CS5523-ASZ

Analog To Digital Converters (ADC) Overview

The CS5523-ASZ is a 16-bit, four-channel analog-to-digital converter (ADC) from Cirrus Logic. It utilizes a fourth-order delta-sigma architecture with an integrated chopper-stabilized instrumentation amplifier and programmable gain amplifier (PGA). The device supports selectable input spans ranging from 25 mV to 5 V and operates on a single +5 V supply. Key features include system and self-calibration capabilities, an SPI-compatible serial interface, and simultaneous 50/60 Hz line frequency rejection at output rates below 30 Sps.

Analog To Digital Converters (ADC) Feature Summary

• Four differential inputs with integrated chopper-stabilized instrumentation amplifier
• Programmable gain amplifier supporting input spans of 25 mV, 55 mV, 100 mV, 1 V, 2.5 V, and 5 V
• System and self-calibration registers for offset and gain correction
• SPI/Microwire compatible three-wire serial interface with FIFO

Analog To Digital Converters (ADC) Applications

• Process control systems requiring low-level signal measurement
• Industrial monitoring applications with isolated or non-isolated signals
• Ground-based thermocouple measurements using charge pump drive

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'ASZ' against current manufacturer documentation to confirm package type and environmental compliance status. Check for End-of-Life notifications or Product Change Notices affecting availability. Ensure the required voltage reference and clock source specifications align with the design requirements before ordering.

Analog To Digital Converters (ADC) Selection Notes

Select this component for applications requiring 16-bit resolution with multiple differential channels. The CS5523 is part of a family including 24-bit variants; ensure the 16-bit performance meets accuracy needs. Verify that the external voltage reference range (+1 V to +5 V) matches the system design. Confirm compatibility with the host microcontroller's SPI timing constraints.

Analog To Digital Converters (ADC) Part Context

The CS5523 belongs to the CS552x series, which includes models with varying channel counts and resolutions. The CS5521 and CS5522 offer two channels, while the CS5524 provides four channels with 24-bit resolution. The CS5528 extends this to eight channels. All share similar architectural features but differ in pin count and data throughput capabilities.

Analog To Digital Converters (ADC) Replacement Considerations

Direct replacements within the same family include the CS5523-ASZR for tape-and-reel packaging. For higher resolution requirements, the CS5524-ASZ offers 24-bit performance with identical channel count. Lower channel count options like the CS5521-ASZ may be suitable if fewer inputs are needed.