MCP4531 Microchip Technology Inc., MCP4531 Datasheet - Page 2

• Manufacturer Part Number: MCP4531
• Description: 7/8-bit Single/dual I 2 C Digital Pot With Non-volatile Memory
• Manufacturer: Microchip Technology Inc.

MCP454X/456X/464X/466X
Device Block Diagram
Device Features
DS22107A-page 2
MCP4531
MCP4532
MCP4541
MCP4542
MCP4551
MCP4552
MCP4561
MCP4562
MCP4631
MCP4632
MCP4641
MCP4642
MCP4651
MCP4652
MCP4661
MCP4662
Note 1:
Device
2:
3:
I
2
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
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
C Interface
1 Potentiometer
1
1 Potentiometer
1
1 Potentiometer
1
1 Potentiometer
1
2 Potentiometer
2
2 Potentiometer
2
2 Potentiometer
2
2 Potentiometer
2
Configuration
HVC/A0
Rheostat
Rheostat
Rheostat
Rheostat
Rheostat
Rheostat
Rheostat
Rheostat
Wiper
SDA
SCL
V
V
WP
A2
A1
DD
SS
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Wiper0 (V & NV)
Wiper1 (V & NV)
TCON
STATUS
Data EEPROM
(10 x 9-bits)
Memory (16x9)
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Interface
Module &
Control
Logic
(WiperLock™
Technology)
Power-up/
Brown-out
Control
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C Serial
RAM
RAM
RAM
RAM
RAM
RAM
RAM
RAM
EE
EE
EE
EE
EE
EE
EE
EE
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
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
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
NV Wiper 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
NV Wiper 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
NV Wiper 5.0, 10.0, 50.0, 100.0
NV Wiper 5.0, 10.0, 50.0, 100.0
Resistor
Network 0
(Pot 0)
Wiper 0
& TCON
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON
Register
For Dual Resistor Network
Devices Only
R
AB
Resistance (typical)
Options (kΩ)
© 2008 Microchip Technology Inc.
Wiper
- R
(Ω)
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
W
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
P0A
P0W
P0B
P1A
P1W
P1B
Operating
Range
V
DD
(2)