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