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MAX921CSA-TG077

MAX921CSA-TG077 Description

The MAX921CSA-TG077 is a high-performance linear comparator with a voltage reference, designed by Analog Devices Inc./Maxim Integrated. This IC features a robust set of specifications that make it suitable for a wide range of applications. It operates within a supply voltage range of 2.5V to 11V for single supply and ±1.25V to ±5.5V for dual supply, ensuring flexibility in various power configurations. The comparator offers a maximum input offset voltage of 10mV at 5V, ensuring precise comparisons. With a propagation delay of up to 12µs, it provides fast response times, making it ideal for applications requiring rapid decision-making.

MAX921CSA-TG077 Features

• High CMRR and PSRR: The MAX921CSA-TG077 boasts a typical CMRR and PSRR of 80dB, ensuring high immunity to noise and power supply variations.
• Output Type: It supports both CMOS and TTL output types, providing compatibility with a wide range of digital systems.
• Low Quiescent Current: With a maximum quiescent current of 5µA, this comparator is highly energy-efficient, making it suitable for battery-powered and low-power applications.
• Hysteresis: The built-in hysteresis of 50mV helps in stabilizing the output in noisy environments, preventing false triggering.
• High Output Current: Capable of sourcing up to 50mA, it can drive various loads without the need for additional buffering.
• Operating Temperature Range: It operates reliably within a temperature range of 0°C to 70°C, making it suitable for industrial and consumer applications.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), it is highly resistant to moisture, ensuring reliability in humid environments.
• Compliance: The MAX921CSA-TG077 is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards.
• Packaging: Available in a Tape & Reel (TR) package, it is suitable for automated surface-mount assembly processes.

MAX921CSA-TG077 Applications

The MAX921CSA-TG077 is ideal for applications requiring precise voltage level detection and fast response times. Some specific use cases include:

• Battery Management Systems: Its low quiescent current and wide operating voltage range make it suitable for monitoring battery levels in portable devices.
• Signal Processing: The high CMRR and PSRR ensure accurate signal comparison in noisy environments, making it ideal for industrial control systems.
• Power Supply Monitoring: The comparator can be used to monitor power supply voltages, ensuring they remain within specified limits.
• Automotive Applications: Its robustness and wide operating temperature range make it suitable for automotive electronic systems.
• Consumer Electronics: The MAX921CSA-TG077 can be used in various consumer electronics for voltage monitoring and control.

Conclusion of MAX921CSA-TG077

The MAX921CSA-TG077 is a versatile linear comparator with a voltage reference, offering a combination of high performance and energy efficiency. Its wide operating voltage range, low quiescent current, and high CMRR and PSRR make it a reliable choice for a variety of applications. Despite being marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for engineers and designers in the electronics industry.