ADS8887IDGSR

Analog To Digital Converters (ADC) Overview

The ADS8887IDGSR is a single-channel, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) manufactured by Texas Instruments. It operates with a maximum sampling rate of 100 kSPS and features a truly differential input architecture. The device utilizes an internal oscillator and supports daisy-chain connectivity via a standard SPI interface. Power consumption is specified at 700 µW, with separate analog supply voltages ranging from 2.7 V to 3.6 V and digital supply voltages from 1.65 V to 3.6 V. It is housed in a 10-lead MSOP package and functions within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Features a microPOWER architecture designed for low-power applications with minimal power dissipation.
• Includes an internal oscillator to reduce external component count and simplify board layout.
• Supports daisy-chaining capabilities for connecting multiple devices on a single serial bus.

Analog To Digital Converters (ADC) Applications

• Portable medical instrumentation requiring high resolution and low power consumption.
• Industrial process control systems utilizing differential signal inputs.
• Battery-powered data acquisition systems needing extended operational life.

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'R' indicates tape-and-reel packaging when ordering. Confirm that the required operating temperature range aligns with the industrial grade specifications. Ensure the external reference voltage matches the device's input requirements for optimal performance.

Analog To Digital Converters (ADC) Selection Notes

Select this component when an 18-bit resolution is necessary alongside a 100 kSPS sampling speed. Compare against the ADS8885 if higher throughput is required, or the ADS8881 for faster conversion rates. Ensure the system design accommodates the separate analog and digital supply voltage domains.

Analog To Digital Converters (ADC) Part Context

This part belongs to the Texas Instruments ADS888x family of microPOWER SAR ADCs. It shares the same MSOP-10 package and core architecture with variants like the ADS8885 and ADS8881, differing primarily in sampling speed and power characteristics. The IDGSR designation specifies the industrial temperature range and reel packaging format.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8885IDGSR offers a higher sampling rate of 400 kSPS with identical pinout and resolution. The ADS8881IDGSR provides 1 MSPS throughput but consumes more power. Verify compatibility with existing PCB layouts and software drivers before substitution.