78 © 2009 Microchip Technology Inc. ...

  • Page 79

    ... REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, 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 80

    ... Fax: 886-3-6578-370 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 © 2009 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 ...