ADS7042 is the industry’s First SAR ADC with Nanowatt Power Consumption

This post is sponsored by Texas Instruments

Supporting a wide analog input voltage range of 1.65 to 3.6 V, the 12-bit, 1-MSPS, ADS7042 is an extremely low-power consuming, ultra small analog-to-digital converter suitable for battery-powered applications with limited space. The device may be used in brushless DC motor systems, CNC drives, portable medical meters, smoke and heat detectors, temperature transmitters, servo drives, temperature sensors and controllers using Modbus, and other industry-specific drives or controllers.

ADS7042 includes a capacitor-based, successive-approximation register (SAR) ADC with an innate sample-and-hold circuit. In addition, it features an SPI-compatible serial interface that’s controlled by CS and SCLK signals — the input signal is sampled with the CS falling edge and SCLK is used for conversion and serial data output.

Just as it features an analog input voltage range of 1.65 to 3.6 V, ADS7042 also supports a wide digital supply range 1.65 V to 3.6 V, allowing it to connect to an array of host controllers. And of course, ADS7042 complies with the JESD8-7A standard for normal DVDD range (1.65 V to 1.95 V).

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