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Product attributes Property Value
Manufacturer Cirrus Logic Inc.
Product Series
Packaging Bulk |
Number of Bits 16
Sampling Rate (Per Second) 617
Number of Inputs 4
Input Type Differential
Data Interface SPI
Configuration MUX-S/H-ADC
Ratio - S/H:ADC 1:1
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 4.75V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 5.25V
Features Selectable Address
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Grade -
Qualification -
Package / Case 20-DIP (0.300", 7.62mm)
Supplier Device Package 20-PDIP

The CS5521-AP from Cirrus Logic is a high-precision 16-bit analog-to-digital converter designed for demanding measurement applications. With a sampling rate of 617 SPS and 4 multiplexed input channels, it efficiently handles multiple analog signals. The SPI interface ensures easy integration with microcontrollers and digital systems. Its MUX-S/H-ADC architecture provides reliable signal conditioning. Operating over a temperature range of -40°C to 85°C, it is suitable for industrial environments. The 20-DIP package allows for straightforward prototyping and through-hole assembly.

  • High Resolution: 16-bit resolution provides fine granularity for precise measurements in industrial and scientific applications.
  • Multi-Channel Input: 4 multiplexed channels reduce component count and board space in multi-sensor systems.
  • SPI Interface: Standard serial interface simplifies connection to microcontrollers and DSPs.
  • Wide Temperature Range: -40°C to 85°C operation ensures reliability in harsh environments.
  • Through-Hole Package: 20-DIP package is easy to handle and solder for prototyping and low-volume production.

Precision Sensor Signal Digitization

The 16-bit resolution and 617 SPS sampling rate make the CS5521-AP ideal for digitizing slow-varying sensor signals such as temperature, pressure, and strain gauge outputs with high accuracy.

Industrial Process Control

With 4 multiplexed input channels and SPI interface, this ADC can monitor multiple analog signals in industrial automation systems, simplifying data acquisition from various transducers.

Data Acquisition Systems

The MUX-S/H-ADC architecture ensures accurate sampling of multiple channels, making it suitable for multi-channel data loggers and portable instrumentation.

Weigh Scale and Load Cell Applications

High resolution and low noise performance enable precise weight measurements in industrial and commercial weighing systems.

Battery-Powered Field Instruments

The low-power operation and SPI interface make the CS5521-AP suitable for remote field instruments that require long battery life.

Laboratory Measurement Equipment

Its accuracy and stability support benchtop multimeters and precision measurement devices used in R&D and calibration labs.

Q: What is the resolution of the CS5521-AP ADC?
A: The CS5521-AP is a 16-bit analog-to-digital converter.
Q: What is the sampling rate of the CS5521-AP?
A: The sampling rate is 617 SPS.
Q: How many input channels does the CS5521-AP have?
A: It features 4 multiplexed input channels.
Q: What interface does the CS5521-AP use?
A: It uses a serial peripheral interface (SPI).
Q: What is the architecture of the CS5521-AP?
A: It uses a MUX-S/H-ADC architecture.
Q: What is the package type for the CS5521-AP?
A: It is available in a 20-DIP (0.300", 7.62mm) package.
Base Product Number : CS5521
16-bit 20-DIP 617 SPS ADC Analog-to-Digital Converter Cirrus Logic CS5521 multi-channel ADC SPI
Q: What is the resolution of the CS5521-AP ADC?
A: The CS5521-AP is a 16-bit analog-to-digital converter.
Q: What is the sampling rate of the CS5521-AP?
A: The sampling rate is 617 SPS.
Q: How many input channels does the CS5521-AP have?
A: It features 4 multiplexed input channels.
Q: What interface does the CS5521-AP use?
A: It uses a serial peripheral interface (SPI).
Q: What is the architecture of the CS5521-AP?
A: It uses a MUX-S/H-ADC architecture.
Q: What is the package type for the CS5521-AP?
A: It is available in a 20-DIP (0.300", 7.62mm) package.