MCP4251-503E/P, Digital Potentiometer 50kΩ 257-Position Linear 2-Channel Serial-SPI 8 Pin, PDIP
- RS Stock No.:
- 723-9744
- Mfr. Part No.:
- MCP4251-503E/P
- Brand:
- Microchip
Available to back order for despatch when stock is available
Added
Price Each (In a Pack of 2)
£1.06
(exc. VAT)
£1.27
(inc. VAT)
| Units | Per unit | Per Pack* |
| 2 - 8 | £1.06 | £2.12 |
| 10 - 22 | £1.01 | £2.02 |
| 24 - 98 | £0.965 | £1.93 |
| 100 + | £0.91 | £1.82 |
| *price indicative | ||
- RS Stock No.:
- 723-9744
- Mfr. Part No.:
- MCP4251-503E/P
- Brand:
- Microchip
Technical Reference
Legislation and Compliance
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.
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)
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
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
Specifications
Attribute | Value |
|---|---|
| Control Interface | Serial-SPI |
| Resistance Value | 50kΩ |
| Number of Positions | 257 |
| Taper Type | Linear |
| Memory Type | Volatile |
| Number of Pots per Package | 2 |
| Mounting Type | Through Hole |
| Package Type | PDIP |
| Pin Count | 8 |
| Power Supply Type | Single |
| Typical Single Supply Voltage | 1.8 to 5.5 V |
| Dimensions | 0.4 x 0.28 x 0.195in |
| Height | 4.95mm |
| Length | 10.16mm |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +125 °C |
| Width | 0.28in |