Technical Specifications
Parameters and characteristics for this part
| Specification | MCP4251T-104E/ST |
|---|---|
| Configuration | Potentiometer |
| Interface | SPI |
| Memory Type | Volatile |
| Mounting Type | Surface Mount |
| Number of Circuits | 2 |
| Number of Taps | 257 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 14-TSSOP |
| Package / Case [custom] | 0.173 " |
| Package / Case [custom] | 4.4 mm |
| Resistance - Wiper (Ohms) (Typ) | 75 Ohms |
| Resistance (Ohms) | 100 kOhms |
| Supplier Device Package | 14-TSSOP |
| Taper | Linear |
| Temperature Coefficient (Typ) | 150 ppm/°C |
| Tolerance | 20 % |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 1.8 V |
mcp4251 Series
8-Bit Dual Digital POT with SPI
| Part | Voltage - Supply [Min] | Voltage - Supply [Max] | Mounting Type | Package / Case [custom] | Package / Case [custom] | Package / Case | Number of Circuits | Temperature Coefficient (Typ) | Number of Taps | Resistance (Ohms) | Tolerance | Memory Type | Taper | Resistance - Wiper (Ohms) (Typ) | Interface | Configuration | Operating Temperature [Max] | Operating Temperature [Min] | Supplier Device Package | Resistance (Ohms) | Package / Case [x] | Package / Case [y] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 0.173 " | 4.4 mm | 14-TSSOP | 2 | 150 ppm/°C | 257 | 100 kOhms | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 14-TSSOP | |||
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 0.173 " | 4.4 mm | 14-TSSOP | 2 | 150 ppm/°C | 257 | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 14-TSSOP | 10k | |||
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 0.173 " | 4.4 mm | 14-TSSOP | 2 | 150 ppm/°C | 257 | 5 kOhms | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 14-TSSOP | |||
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 16-VQFN Exposed Pad | 2 | 150 ppm/°C | 257 | 50 kOhms | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 16-QFN (4x4) | |||||
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 16-VQFN Exposed Pad | 2 | 150 ppm/°C | 257 | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 16-QFN (4x4) | 10k | |||||
Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 0.173 " | 4.4 mm | 14-TSSOP | 2 | 150 ppm/°C | 257 | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 14-TSSOP | 10k | |||
Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 16-VQFN Exposed Pad | 2 | 150 ppm/°C | 257 | 5 kOhms | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 16-QFN (4x4) | |||||
Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 16-VQFN Exposed Pad | 2 | 150 ppm/°C | 257 | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 16-QFN (4x4) | 10k | |||||
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 14-SOIC | 2 | 150 ppm/°C | 257 | 50 kOhms | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 0.154 in | 3.9 mm | ||||
 Microchip Technology | 1.8 V | 5.5 V | Surface Mount | 14-SOIC | 2 | 150 ppm/°C | 257 | 20 % | Volatile | Linear | 75 Ohms | SPI | Potentiometer | 125 °C | -40 °C | 10k | 0.154 in | 3.9 mm |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 2500 | $ 0.95 | |
| Microchip Direct | T/R | 1 | $ 1.24 | |
| 25 | $ 1.03 | |||
| 100 | $ 0.95 | |||
| 1000 | $ 0.89 | |||
| 5000 | $ 0.88 | |||
Description
General part information
mcp4251 Series
The MCP41/425X devices are volatile, 8-bit (257 wiper steps) digital potentiometers with an SPI compatible interface. The MCP41/42XX family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.
Documents
Technical documentation and resources