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Product attributes Property Value
Manufacturer Cirrus Logic Inc.
Product Series
Packaging Tube |
Number of Bits 16
Sampling Rate (Per Second) 401
Number of Inputs 2
Input Type Differential
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 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CS5521-ASZ is a 16-bit, low-power analog-to-digital converter from Cirrus Logic, designed for high-precision measurement applications. It features 2 input channels and a maximum sampling rate of 401 SPS, making it ideal for digitizing slow-changing signals. The device uses a multiplexed (MUX) architecture and communicates via a standard SPI interface. Housed in a 20-SSOP package, it operates over a temperature range of -40°C to +85°C. This ADC is well-suited for weigh scales, industrial process control, and portable instrumentation where accuracy and low power are critical.

  • High Precision: 16-bit resolution ensures accurate conversion of analog signals, minimizing errors in measurement systems.
  • Low Power Operation: Designed for power-sensitive applications, making it ideal for battery-powered devices.
  • Dual Channel Input: Allows for monitoring two separate signals, increasing system integration.
  • Standard SPI Interface: Ensures easy connectivity with a wide range of microcontrollers and DSPs.
  • Reliable Performance: Operates over an industrial temperature range of -40°C to +85°C.

High-Resolution Weigh Scales

The 16-bit resolution and low noise performance of the CS5521-ASZ make it an excellent choice for precision weigh scales and force measurement systems, ensuring accurate and stable readings.

Industrial Transducer Interfaces

With 2 input channels, this ADC can interface with multiple industrial transducers, such as pressure and flow sensors, providing reliable digital data for process control and monitoring systems.

Portable Measurement Instruments

Its low-power consumption and compact 20-SSOP package make it suitable for battery-powered instruments like digital multimeters and portable data loggers.

Temperature Sensing Systems

When used with thermocouples or RTDs, the high resolution of the CS5521-ASZ enables precise temperature measurement for laboratory, HVAC, and industrial applications.

Data Acquisition Front-Ends

The SPI interface allows for easy integration into data acquisition systems, where accurate digitization of analog signals is required for subsequent analysis and processing.

Q: What type of ADC is the CS5521-ASZ?
A: It is a 16-bit, low-power analog-to-digital converter with a multiplexed (MUX) input architecture.
Q: What is the resolution?
A: The CS5521-ASZ offers 16-bit resolution.
Q: What is the sampling rate?
A: It has a maximum sampling rate of 401 SPS.
Q: How many channels does it have?
A: It features 2 input channels.
Q: What interface does it use?
A: It communicates via the SPI interface.
Q: What is the package type?
A: It comes in a 20-SSOP package and operates from -40°C to +85°C.
Base Product Number : CS5521
16-bit 20-SSOP 401 SPS ADC Analog-to-Digital Converter Cirrus Logic CS5521 MUX-ADC SPI
Q: What type of ADC is the CS5521-ASZ?
A: It is a 16-bit, low-power analog-to-digital converter with a multiplexed (MUX) input architecture.
Q: What is the resolution?
A: The CS5521-ASZ offers 16-bit resolution.
Q: What is the sampling rate?
A: It has a maximum sampling rate of 401 SPS.
Q: How many channels does it have?
A: It features 2 input channels.
Q: What interface does it use?
A: It communicates via the SPI interface.
Q: What is the package type?
A: It comes in a 20-SSOP package and operates from -40°C to +85°C.