WMS7141050P

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Data Acquisition - Digital Potentiometers are capable of precise control of analog signals. The WMS7141050P is a programmable Digital Potentiometer made by Bourns that is specifically designed for precise control of settings in precision analog circuits.

The WMS7141050P digital potentiometer is a single-channel, 75 ohm potentiometer with 256 steps of resolution. It is packaged in a 16-pad, 1.905mm x 1.905mm ceramic surface-mount package. It is operating temperature range of -55 to +125 C and has an operational power range of 2.7V to 5.5V.

The WMS7141050P is designed primarily for use in precision analog circuit applications. The digital potentiometer is used to optimize amplifier gains, set thresholds, and adjust output gain. It can also be used in replacing manual potentiometers a process that involves wiring and calibration of the manual potentiometer to achieve a desired output value.

The device is programmed using a serial interface. This serial interface allows for read and write operations to the WMS7141050P so that the on-chip value can be changed without the need for manual calibration. The device can be accessed using an asynchronous serial protocol like I2C or SPI. The write operation writes a new wiper position for the digital potentiometer, and the read operation reads back the current wiper position in digital form.

The WMS7141050P uses an open-drain analog output scheme where either the drain or the sense resistor is grounded depending on the commanded voltage. The gain of the analog output is determined by the digital-to-analog converter (DAC) inside the device. The output gain is selectable with a single command.

In summary, the WMS7141050P is a digital potentiometer designed for applications requiring precise control of analog signals. The device is programmed using a serial interface and allows for read and write operations so that the on-chip value can be changed without the need for manual calibration. The device can be accessed using an asynchronous serial protocol such as I2C or SPI. The device also uses an open-drain analog output scheme and the output gain is selectable with a single command.

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