Technical Document
Specifications
Brand
MicrochipProduct Type
Digital Potentiometer
Number of Positions
257
Resistance
10kΩ
Taper Type
Linear
Memory Type
Volatile
Temperature Coefficient
150 ppm/°C
Number of Pots per Package
2
Interface Type
SPI
Mount Type
Surface
Package Type
SOIC
Minimum Supply Voltage
1.8V
Pin Count
14
Maximum Supply Voltage
5.5V
Minimum Operating Temperature
-40°C
Maximum Operating Temperature
125°C
Standards/Approvals
No
Series
MCP4251
Width
3.9 mm
Height
1.25mm
Length
8.65mm
Automotive Standard
No
Country of Origin
Thailand
Product details
MCP413x/415x/423x/425x Digital Potentiometers
The Microchip MCP413x, MCP415x, MCP423x and MCP425x range of devices are Digital Potentiometers that feature a SPI interface. On board is volatile RAM memory.
7-bit (129 steps) and 8-bit (257 steps) versions are available in various RAB resistance options from 5 kΩ to 100 kΩ. Further variants also give the choice between Rheostat and Potentiometer pinouts, Single and Dual Resistor Network options are also available.
Features
Zero Scale to Full-Scale Wiper Operation
Low Wiper Resistance: 75 Ω (typical)
Low Temperature Coefficient: Absolute (Rheostat) 50 ppm, Ratiometric (Potentiometer) 15 ppm (typical)
SPI Serial Interface
Resistor Network Terminal Disconnect Feature
Brown-Out Reset Protection: 1.5 V (typical)
Serial Interface Inactive Current: 2.5 μA (typical)
High-Voltage Tolerant Digital Inputs: Up to 12.5 V
Supports Split Rail Applications
Internal Weak Pull-Up on all Digital Inputs
Wide Operating Voltage: 1.8 V to 5.5 V
Wide Bandwidth (-3 dB) Operation: 2 MHz for 5.0 kΩ device (typical)
Model Variants
Potentiometer Wiper Configuration: MCP4131, MCP4151, MCP4231, MCP4251
Rheostat Wiper Configuration: MCP4132, MCP4152, MCP4232, MCP4252
Single Resistor Network: MCP4131, MCP4132, MCP4151, MCP4152
Dual Resistor Network: MCP4231, MCP4232, MCP4251, MCP4252
7-bit, 128 Resistors (129 steps): MCP4131, MCP4132, MCP4231, MCP4232
8-bit, 256 Resistors (257 steps): MCP4151, MCP4152, MCP4251, MCP4252
Digital Potentiometer - Microchip
Stock information temporarily unavailable.
€ 13.50
Each (Supplied in a Tube) (Exc. Vat)
€ 16.34
Each (Supplied in a Tube) (inc. VAT)
Production pack (Tube)
10

€ 13.50
Each (Supplied in a Tube) (Exc. Vat)
€ 16.34
Each (Supplied in a Tube) (inc. VAT)
Stock information temporarily unavailable.
Production pack (Tube)
10

Technical Document
Specifications
Brand
MicrochipProduct Type
Digital Potentiometer
Number of Positions
257
Resistance
10kΩ
Taper Type
Linear
Memory Type
Volatile
Temperature Coefficient
150 ppm/°C
Number of Pots per Package
2
Interface Type
SPI
Mount Type
Surface
Package Type
SOIC
Minimum Supply Voltage
1.8V
Pin Count
14
Maximum Supply Voltage
5.5V
Minimum Operating Temperature
-40°C
Maximum Operating Temperature
125°C
Standards/Approvals
No
Series
MCP4251
Width
3.9 mm
Height
1.25mm
Length
8.65mm
Automotive Standard
No
Country of Origin
Thailand
Product details
MCP413x/415x/423x/425x Digital Potentiometers
The Microchip MCP413x, MCP415x, MCP423x and MCP425x range of devices are Digital Potentiometers that feature a SPI interface. On board is volatile RAM memory.
7-bit (129 steps) and 8-bit (257 steps) versions are available in various RAB resistance options from 5 kΩ to 100 kΩ. Further variants also give the choice between Rheostat and Potentiometer pinouts, Single and Dual Resistor Network options are also available.
Features
Zero Scale to Full-Scale Wiper Operation
Low Wiper Resistance: 75 Ω (typical)
Low Temperature Coefficient: Absolute (Rheostat) 50 ppm, Ratiometric (Potentiometer) 15 ppm (typical)
SPI Serial Interface
Resistor Network Terminal Disconnect Feature
Brown-Out Reset Protection: 1.5 V (typical)
Serial Interface Inactive Current: 2.5 μA (typical)
High-Voltage Tolerant Digital Inputs: Up to 12.5 V
Supports Split Rail Applications
Internal Weak Pull-Up on all Digital Inputs
Wide Operating Voltage: 1.8 V to 5.5 V
Wide Bandwidth (-3 dB) Operation: 2 MHz for 5.0 kΩ device (typical)
Model Variants
Potentiometer Wiper Configuration: MCP4131, MCP4151, MCP4231, MCP4251
Rheostat Wiper Configuration: MCP4132, MCP4152, MCP4232, MCP4252
Single Resistor Network: MCP4131, MCP4132, MCP4151, MCP4152
Dual Resistor Network: MCP4231, MCP4232, MCP4251, MCP4252
7-bit, 128 Resistors (129 steps): MCP4131, MCP4132, MCP4231, MCP4232
8-bit, 256 Resistors (257 steps): MCP4151, MCP4152, MCP4251, MCP4252


