ADS8167IRHBR

Analog To Digital Converters (ADC) Overview

The ADS8167IRHBR is an 8-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 supports pseudo-differential or single-ended input configurations. The device utilizes a standard SPI interface for data communication and requires external voltage reference components. It functions on a 5 V analog supply and a 3 V digital supply, ensuring compatibility with various system architectures. Key performance metrics include a signal-to-noise ratio of 93 dB and a full-power bandwidth of 4 MHz. The component is housed in a 32-pin VQFN package and supports operation across an industrial temperature range from -40°C to +125°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates eight independent channels within a single SAR ADC architecture for efficient multi-point signal acquisition.
• Features enhanced serial peripheral interface (SPI) compatibility for straightforward digital connectivity.
• Includes an internal comparator for simplified threshold detection without additional discrete components.
• Supports flexible input modes accommodating both pseudo-differential and single-ended signal sources.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring multi-channel sensor monitoring
• Data acquisition modules for factory automation environments
• Medical instrumentation utilizing multiple physiological signal inputs

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix IRHBR indicates the tape-and-reel packaging format suitable for automated surface-mount assembly processes. Confirm that the operating voltage requirements align with the target system's power distribution network. Ensure the external reference voltage source meets the accuracy specifications required for the intended application resolution. Check for moisture sensitivity level compliance during storage and handling procedures.

Analog To Digital Converters (ADC) Selection Notes

Select this component when eight simultaneous or multiplexed 16-bit conversions are necessary at moderate speeds. Compare against the ADS8166 if channel count differs or against the ADS8168 for higher throughput requirements. Evaluate the trade-off between the 250 kSPS limit and the 16-bit resolution for the specific application bandwidth needs. Consider the VQFN package dimensions for PCB layout constraints relative to alternative packages.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS816x family of high-speed, low-power SAR ADCs designed for precision applications. It shares architectural similarities with the ADS8166 and ADS8168 but offers a specific eight-channel configuration. The family is characterized by its ability to handle wide dynamic ranges while maintaining low power consumption. It serves as a bridge between high-resolution sigma-delta converters and faster, lower-resolution pipeline ADCs.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS8166IRHBR is a verified substitute offering identical pinout and functionality with potentially different channel counts or minor parameter variations. The ADS8168IRHBT provides similar features but operates at a higher sampling rate of 1 MSPS. Verify electrical compatibility before swapping these parts to ensure system timing and voltage levels remain within specification.