MCP4431 Microchip Technology Inc., MCP4431 Datasheet
MCP4431
Manufacturer Part Number
MCP4431
Description
7/8-bit Volatile Quad Digital Pot With I 2c Interface
Manufacturer
Microchip Technology Inc.
Datasheet
1.MCP4431.pdf
(94 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP4431-103E/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP4431-502E/ML
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP4431-502E/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP4431-503E/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP4431T-104E/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Features
• Quad Resistor Network
• Potentiometer or Rheostat Configuration Options
• Resistor Network Resolution:
• Four R
• Zero-scale to Full-scale Wiper Operation
• Low Wiper Resistance – 75 typical
• Low Tempco:
• I
• Serial Protocol Allows High-Speed Read/Write to
• Resistor Network Terminal Disconnect Feature
• Reset Input Pin
• Brown-out Reset Protection – 1.5V typical
• Serial Interface Inactive Current – 2.5 uA typical
• High-Voltage Tolerant Digital Inputs Up to 12.5V
• Supports Split Rail Applications
• Internal Weak Pull-up on All Digital Inputs, except
• Wide Operating Voltage:
• Wide Bandwidth (-3 dB) Operation –
• Extended Temperature Range (-40°C to +125°C)
• Three Package Types:
2010 Microchip Technology Inc.
Wiper
via Terminal Control (TCON) Register
SCL and SDA
2 MHz typical for 5.0 k Device
2
C Serial Interface Support:
7-bit – 128 Resistors (129 Taps)
8-bit – 256 Resistors (257 Taps)
5 k
10 k
50 k
100 k
Absolute (Rheostat) – 50 ppm typical (0°-70°C)
Ratiometric (Potentiometer) – 15 ppm typical
100 kHz
400 kHz
3.4 MHz
2.7V to 5.5V - Device Characteristics Specified
1.8V to 5.5V - Device Operation
4x4 QFN-20
TSSOP-20
TSSOP-14
AB
Resistances options:
7/8-Bit Volatile Quad Digital POT
with I
2
C Interface
MCP443X/5X
Package Types (Top View)
HVC/A0
P3B
SDA
SCL
V
MCP44X1 Quad Potentiometers
HVC/A0
SS
HVC/A0
MCP44X2 Quad Rheostat
P3W
P1W
SDA
SCL
P3A
P1B
P1A
P3B
V
1
2
3
4
5
SS
P3W
SDA
SCL
P3B
P1B
V
SS
20
6
1
2
3
4
5
6
7
8
9
10
4x4 QFN
TSSOP
19
7
1
2
3
4
5
6
7
TSSOP
EP
21
18
8
17
20
19
18
17
16
15
14
12
12
11
9
14
13
12
10
10
11
16
9
8
P2A
P2W
V
A1
RESET
NC
P0B
P0W
P0A
P2B
DD
15
13
12
14
11
V
A1
P0B
P0W
P2W
P2B
P1W
DS22267A-page 1
DD
A1
V
RESET
NC
P0B
DD
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