ADS1210U/1K

Analog To Digital Converters (ADC) Overview

The ADS1210U/1K is a high-precision, 24-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It utilizes sigma-delta architecture to achieve a maximum data rate of 16 kSPS with a single-ended or differential input configuration. The device operates on a single 5V supply and integrates a programmable gain amplifier (PGA) with gains ranging from 1 to 128. Key electrical parameters include a low noise performance of 30 nVrms at 20 SPS and a typical offset drift of 0.05 µC/°C. It features an internal reference option and communicates via a standard SPI-compatible serial interface. The component is housed in an 18-pin SOIC package.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a low-noise, 24-bit sigma-delta modulator with a programmable gain amplifier for direct sensor interfacing.
• Supports flexible digital filtering through selectable output data rates ranging from 2.5 SPS to 16 kSPS.
• Includes an internal precision voltage reference to simplify system design and reduce external component count.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring high-resolution temperature measurement.
• Weigh scales and load cell instrumentation.
• Medical equipment such as ECG and blood pressure monitors.

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix /1K indicates tape and reel packaging when sourcing. Confirm the active status of the component with the manufacturer, as legacy ADC families may undergo obsolescence notices. Ensure the selected variant matches the required package type and operating temperature range for the target application environment.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications demanding high resolution over moderate speed. Compare against the ADS1211 if multiple differential inputs are required. Verify that the system power supply meets the 4.75V to 5.25V specification. Consider the ADS1220 for lower power consumption or higher integration levels if the pinout compatibility allows.

Analog To Digital Converters (ADC) Part Context

The ADS1210 belongs to Texas Instruments' long-standing family of 24-bit sigma-delta ADCs. It serves as a foundational component for precision measurement systems where noise performance and linearity are critical. The U suffix denotes the SOIC package, while the /1K suffix typically specifies the reel quantity for automated assembly processes.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS1220 is a documented similar replacement offering comparable performance with enhanced integration. Designers should verify pin compatibility and register mapping before substitution. Other alternatives in the ADS12xx series may require schematic modifications due to differences in interface protocols or power requirements.