Cirrus Logic

CS5451A-ISZR

CS5451A-ISZR Description

The CS5451A-ISZR is a high-performance, sigma-delta analog-to-digital converter (ADC) designed by Cirrus Logic Inc., a leading manufacturer in the electronics industry. This IC is part of the Data Acquisition ICs category and is housed in a 28-lead surface mount package, specifically in a Tape & Reel (TR) format. The CS5451A-ISZR features a single ADC with six differential inputs, making it suitable for a variety of precision measurement applications. It operates within a supply voltage range of 2.7V to 3.3V for both analog and digital supplies, ensuring compatibility with a wide range of systems.

This device is equipped with an internal reference, which enhances its accuracy and reliability in various operating conditions. The CS5451A-ISZR also supports simultaneous sampling, a feature that is critical for applications requiring precise synchronization of multiple input signals. The data interface is SPI, facilitating easy integration with microcontrollers and other digital systems. Despite being marked as obsolete, the CS5451A-ISZR remains a robust choice for legacy systems and specific applications where its features are still highly valued.

CS5451A-ISZR Features

The CS5451A-ISZR stands out due to its comprehensive set of features tailored for precision data acquisition:

• Configuration: The device is configured as a single ADC, ensuring focused and efficient signal processing.
• Number of A/D Converters: With one ADC, the CS5451A-ISZR provides dedicated conversion for each input channel.
• Data Interface: The SPI interface allows for straightforward communication with digital systems, simplifying integration into existing setups.
• Voltage - Supply, Analog and Digital: The wide supply voltage range of 2.7V to 3.3V for both analog and digital supplies ensures flexibility and compatibility with different power sources.
• Number of Inputs: Six differential inputs enable the simultaneous processing of multiple signals, enhancing the device's versatility.
• Features: Simultaneous sampling is a key feature, allowing for accurate and synchronized data acquisition across all input channels.
• Input Type: Differential inputs provide high common-mode rejection, improving signal integrity and reducing noise.
• Reference Type: An internal reference ensures consistent performance across varying operating conditions.
• Moisture Sensitivity Level (MSL): Rated at MSL 2 (1 Year), the device is suitable for a range of manufacturing environments.
• RoHS Status: The CS5451A-ISZR is RoHS compliant, adhering to environmental standards and regulations.
• REACH Status: It is REACH unaffected, ensuring compliance with chemical safety regulations.
• Mounting Type: Surface mount technology (SMT) facilitates easy installation and integration into compact designs.
• Package: The Tape & Reel (TR) packaging format is ideal for automated assembly processes.

CS5451A-ISZR Applications

The CS5451A-ISZR is well-suited for a variety of applications that demand high precision and reliable data acquisition:

• Energy Metering: Ideal for single-phase energy meters, the CS5451A-ISZR provides accurate measurement of voltage, current, and power consumption.
• Industrial Control: In industrial environments, the device can be used for monitoring and controlling various parameters such as temperature, pressure, and flow rates.
• Medical Equipment: For medical devices requiring precise signal processing, such as patient monitors and diagnostic equipment, the CS5451A-ISZR offers reliable performance.
• Environmental Monitoring: The device can be employed in weather stations and environmental monitoring systems to capture and process data from multiple sensors.
• Automotive Systems: In automotive applications, the CS5451A-ISZR can be used for sensor data acquisition, contributing to enhanced vehicle performance and safety.

Conclusion of CS5451A-ISZR

The CS5451A-ISZR is a versatile and reliable ADC designed for precision data acquisition in various applications. Its unique features, such as simultaneous sampling and differential inputs, provide significant advantages over similar models. Despite being marked as obsolete, the device remains a valuable option for legacy systems and specific applications where its capabilities are still highly relevant. The CS5451A-ISZR's compatibility with a wide range of supply voltages, along with its RoHS and REACH compliance, further solidifies its position as a robust choice in the electronics industry.