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8-Bit Dual Digital POT with SPI
Overview
- Resolution (Number of Taps):256
- Resistance (ohms) k:50
- Two Resistor Networks
- Potentiometer or Rheostat configuration options
- 8-bit: 255 Resistors (256 Steps)
- 50kΩ
- Zero-Scale to Full-Scale Wiper operation
- INL: 1LSB (max)
- DNL: 1LSB (max)
- SPI Compatible Serial interface
- Standby current: 1uA (max)
- Wide Operating Voltage: 2.7V to 5.5V
- Wide Bandwidth (-3dB) Operation: 280 MHz (typ.)
- Extended temperature range: -40°C to +125°C
The MCP42050 is a single-channel, 8-bit digital potentiometer features 50kΩ end-to-end resistance value with an SPI serial interface. The wiper position varies linearly and is controlled via the SPI interface. The MCP42050 has outstanding AC and DC characteristics, and consumes <1 µA during static operation. Applications for the MCP42050 digital potentiometer include audio equipment (volume and tone controls), servo-motor control, battery charging and control, communications (line impedance matching), power supplies, instrumentation (gain, offset adjust), LCD contrast control and programmable filters. The MCP42050 is available in 8-pin PDIP and SOIC packages.
We welcome questions, comments and recommendations for improvements to this page - please contact us at: Digipotwebrequests@microchip.com if you have any; please mention the part number in the email subject header.
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Tools And Software
Demo & Evaluation Boards
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 The MCP4xxx Digital Potentiometer Daughter Board allows the system designer to quickly evaluate the operation of Microchip Technology’s MCP42XXX and MCP402X Digital Potentiometers.
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| The 14-Lead SOIC/TSSOP/DIP Evaluation Board allows the system designer to quickly evaluate the operation of Microchip Technology’s devices in either SOIC, DIP, or TSSOP packages. |
["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files:
