AD977ABRZ

Analog To Digital Converters (ADC) Overview

The AD977ABRZ is a 16-bit successive approximation register (SAR) analog-to-digital converter manufactured by Analog Devices. It operates from a single 5 V supply with a maximum power dissipation of 100 mW and features a throughput rate of 200 kSPS. The device includes an internal 2.5 V reference, a high-speed serial interface, and an on-chip clock. It supports bipolar input ranges of ±10 V, ±5 V, and ±3.3 V, as well as unipolar ranges of 0 V to 10 V, 0 V to 5 V, and 0 V to 4 V. The component is housed in a 20-lead SOIC package and is specified for operation between -40°C and +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Factory calibrated switched capacitor architecture minimizes linearity errors
• Single 5 V supply operation with low power consumption
• Integrated 2.5 V reference and high-speed serial interface

Analog To Digital Converters (ADC) Applications

• Industrial control systems requiring high-resolution data acquisition
• Precision instrumentation and measurement equipment
• Signal conditioning circuits in communication systems

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix against official documentation to confirm package type and temperature range. Confirm availability status as older components may have limited stock or be subject to obsolescence notices. Ensure compatibility with existing board layouts regarding the 20-lead SOIC footprint and pin configuration before ordering.

Analog To Digital Converters (ADC) Selection Notes

Select this model when a 16-bit resolution and 200 kSPS sampling rate are required within a single-supply design. Compare performance metrics such as SNR and THD against system requirements. Consider the AD977 variant if a lower 100 kSPS throughput is sufficient for cost optimization. Verify that the input voltage ranges match the signal source specifications.

Analog To Digital Converters (ADC) Part Context

The AD977ABRZ belongs to the AD977 family of high-speed, low-power 16-bit A/D converters. This series utilizes a BiCMOS process and offers a balance of speed and precision. The 'A' designation typically indicates the 200 kSPS version, distinguishing it from the standard 100 kSPS AD977 models. The family is designed for applications demanding accurate DC and AC performance.

Analog To Digital Converters (ADC) Replacement Considerations

The AD977ABRS is a similar component within the same product family offering identical electrical characteristics. Verify pinout compatibility and package dimensions when substituting. Check for any updates in calibration data or manufacturing revisions that might affect circuit performance.