Datasheet

MCP434X/436X
DS22233A-page 2 © 2009 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 Taps
V
DD
Operating
Range
(2)
R
AB
Options (kΩ)
Wiper
- R
W
(Ω)
MCP4331
(3)
4 Potentiometer
(1)
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4332
(3)
4 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 129 1.8V to 5.5V
MCP4341 4 Potentiometer
(1)
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4342 4 Rheostat SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 129 2.7V to 5.5V
MCP4351
(3)
4 Potentiometer
(1)
SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4352
(3)
4 Rheostat SPI RAM No Mid-Scale 5.0, 10.0, 50.0, 100.0 75 257 1.8V to 5.5V
MCP4361 4 Potentiometer
(1)
SPI EE Yes NV Wiper 5.0, 10.0, 50.0, 100.0 75 257 2.7V to 5.5V
MCP4362 4 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
& TCON0
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON0
Register
CS
SCK
SDI
SDO
WP
RESET
Memory (16x9)
Wiper0 (V & NV)
Wiper1 (V & NV)
TCON0
STATUS
Data EEPROM
(5 x 9-bits)
P0A
P0W
P0B
P1A
P1W
P1B
Resistor
Network 2
(Pot 2)
Wiper 2
& TCON1
Register
P2A
P2W
P2B
Resistor
Network 3
(Pot 3)
Wiper 3
& TCON1
Register
P3A
P3W
P3B
Wiper2 (V & NV)
Wiper3 (V & NV)
TCON1