ADS7951SBDBTR

Analog To Digital Converters (ADC) Overview

The ADS7951SBDBTR is a 12-bit, 1-MSPS, 8-channel single-ended microPower SAR ADC manufactured by Texas Instruments. It operates with an analog supply voltage range of 2.7 V to 5.25 V and a digital supply voltage range of 1.7 V to 5.25 V. The device features an SPI-compatible serial interface and utilizes an external reference voltage of 2.51 V. Key performance metrics include a Signal-to-Noise Ratio (SNR) of 70 dB and a Signal-to-Noise and Distortion Ratio (SINAD) of 71.3 dB. Differential Nonlinearity (DNL) and Integral Nonlinearity (INL) are both specified at +/- 1 LSB. The component is housed in a 38-pin TSSOP package and supports operation temperatures from -40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates an 8-channel multiplexer with a sample-and-hold circuit for efficient multi-point data acquisition.
• Delivers high linearity accuracy with DNL and INL specifications limited to +/- 1 LSB.
• Supports flexible power management through independent analog and digital supply voltage ranges.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring multi-channel signal monitoring
• Portable instrumentation utilizing battery-powered single-supply architectures
• Data acquisition modules in harsh environments demanding wide temperature stability

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and reel specifications. Ensure compatibility with external reference requirements and SPI timing constraints during integration. Confirm RoHS compliance status and moisture sensitivity level ratings prior to storage and assembly planning.

Analog To Digital Converters (ADC) Selection Notes

Select this component when eight single-ended channels require simultaneous sampling capabilities at 1 MSPS resolution. Compare against ADS7950 variants if fewer channels are sufficient or ADS7952/ADS7953 models if higher channel counts are necessary. Evaluate power consumption requirements against the 11.5 mW typical dissipation figure.

Analog To Digital Converters (ADC) Part Context

This part belongs to the Texas Instruments ADS795x family of microPower SAR ADCs. It shares architectural similarities with the ADS7950, ADS7952, and ADS7953 series, differing primarily in channel count and pin configuration. The SBDBTR suffix indicates a tape-and-reel packaging format suitable for automated surface-mount assembly processes.

Analog To Digital Converters (ADC) Replacement Considerations

Direct functional substitutes within the same family include the ADS7950SBDBT (4-channel), ADS7952SBDBT (12-channel), and ADS7953SBDBT (16-channel). Verify pinout compatibility and software register mapping before implementing cross-model replacements in existing designs.