ADS8166IRHBT

Analog To Digital Converters (ADC) Overview

The ADS8166IRHBT is an eight-channel, 16-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with a maximum sampling rate of 250 kSPS and features a VQFN-32 package. The device supports pseudo-differential or single-ended inputs and utilizes an external voltage reference. Electrical specifications include a signal-to-noise ratio of 92 dB, differential nonlinearity of 0.2 LSB, and integral nonlinearity of 0.35 LSB. It functions within an analog supply range of 3 V to 5.5 V and a digital supply range of 1.65 V to 5.5 V, with an operating temperature range from -40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Eight-channel multiplexed input architecture supporting pseudo-differential and single-ended configurations
• Integrated comparator for system monitoring and control applications
• Enhanced SPI interface compatible with standard digital communication protocols
• High accuracy performance with low differential and integral nonlinearity errors

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring multi-channel data acquisition
• Medical instrumentation and diagnostic equipment
• Data acquisition modules for factory automation
• Test and measurement instruments

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix IRHBT to confirm the tape-and-reel packaging format and industrial temperature grade. Ensure the ordering part number matches the required pinout and moisture sensitivity level for surface-mount assembly processes. Cross-reference the manufacturer datasheet revision to confirm compatibility with design-in requirements.

Analog To Digital Converters (ADC) Selection Notes

Select this component when eight simultaneous channels are required at 16-bit resolution. Compare against the ADS8168 if higher throughput up to 1 MSPS is needed. Verify that the external reference requirement aligns with system power constraints. Check input voltage ranges to ensure compatibility with sensor outputs before finalizing the bill of materials.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADS816x family of high-speed, low-power SAR ADCs from Texas Instruments. It shares architectural similarities with other members like the ADS8168 but offers a fixed 250 kSPS sampling rate optimized for cost-sensitive multi-channel applications. The family provides a standardized interface for scalable data acquisition designs.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8168IRHBT serves as a functional substitute offering higher speed capabilities while maintaining the same package and pinout configuration. Designers should verify timing parameters and power consumption differences when migrating between these variants.