ADC122S625CIMM/NOPB

Analog To Digital Converters (ADC) Overview

The ADC122S625CIMM/NOPB is a dual-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with an analog and digital supply voltage range of 4.5 V to 5.5 V. The device supports variable sampling rates between 50 kSPS and 200 kSPS per channel. Key performance metrics include a signal-to-noise ratio (SNR) of 73.2 dB, a signal-to-noise and distortion ratio (SINAD) of 72.5 dB, differential nonlinearity (DNL) of 0.95 LSB, integral nonlinearity (INL) of 1 LSB, and a gain error of 8 LSB. It features differential inputs, an SPI interface, and consumes 8.6 mW of power. The component is housed in a 10-lead MSOP package and functions within a temperature range of -40°C to +105°C.

Analog To Digital Converters (ADC) Feature Summary

• Dual-channel architecture with independent sample-and-hold circuits for each converter
• Flexible sampling rate control allowing adjustment from 50 kSPS to 200 kSPS
• Low-power consumption design optimized for battery-operated applications
• High accuracy specifications including low DNL and INL errors

Analog To Digital Converters (ADC) Applications

• Portable medical instrumentation requiring high resolution and low power
• Industrial process control systems utilizing differential input signals
• Data acquisition systems needing simultaneous multi-channel sampling
• Battery-powered test and measurement equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the complete part number including the suffix /NOPB to ensure lead-free compliance and specific packaging options. Confirm the operating temperature grade corresponds to the industrial range (-40°C to +105°C) required for your application environment. Check datasheet revisions for any updates regarding mechanical dimensions or electrical characteristics before finalizing procurement specifications.

Analog To Digital Converters (ADC) Selection Notes

Select this component when dual-channel 12-bit resolution is required with moderate sampling speeds up to 200 kSPS. Ensure the system power supply falls within the 4.5 V to 5.5 V range as lower voltage operation is not supported. Consider the MSOP-10 package size constraints and verify that the SPI interface timing meets the microcontroller or DSP requirements. Evaluate if the 8.6 mW power dissipation aligns with thermal management capabilities in the target enclosure.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADC122S625 series, which focuses on providing dual-channel conversion capabilities in a compact form factor. It complements single-channel variants like the ADC121S625 and higher-speed models within the broader data converter portfolio. The series emphasizes ease of integration through standard SPI compatibility and low power consumption, targeting applications where space and energy efficiency are critical design parameters.

Analog To Digital Converters (ADC) Replacement Considerations

Direct parameter-equivalent substitutes may include other TI dual-channel 12-bit SAR ADCs in similar packages. Verify pinout compatibility and electrical specifications against alternatives such as the ADC122S101 or ADC124S101 if speed or channel count differences are acceptable. Ensure replacement parts maintain the same supply voltage range and interface protocol.