TSZ124IPT

Instrumentation, Op Amps, Buffer Amps Overview

The TSZ124IPT is a quad zero-drift operational amplifier manufactured by STMicroelectronics, housed in a 14-TSSOP surface-mount package. It features rail-to-rail input and output capabilities with a gain bandwidth product of 400 kHz and a slew rate of 0.19V/µs. The device operates on a supply voltage range of 1.8 V to 5.5 V, consuming a maximum supply current of 31 µA for all four channels at 5 V. Key electrical specifications include an input offset voltage of 1 µV, an input bias current of 70 pA, and an output drive capability of 18 mA per channel. It is qualified for automotive applications under AEC-Q100 standards and supports an extended operating temperature range from -40°C to 125°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Zero-drift architecture ensures high accuracy and stability with minimal offset voltage drift over temperature variations.
• Rail-to-rail input and output stages maximize dynamic signal range within the supply voltage limits.
• Ultra-low power consumption enables efficient operation in battery-powered and portable systems.
• Automotive qualification (AEC-Q100) provides reliability for harsh industrial and vehicle environments.

Instrumentation, Op Amps, Buffer Amps Applications

• Sensor interface circuits requiring high precision and low noise
• Battery-powered portable electronic devices
• Automotive instrumentation and control systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific ordering suffix against official STMicroelectronics documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the 14-TSSOP footprint matches your PCB layout requirements. Check for any recent production change notices or lifecycle status updates directly from the manufacturer before finalizing procurement plans.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when designing circuits that demand ultra-low offset voltage and near-zero drift without sacrificing power efficiency. It is suitable for replacing standard precision amplifiers in applications where long-term stability and low quiescent current are critical constraints. Ensure the 400 kHz bandwidth meets the signal processing speed requirements of the target application.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the TSZ12x series of ultra-precision operational amplifiers from STMicroelectronics. The series includes single (TSZ121), dual (TSZ122), and quad (TSZ124) configurations sharing compatible pinouts. These devices are engineered for high-performance analog signal conditioning, combining CMOS technology benefits with advanced chopper stabilization techniques to achieve exceptional DC accuracy.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct functional substitutes within the same family include TSZ121 and TSZ122, though channel counts differ. Verify pinout compatibility and electrical parameter margins against original design specifications when considering alternative manufacturers' zero-drift amplifiers.

Instrumentation, Op Amps, Buffer Amps FAQ

What is the maximum input offset voltage specified for the TSZ124IPT?

The maximum input offset voltage is 1 µV at 25 °C, ensuring high DC accuracy for precision applications.

Is the TSZ124IPT suitable for automotive applications?

Yes, the device is AEC-Q100 qualified and rated for an extended operating temperature range of -40°C to 125°C, making it suitable for automotive environments.

How does the TSZ124IPT handle input and output signal swings?

It features rail-to-rail input and output capabilities, allowing signals to swing close to both the positive and negative supply rails.