MCP433X/435X
Device Block Diagram
V
DD
V
SS
CS
SCK
SDI
SDO
RESET
Memory (16x9)
Wiper0 (V)
Wiper1 (V)
Wiper2 (V)
Wiper3 (V)
TCON0
TCON1
Power-up/
Brown-out
Control
SPI Serial
Interface
Module and
Control
Logic
Resistor
Network 0
(Pot 0)
Wiper 0
and TCON0
Register
P0A
P0W
P0B
P1A
P1W
Resistor
Network 1
(Pot 1)
Wiper 1
and TCON0
Register
P1B
P2A
P2W
Resistor
Network 2
(Pot 2)
Wiper 2
and TCON1
Register
P2B
P3A
P3W
Resistor
Network 3
(Pot 3)
Wiper 3
and TCON1
Register
P3B
Device Features
WiperLock
Technology
POR Wiper
Setting
# of POTs
Control
Interface
# of Taps
Memory
Type
Resistance (typical)
R
AB
Options (k)
Wiper
- R
W
()
75
75
75
75
75
75
75
75
Wiper
Configuration
V
DD
Operating
Range
Device
MCP4331
MCP4332
MCP4341
MCP4342
MCP4351
MCP4352
MCP4361
MCP4362
Note 1:
2:
4 Potentiometer
SPI
4 Rheostat
4 Rheostat
4 Rheostat
4
Potentiometer
4 Rheostat
SPI
SPI
SPI
SPI
SPI
4 Potentiometer
SPI
4 Potentiometer
SPI
RAM
RAM
EE
EE
RAM
RAM
EE
EE
No
No
Yes
Yes
No
No
Yes
Yes
Mid-Scale 5.0, 10.0, 50.0, 100.0
Mid-Scale 5.0, 10.0, 50.0, 100.0
NV Wiper 5.0, 10.0, 50.0, 100.0
NV Wiper 5.0, 10.0, 50.0, 100.0
Mid-Scale 5.0, 10.0, 50.0, 100.0
Mid-Scale 5.0, 10.0, 50.0, 100.0
NV Wiper 5.0, 10.0, 50.0, 100.0
NV Wiper 5.0, 10.0, 50.0, 100.0
129 1.8V to 5.5V
129 1.8V to 5.5V
129 2.7V to 5.5V
129 2.7V to 5.5V
257 1.8V to 5.5V
257 1.8V to 5.5V
257 2.7V to 5.5V
257 2.7V to 5.5V
Floating either terminal (A or B) allows the device to be used as a Rheostat (variable resistor).
Analog characteristics only tested from 2.7V to 5.5V unless otherwise noted.
DS22242A-page 2
2010 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
