Cirrus Logic

CS5571-ISZR

CS5571-ISZR Description

The CS5571-ISZR is a high-performance, 16-bit sigma-delta analog-to-digital converter (ADC) designed for precision data acquisition applications. Manufactured by Cirrus Logic Inc., this IC offers a robust set of features tailored for demanding measurement and control systems. The CS5571-ISZR is housed in a 24-lead SSOP package, making it suitable for surface-mount applications.

CS5571-ISZR Features

• Configuration: The CS5571-ISZR is configured as an ADC, providing a single 16-bit sigma-delta converter with a sampling rate of 100 kHz. This high sampling rate ensures precise and rapid data acquisition.
• Data Interface: The device interfaces with systems via the SPI protocol, facilitating seamless communication with microcontrollers and other digital systems.
• Voltage Specifications: The CS5571-ISZR operates with an analog supply voltage range of ±2.375V to ±2.625V and 5V, and a digital supply voltage range of 1.8V to 3.3V. This wide voltage range enhances its compatibility with various power supply configurations.
• Input Type: The ADC features a differential input type, which helps in reducing noise and common-mode interference, ensuring high signal integrity.
• External Reference: The device requires an external reference, allowing for precise calibration and stable performance across varying operating conditions.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the CS5571-ISZR is suitable for applications requiring moderate moisture resistance.
• Obsolete Status: While the product is marked as obsolete, it remains a reliable choice for existing systems and legacy designs.
• Compliance: The CS5571-ISZR is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

CS5571-ISZR Applications

The CS5571-ISZR is ideal for a variety of applications that demand high precision and reliability in data acquisition. Key use cases include:

• Industrial Automation: The high sampling rate and precision make it suitable for real-time monitoring and control systems in industrial environments.
• Medical Equipment: The device's differential input and high resolution are beneficial for medical instrumentation requiring accurate signal processing.
• Environmental Monitoring: The CS5571-ISZR's ability to handle analog signals with high precision makes it suitable for sensors measuring environmental parameters such as temperature, pressure, and humidity.
• Precision Measurement Instruments: Its 16-bit resolution and differential input type are advantageous for high-precision measurement tools and laboratory equipment.

Conclusion of CS5571-ISZR

The CS5571-ISZR from Cirrus Logic Inc. stands out in the realm of data acquisition ICs due to its combination of high resolution, robust performance, and versatile voltage specifications. Despite being marked as obsolete, it remains a reliable choice for applications requiring precision and reliability. Its differential input type and external reference ensure high signal integrity and stable performance, making it an ideal component for industrial, medical, and environmental monitoring systems. For engineers and designers working on legacy systems or seeking a proven ADC solution, the CS5571-ISZR offers a compelling balance of performance and compatibility.