Datasheet
MCP414X/416X/424X/426X
DS22059B-page 2 © 2008 Microchip Technology Inc.
Device Block Diagram
Device Features
Device
# of POTs
Wiper
Configuration
Control
Interface
Memory
Type
WiperLock
Technology
POR Wiper
Setting
Resistance (typical)
# of Steps
V
DD
Operating
Range
(2)
R
AB
Options (kΩ)
Wiper
- R
W
(Ω)
MCP4131
(3)
1 Potentiometer
(1)
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4132
(3)
1 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4141 1 Potentiometer
(1)
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4142 1 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4151
(3)
1 Potentiometer
(1)
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4152
(3)
1 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4161 1 Potentiometer
(1)
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4162 1 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4231
(3)
2 Potentiometer
(1)
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4232
(3)
2 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4241 2 Potentiometer
(1)
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4242 2 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4251
(3)
2 Potentiometer
(1)
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4252
(3)
2 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4261 2 Potentiometer
(1)
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4262 2 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
Note 1: Floating either terminal (A or B) 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.
3: Please check Microchip web site for device release and availability
Power-up/
Brown-out
Control
V
DD
V
SS
SPI Serial
Interface
Module &
Control
Logic
(WiperLock™
Technology)
Resistor
Network 0
(Pot 0)
Wiper 0
& TCON
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON
Register
CS
SCK
SDI
SDO
WP
SHDN
Memory (16x9)
Wiper0 (V & NV)
Wiper1 (V & NV)
TCON
STATUS
Data EEPROM
(10 x 9-bits)
P0A
P0W
P0B
P1A
P1W
P1B
For Dual Resistor Network
Devices Only
For Dual Potentiometer
Devices Only