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Product attributes Property Value
Manufacturer Cirrus Logic Inc.
Product Series
Packaging Tape & Reel (TR) |
Number of Bits 24
Sampling Rate (Per Second) 617
Number of Inputs 8
Input Type Single Ended
Data Interface SPI
Configuration MUX-ADC
Ratio - S/H:ADC -
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 5V
Features Selectable Address
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Grade -
Qualification -
Package / Case 24-SSOP (0.209", 5.30mm Width)
Supplier Device Package 24-SSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Cirrus Logic CS5528-ASZR is a high-precision 24-bit analog-to-digital converter featuring 8 multiplexed input channels and a 617 SPS sampling rate. Its MUX-ADC architecture with external reference support enables accurate multi-sensor measurement in industrial and instrumentation applications. The SPI interface ensures easy connectivity with standard digital controllers. Housed in a compact 24-SSOP package, this ADC operates reliably across -40°C to 85°C, making it suitable for demanding environments.

  • High Resolution (24-bit): Provides exceptional measurement precision for low-level signal detection, critical for sensor and instrumentation applications.
  • 8-Channel Multiplexing: Reduces component count and board space by allowing multiple sensors to share one ADC, lowering overall system cost.
  • SPI Interface: Simplifies digital communication with standard microcontrollers, enabling fast and reliable data transfer.
  • Wide Temperature Range (-40°C to 85°C): Ensures stable performance in industrial and automotive environments.
  • External Reference Support: Enables ratiometric measurements, improving accuracy by eliminating reference voltage drift errors.

Multi-Channel Sensor Digitization

The CS5528-ASZR's 8-channel multiplexer allows direct connection of multiple analog sensors (e.g., thermocouples, RTDs, strain gauges) to a single ADC. Its 24-bit resolution ensures precise digitization of small signal variations, making it ideal for high-accuracy instrumentation.

Industrial Process Control

With a 617 SPS sampling rate and external reference support, this ADC is suitable for slow, high-precision industrial monitoring loops. The -40°C to 85°C temperature range ensures reliable operation in harsh factory environments.

Data Acquisition Systems

The SPI interface simplifies integration with microcontrollers and DSPs in multi-channel data loggers. The MUX-ADC architecture reduces external component count, lowering system cost and board space.

Weigh Scale and Load Cell Measurement

The 24-bit resolution provides the dynamic range needed for precision weighing applications. The external reference input allows ratiometric measurements, eliminating errors due to supply voltage drift.

Medical Instrumentation

For patient monitoring and diagnostic equipment requiring high accuracy and low noise, the CS5528-ASZR delivers the necessary performance. Its compact SSOP package fits space-constrained medical devices.

Environmental Monitoring

Multiple channels can monitor temperature, humidity, and pressure simultaneously. The wide operating temperature range supports outdoor and industrial sensing nodes.

Q: What type of ADC is the CS5528-ASZR?
A: It is a 24-bit delta-sigma analog-to-digital converter with an integrated MUX-ADC architecture.
Q: What is the resolution of the CS5528-ASZR?
A: The resolution is 24 bits, providing high-precision measurement capability.
Q: What is the sampling rate of the CS5528-ASZR?
A: The sampling rate is 617 SPS (samples per second).
Q: How many input channels does the CS5528-ASZR have?
A: It features 8 multiplexed input channels.
Q: What digital interface does the CS5528-ASZR use?
A: It uses a standard SPI serial interface for communication.
Q: What package is the CS5528-ASZR available in?
A: It comes in a 24-SSOP (0.209", 5.30mm Width) package.
Base Product Number : CS5528
24-bit 617 SPS 8-channel ADC Analog-to-Digital Converter Cirrus Logic CS5528 MUX-ADC SPI SSOP-24
Q: What type of ADC is the CS5528-ASZR?
A: It is a 24-bit delta-sigma analog-to-digital converter with an integrated MUX-ADC architecture.
Q: What is the resolution of the CS5528-ASZR?
A: The resolution is 24 bits, providing high-precision measurement capability.
Q: What is the sampling rate of the CS5528-ASZR?
A: The sampling rate is 617 SPS (samples per second).
Q: How many input channels does the CS5528-ASZR have?
A: It features 8 multiplexed input channels.
Q: What digital interface does the CS5528-ASZR use?
A: It uses a standard SPI serial interface for communication.
Q: What package is the CS5528-ASZR available in?
A: It comes in a 24-SSOP (0.209", 5.30mm Width) package.