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TSM982ESA+T

TSM982ESA+T Description

The TSM982ESA+T is a high-performance linear IC comparator from Silicon Labs, featuring a voltage reference and designed for surface-mount applications. This device is part of the TSM98x series and is housed in an 8SOIC package, making it suitable for compact and efficient electronic designs. Despite being marked as obsolete, the TSM982ESA+T remains a robust choice for applications requiring precise voltage comparison and reference.

TSM982ESA+T Features

• High CMRR and PSRR: The TSM982ESA+T boasts a typical CMRR (Common-Mode Rejection Ratio) and PSRR (Power Supply Rejection Ratio) of 80dB, ensuring high accuracy and stability in voltage comparison, even in the presence of noise and power supply variations.
• Low Propagation Delay: With a maximum propagation delay of 12µs, this comparator offers fast response times, making it ideal for applications requiring rapid decision-making based on voltage levels.
• Low Input Bias Current: The maximum input bias current of 0.005µA at 2.5V ensures minimal loading effects on the input signals, maintaining signal integrity and accuracy.
• Low Quiescent Current: Consuming a maximum of 6µA, the TSM982ESA+T is highly energy-efficient, making it suitable for battery-powered and low-power applications.
• Wide Supply Voltage Range: The comparator operates from a single supply of 2.5V to 11V or dual supplies of ±1.25V to ±5.5V, providing flexibility in power supply options.
• Built-in Voltage Reference: The inclusion of a voltage reference enhances the accuracy and reliability of voltage comparisons, making the TSM982ESA+T a versatile choice for precision applications.
• Hysteresis: The comparator features a hysteresis of 50mV, which helps in preventing oscillations and ensuring stable output transitions.
• Surface Mount Packaging: The surface-mount package type facilitates easy integration into modern PCB designs, ensuring reliable mechanical and electrical connections.

TSM982ESA+T Applications

The TSM982ESA+T is well-suited for a variety of applications where precise voltage comparison and reference are critical. Some specific use cases include:

• Battery Management Systems: The low quiescent current and wide supply voltage range make it ideal for monitoring and managing battery voltages in portable devices.
• Signal Processing: The high CMRR and PSRR ensure accurate signal processing in noisy environments, making it suitable for industrial control systems and instrumentation.
• Power Supply Monitoring: The built-in voltage reference and low input bias current make it a reliable choice for monitoring power supply voltages and ensuring they remain within specified limits.
• Automotive Electronics: The robustness and wide operating voltage range make it suitable for automotive applications where voltage levels can vary significantly.

Conclusion of TSM982ESA+T

The TSM982ESA+T from Silicon Labs is a high-performance comparator with a built-in voltage reference, offering a combination of precision, speed, and energy efficiency. Despite its obsolete status, its unique features such as high CMRR and PSRR, low propagation delay, and low quiescent current make it a compelling choice for applications requiring reliable voltage comparison. Its surface-mount package and wide supply voltage range further enhance its versatility and ease of integration. For designers seeking a reliable and precise comparator, the TSM982ESA+T remains a viable option, especially in applications where its specific attributes can be leveraged to their full potential.