ADS1213E/1KG4

Overview

The Texas Instruments ADS1213E/1KG4 is a 22-bit analog-to-digital converter utilizing sigma-delta architecture. It features four differential input channels and an integrated programmable gain amplifier. The device operates with a sampling rate of up to 6.25 kSPS and communicates via an SPI-compatible digital interface. It requires 5V analog and digital power supplies and functions within a temperature range of -40°C to +85°C. The component is housed in a 24-pin SOIC package.

Feature Summary

• Integrated 22-bit resolution for high-precision signal acquisition
• Four differential inputs with selectable gain stages
• Sigma-delta modulation for noise rejection

Applications

• Industrial process control systems
• High-resolution weighing scales
• Medical instrumentation

Procurement Notes

Verify the specific suffix 'E/1KG4' against the official datasheet, as standard listings typically reference 'ADS1213U'. Confirm RoHS compliance status and ensure the supplier provides valid traceability documentation for the reel quantity indicated by the '/1K' designation.

Selection Notes

Select this component when 22-bit resolution and low-frequency precision are required. Ensure the design supports the 5V supply voltage and accommodates the 24-SOIC footprint. Verify that the SPI interface timing meets the microcontroller requirements for the selected data rate.

Part Context

This part belongs to the ADS121x family of precision ADCs from Texas Instruments. It shares architectural similarities with the ADS1212 but offers four input channels instead of two. The '/1K' suffix indicates a reel packaging format containing one thousand units.

Replacement Considerations

The ADS1212 serves as a functional substitute if only two differential channels are required. Designers must verify pin compatibility and software register configurations when transitioning between these models.