CS5534-ASZR

Analog To Digital Converters (ADC) Overview

The CS5534-ASZR is a four-channel, 24-bit delta-sigma analog-to-digital converter (ADC) manufactured by Cirrus Logic. It integrates a chopper-stabilized programmable gain instrumentation amplifier (PGIA) with selectable gains from 1x to 64x and a fourth-order modulator. The device supports output word rates ranging from 6.25 Sps to 3,840 Sps and features a three-wire serial interface compatible with SPI and Microwire protocols. It operates with flexible power supply configurations, including single +5V or dual ±2.5V/±3V supplies, and is housed in a 24-pin SSOP package.

Analog To Digital Converters (ADC) Feature Summary

• Four differential input channels with integrated multiplexer
• Chopper-stabilized PGIA offering gains of 1x, 2x, 4x, 8x, 16x, 32x, and 64x
• Noise-free resolution up to 23 bits with linearity error of ±0.003% FS
• Selectable digital filter rates from 6.25 Sps to 3,840 Sps with 50/60 Hz rejection

Analog To Digital Converters (ADC) Applications

• Weigh scale systems
• Process control instrumentation
• Scientific measurement equipment
• Medical devices requiring low-level signal acquisition

Analog To Digital Converters (ADC) Procurement Notes

Verify the ASZR suffix indicates tape-and-reel packaging for automated assembly. Confirm RoHS compliance status via the manufacturer's current documentation. Check for End-of-Life (EOL) notices or Production Change Notices (PCN) affecting availability or material composition before finalizing procurement plans.

Analog To Digital Converters (ADC) Selection Notes

Select this model for applications requiring four isolated differential inputs with high precision. Ensure the required gain setting does not exceed the common-mode voltage limits defined by the chosen power supply configuration. Verify that the microcontroller interface supports the three-wire synchronous serial protocol and that the master clock frequency matches the required output data rate.

Analog To Digital Converters (ADC) Part Context

This component belongs to the CS5531/32/33/34 family of highly integrated ADCs. The CS5534 variant specifically provides four channels, whereas the CS5532 offers two channels. Both utilize charge-balance techniques to achieve 24-bit performance, distinguishing them from the 16-bit CS5531 and CS5533 models within the same series.

Analog To Digital Converters (ADC) Replacement Considerations

The CS5534-ASZ is the tube-packaged equivalent of the CS5534-ASZR. Other family members like the CS5532-ASZR provide identical electrical specifications but with only two input channels instead of four.