MCP4142-103E/P

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Digital potentiometers are widely used in embedded systems as a convenient way to programmatically adjust the resistance in such applications as gain control and threshold detection. An example of such a device is the MCP4142-103E/P digital potentiometer. This device is an integrated, digitally controlled potentiometer that operates over a 2.7 to 5.5 V range with a 8-bit resolution.

The MCP4142-103E/P is a non-volatile memory device that stores the resistance settings when power is removed. The device features a low-power shutdown mode which allows low current consumption when the device is not in use.

The MCP4142-103E/P is available in a 14-pin package with pins arranged in a “W” configuration. It includes a CS, SCK, SDO, and SDI signal pins as well as three terminals for connections to the external load. The CS signal is used for chip selection/power-on reset and SCK, SDO, and SDI are used for serial data transfers.

The MCP4142-103E/P works in three basic modes. When a logic low level is presented to the CS pin during power-up, a reset condition is attained. When the logic high is applied to the CS pin, the read/write mode is set and the device operates in either the read or write mode. The device can be clocked into the read mode via serial data transfers and will output the 8-bit control data on the SDO pin. To enter data into the potentiometer, the device needs to be switched to write mode via serial commands. Data written to the device is stored in non-volatile memory, allowing for settings to be maintained when power is removed.

The MCP4142-103E/P is suitable for use in a variety of applications in the data acquisition and control fields. It can be used for setting gain levels for measuring signals in instrumentation systems, adjusting threshold levels for multiple sensors, setting reference currents for trimming output control circuits and in motor control systems for adjustable speed settings.

In conclusion, the MCP4142-103E/P is a powerful and versatile potentiometer suitable for a wide range of applications in data acquisition and control. Its non-volatile memory, low power consumption, and simple operation make it an attractive option for those applications where programmable variable resistance is desired.

The specific data is subject to PDF, and the above content is for reference