Digital potentiometer chip TPL0501 verification board

• This project is used to verify the solution verification board design of the Lichuang Mall digital potentiometer chip TPL0501-100DCNR .

• This project is  a sample project for the Solicitation Order for Lichuang EDA open source hardware platform  solution verification module .

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1 Features 1 • Single channel 256 position resolution • 100kΩ end-to-end resistance option • Low temperature coefficient: 35ppm/°C • SPI-compatible serial interface • 2.7V to 5.5V single supply operation • ±20% resistor tolerance • Operating Temperature: -40°C to 125°C • Electrostatic Discharge (ESD) Performance per JESD 22 testing – 2000V Human Body Discharge Model (A114-B, Class II) 2 Applications • Adjustable Power Supplies • Adjustable Gain Amplifiers and Offset trimming • Accuracy calibration of set point thresholds • Sensor trimming and calibration • Mechanical potentiometer replacement 3 Description The TPL0501 device is a single channel linear tap digital potentiometer with 256 tap positions. The device can be used as a three-terminal potentiometer or a two-terminal rheostat. The TPL0501 device is equipped with a 100kΩ end-to-end resistor. The internal registers of the TPL0501 device can be accessed using an SPI-compatible interface. The TPL0501 device has a nominal temperature coefficient of 35ppm/°C.