TSU111ICT

Instrumentation, Op Amps, Buffer Amps Overview

The TSU111ICT is a single-channel CMOS operational amplifier from STMicroelectronics, designed for ultra-low-power applications. It features a supply voltage range of 1.5 V to 5.5 V and consumes 900 nA typical current at 3.3 V. Key electrical parameters include a maximum input offset voltage of 150 µV at 25 °C and a gain-bandwidth product of 11.5 kHz. The device offers rail-to-rail input and output capabilities with an input bias current of 10 pA max. It operates within a temperature range of -40 °C to 85 °C and is housed in a compact SC-70-5 surface-mount package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Ultra-low power consumption enables extended battery life in portable devices
• High accuracy with low offset voltage eliminates the need for calibration
• Rail-to-rail input and output maximize dynamic signal range
• Robust electrostatic discharge tolerance ensures reliability

Instrumentation, Op Amps, Buffer Amps Applications

• Sensor signal conditioning
• Battery-powered portable equipment
• Wireless home carbon monoxide detectors

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix 'ICT' corresponds to the SC-70-5 package and tape-and-reel delivery format as defined by STMicroelectronics. Confirm that the component meets RoHS compliance standards required for your target market. Ensure design compatibility with the specified 1.5 V to 5.5 V supply voltage range before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when designing circuits requiring minimal quiescent current alongside high precision. The 11.5 kHz bandwidth suits low-frequency signal processing tasks. Consider the SC-70-5 footprint for space-constrained layouts. Validate that the 150 µV offset voltage specification aligns with the system's accuracy requirements without additional trimming.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the TSU11x series of nanopower high-accuracy CMOS operational amplifiers. The series includes dual (TSU112) and quad (TSU114) variants sharing similar electrical characteristics. These devices are engineered to replace higher-power alternatives in battery-operated systems while maintaining signal integrity through low noise and high input impedance specifications.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct substitutes within the same family include TSU112ICT and TSU114ICT for multi-channel requirements. Verify pinout compatibility and electrical parameter equivalence when considering cross-series replacements from other manufacturers.