
MCP454X/456X/464X/466X
DS22107A-page 2
2008 Microchip Technology Inc.
Device Block Diagram
Device Features
Device
#
of
POT
s
Wiper
Configuration
Control
Inter
face
Memory
Ty
p
e
W
iper
L
o
ck
T
ech
no
log
y
POR
W
iper
Setting
Resistance (typical)
#
of
S
te
p
s
VDD
Operating
Range (2)
RAB Options (kΩ)
Wiper
- RW
(
Ω)
MCP4531 (3)
1
Potentiometer (1)
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
129 1.8V to 5.5V
MCP4532 (3)
1
Rheostat
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
129 1.8V to 5.5V
MCP4541
1
Potentiometer (1)
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
129 2.7V to 5.5V
MCP4542
1
Rheostat
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
129 2.7V to 5.5V
MCP4551 (3)
1
Potentiometer (1)
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
257 1.8V to 5.5V
MCP4552 (3)
1
Rheostat
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
257 1.8V to 5.5V
MCP4561
1
Potentiometer (1)
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
257 2.7V to 5.5V
MCP4562
1
Rheostat
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
257 2.7V to 5.5V
MCP4631 (3)
2
Potentiometer (1)
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
129 1.8V to 5.5V
MCP4632 (3)
2
Rheostat
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
129 1.8V to 5.5V
MCP4641
2
Potentiometer (1)
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
129 2.7V to 5.5V
MCP4642
2
Rheostat
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
129 2.7V to 5.5V
MCP4651 (3)
2
Potentiometer (1)
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
257 1.8V to 5.5V
MCP4652 (3)
2
Rheostat
I2C
RAM
No
Mid-Scale 5.0, 10.0, 50.0, 100.0
75
257 1.8V to 5.5V
MCP4661
2
Potentiometer (1)
I2C
EE
Yes
NV Wiper 5.0, 10.0, 50.0, 100.0
75
257 2.7V to 5.5V
MCP4662
2
Rheostat
I2C
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
VDD
VSS
I2C Serial
Interface
Module &
Control
Logic
(WiperLock
Technology)
Resistor
Network 0
(Pot 0)
Wiper 0
& TCON
Register
Resistor
Network 1
(Pot 1)
Wiper 1
& TCON
Register
A2
A1
HVC/A0
SCL
SDA
WP
Memory (16x9)
Wiper0 (V & NV)
Wiper1 (V & NV)
TCON
STATUS
Data EEPROM
(10 x 9-bits)
P0A
P0W
P0B
P1A
P1W
P1B
For Dual Resistor Network
Devices Only
I2C Interface