ADS8661IPW

Analog To Digital Converters (ADC) Overview

The ADS8661IPW is a 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a single input channel supporting differential, pseudo-differential, and single-ended configurations. The device operates with an analog supply voltage range of 4.75V to 5.25V and a digital supply voltage range of 1.65V to 3.3V. It achieves a sampling rate of 1.25MSPS and utilizes an internal oscillator. The component communicates via an SPI interface and is housed in a 16-TSSOP package with a width of 4.40mm.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed 12-bit SAR ADC with a built-in internal oscillator for simplified clocking requirements.
• Supports flexible input configurations including differential, pseudo-differential, and single-ended modes.
• Features a standard SPI-compatible serial interface for straightforward digital communication.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring fast data acquisition
• Portable instrumentation with moderate resolution needs
• Data acquisition modules in automated test equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix IPW confirms the 16-TSSOP surface-mount package variant. Confirm the analog supply voltage specifications match the target circuit design, as the digital supply range differs from the analog rail. Ensure the internal oscillator configuration meets the system timing requirements without external clock sources.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution and 1.25MSPS throughput are required in a compact TSSOP footprint. Compare against the ADS8661WRUMR if a WQFN-16 package or wider digital voltage range is preferred. Consider the ADS8665IPW if programmable gain amplifier functionality or higher noise performance is necessary for the application.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS8661 family of high-speed SAR ADCs from Texas Instruments. It shares architectural similarities with other devices in the series but is distinguished by its specific pinout, package type, and fixed internal clock configuration. It serves as a mid-performance option within the company's broader data converter portfolio.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8661WRUMR offers equivalent electrical performance in a WQFN-16 package. The ADS8665IPW provides similar speed but includes a programmable gain amplifier and supports a wider digital voltage range. Verify pin compatibility before substituting these alternatives.