MCP4431 Microchip Technology Inc., MCP4431 Datasheet - Page 2

• Manufacturer Part Number: MCP4431
• Description: 7/8-bit Volatile Quad Digital Pot With I 2c Interface
• Manufacturer: Microchip Technology Inc.

MCP443X/5X
Device Block Diagram
Device Features
DS22267A-page 2
Note 1:
MCP4431
MCP4432
MCP4441
MCP4442
MCP4451
MCP4452
MCP4461
MCP4462
Device
2:
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.
4 Potentiometer
4
4 Potentiometer
4
4
4
4
4
HVC/A0
RESET
SDA
Potentiometer
Potentiometer
SCL
V
V
Configuration
A1
DD
SS
Rheostat
Rheostat
Rheostat
Rheostat
Wiper
Wiper0 (Vol)
Wiper1 (Vol)
Wiper2 (Vol)
Wiper3 (Vol)
TCON0
TCON1
Memory (16x9)
Power-up/
Brown-out
Control
I
Interface
Module &
Control
Logic
2
(1)
(1)
(1)
(1)
C Serial
I
I
I
I
I
I
I
I
2
2
2
2
2
2
2
2
C
C
C
C
C
C
C
C
RAM
RAM
RAM
RAM
EE
EE
EE
EE
Yes NV Wiper 5.0, 10.0, 50.0, 100.0
Yes NV Wiper 5.0, 10.0, 50.0, 100.0
Yes NV Wiper 5.0, 10.0, 50.0, 100.0
Yes NV Wiper 5.0, 10.0, 50.0, 100.0
No
No
No
No
Mid-Scale 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
Mid-Scale 5.0, 10.0, 50.0, 100.0
Resistor
Network 0
(Pot 0)
Wiper 0
& TCON0
Register
Resistor
Network 2
(Pot 2)
Wiper 2
& TCON1
Register
Resistor
Network 3
(Pot 3)
Wiper 3
& TCON1
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON0
Register
R
AB
Resistance (typical)
Options (k)
 2010 Microchip Technology Inc.
Wiper
- R
()
75
75
75
75
75
75
75
75
W
P2A
P2W
P2B
P3A
P3W
P3B
P0A
P0W
P0B
P1A
P1W
P1B
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
Operating
Range
V
DD
(2)