STMicroelectronics Operational Amplifier 11.5 kHz Gain Bandwidth 6-Pin DFN 5.5V TSU111IQ1T

STMicroelectronics TSU111IQ1T Operational Amplifier is designed for high accuracy signal conditioning in portable and battery-operated applications. Featuring a gain bandwidth product of 11.5 kHz and extremely low offset voltage of 150 μV maximum at 25 °C, this single-channel amplifier delivers precise amplification with minimal power consumption.

Operating from a low supply voltage range of 1.5 to 5.5 volts, it features rail-to-rail inputs and outputs suitable for modern low-voltage circuits. Its typical supply current is only 900 nA at room temperature, making it ideal for sensor interfaces that require ultra-low power consumption.

The TSU111IQ1T offers low input bias current of 10 pA max at 25 °C and low noise performance of 3.6 μV peak-to-peak within 0.1 to 10 Hz bandwidth supporting sensitive measurement systems. It can provide up to 45 mA output current ensuring compatibility with a variety of loads.

Built in a compact 6-pin DFN package with a footprint of 1.2 mm by 1.3 mm and a height of just 0.36 mm, this device is well suited for space-constrained designs. It maintains strict operational stability across a temperature range from -40 °C to 85 °C with high ESD tolerance rated at 4 kV Human Body Model for robust industrial and commercial environments.

Typical use cases include sensor signal conditioning, battery-powered devices, portable instrumentation, and precision analog signal processing applications in industrial, laboratory, and commercial electronics contexts.

The device operates with a supply voltage range from 1.5 V to 5.5 V. It features a maximum offset voltage of 150 μV at 25 °C. The low input bias current is typically 10 pA at 25 °C. Submicro ampere current consumption is 900 nA typical at 25 °C, making it suitable for battery-powered applications.

The gain bandwidth product is 11.5 kHz typical for accurate signal conditioning. Output current capability is up to 45 mA with rail-to-rail input and output stages. Low noise performance of 3.6 μV peak-to-peak over 0.1 to 10 Hz bandwidth ensures signal fidelity.

The device is qualified to operate over a temperature range from -40 °C to 85 °C. It possesses high tolerance to electrostatic discharge of 4 kV Human Body Model. The compact 6-pin DFN package measures 1.2 mm length, 1.3 mm width, and 0.36 mm height.

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