STMicroelectronics

TS921IN

TS921IN Description

The TS921IN is a general-purpose operational amplifier (op-amp) designed by STMicroelectronics, a leading manufacturer of high-quality semiconductor products. This op-amp is housed in a through-hole package, making it suitable for a wide range of applications where robustness and ease of integration are essential. The TS921IN features a supply voltage range from 2.7 V to 12 V, providing flexibility in power supply requirements. It boasts a gain bandwidth product of 4 MHz, which is ideal for applications requiring moderate frequency response. The slew rate of 1.3 V/µs ensures that the amplifier can handle fast signal transitions effectively.

TS921IN Features

• Wide Supply Voltage Range: The TS921IN operates within a supply voltage range of 2.7 V to 12 V, making it suitable for both low-power and higher voltage applications.
• High Gain Bandwidth Product: With a gain bandwidth product of 4 MHz, the TS921IN can handle signals with moderate frequency content, ensuring stable performance across a wide range of frequencies.
• Low Input Bias Current: The input bias current of 15 nA minimizes the loading effect on the input signal source, preserving signal integrity in high-impedance circuits.
• Low Input Offset Voltage: The input offset voltage of 3 mV ensures accurate signal amplification, reducing errors in precision applications.
• High Output Current: The TS921IN can deliver up to 80 mA of output current per channel, making it suitable for driving moderate to high-load applications.
• Compliance and Reliability: The TS921IN is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited storage life under normal conditions.
• Packaging: The TS921IN is available in a tube package, which is ideal for through-hole mounting and integration into various electronic systems.

TS921IN Applications

The TS921IN is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Conditioning: The low input bias current and low input offset voltage make the TS921IN ideal for conditioning weak signals from sensors or transducers, ensuring accurate and reliable signal amplification.
• Audio Amplification: The moderate gain bandwidth product and high output current capability make it suitable for audio applications, providing clear and distortion-free sound reproduction.
• Industrial Control Systems: The wide supply voltage range and high output current allow the TS921IN to be used in various industrial control systems where robustness and reliability are critical.
• Medical Equipment: The low input offset voltage and high precision make it suitable for medical equipment where accurate signal processing is essential.

Conclusion of TS921IN

The TS921IN is a versatile general-purpose operational amplifier that offers a balance of performance and flexibility. Its wide supply voltage range, high gain bandwidth product, and low input bias current make it suitable for a variety of applications, from signal conditioning to audio amplification. Despite being marked as obsolete, the TS921IN remains a reliable choice for engineers and designers looking for a robust and compliant op-amp solution. Its compliance with REACH and RoHS3 standards ensures that it meets environmental and regulatory requirements, making it a responsible choice for modern electronics design.