ADS7028IRTET

Analog To Digital Converters (ADC) Overview

The ADS7028IRTET is an 8-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates at a maximum sampling rate of 1 MSPS and features an enhanced SPI interface supporting up to 60 MHz clock speeds. The device utilizes AVDD as the reference voltage, with recommended operating ranges of 2.35 V to 5.5 V for analog supply and 1.65 V to 5.5 V for digital supply. Key performance metrics include a typical signal-to-noise ratio of 73 dB and spurious-free dynamic range of 91 dB. It is housed in a compact 16-pin WQFN package measuring 3 mm × 3 mm.

Analog To Digital Converters (ADC) Feature Summary

• Integrated digital window comparator with programmable thresholds and event counters for analog watchdog functionality
• Built-in root-mean-square module providing 16-bit true RMS output over configurable time windows
• Zero-crossing detection module with built-in transient rejection and digitally adjustable thresholds
• Cyclic redundancy check support for data integrity verification during read/write operations and power-up configuration

Analog To Digital Converters (ADC) Applications

• Refrigerator and freezer control systems
• Rack server monitoring modules
• Mixed signal modules combining analog input, analog output, digital input, and digital output functions
• AC drive power stage modules

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature rating. Ensure compatibility with system voltage requirements before procurement. Confirm RoHS compliance status through current datasheets. Check for any recent production changes or lifecycle notifications from the supplier.

Analog To Digital Converters (ADC) Selection Notes

Select this component when multiplexed I/O flexibility is required alongside high-speed data acquisition. The integrated GPIOs allow channel reuse for digital signaling, reducing external component count. Consider the internal oscillator and autonomous mode capabilities if host processor overhead must be minimized. Verify that the single-ended input range matches the application signal levels.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7028 family of small, 8-channel ADCs. Unlike the ADS7038, it includes integrated CRC, RMS, and ZCD modules. It shares the same WQFN-16 footprint but offers distinct functional enhancements for industrial applications requiring robust signal processing and communication integrity without additional external logic.

Analog To Digital Converters (ADC) Replacement Considerations

ADS7028IRTER is a verified equivalent variant within the same product line.