ADS7956SDBT

Analog To Digital Converters (ADC) Overview

The ADS7956SDBT is a Texas Instruments microPower successive approximation register (SAR) analog-to-digital converter featuring 16 channels and 12-bit resolution. It supports single-ended inputs with a sampling rate of 1 MSPS and communicates via a standard SPI interface. The device operates on an analog supply voltage ranging from 2.7 V to 5.25 V and a digital supply voltage from 1.7 V to 5.25 V. Key performance metrics include a signal-to-noise ratio of 71.7 dB, a total harmonic distortion of -80 dB, and power consumption of 14.5 mW. It is housed in a 38-pin TSSOP package and functions within a temperature range of -40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed multiplexer and sample-and-hold circuit for efficient multi-channel data acquisition.
• Features a flexible serial interface compatible with standard DSP and microcontroller protocols.
• Designed for low-power operation suitable for battery-powered portable applications.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring multi-channel monitoring
• Portable medical instrumentation and diagnostic devices
• Data acquisition modules for automated testing equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm pinout compatibility and electrical specifications. Ensure the component meets RoHS directives if required by your manufacturing standards. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly to prevent package damage during PCB fabrication processes.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance of moderate resolution and high channel count is required without excessive power draw. Compare against the ADS7950 or ADS7953 series if different channel counts or packaging options better suit the board layout constraints. Verify that the external reference voltage matches the input range requirements for optimal accuracy.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS795x family of microPower SAR ADCs from Texas Instruments. The family shares common architectural features such as the SAR core and SPI interface but varies in resolution and channel count. The ADS7956SDBT specifically targets applications needing 16 channels at 12-bit resolution in a compact surface-mount package.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS7956SBDBTR is a tape-and-reel version of the same device offering identical electrical characteristics. Other family members like the ADS7950SDBT provide fewer channels, while the ADS7953SBRHBT offers a different package type. Verify pin compatibility before substituting any alternative part numbers.