TLV4112IDG4

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The TLV4112IDG4 is a low noise, low power, ultra low-voltage, instrumentation amplifier designed to meet the needs of today’s portable and battery-powered applications. With the use of a single power supply, this part offers a wide common mode input voltage range, low gain drift, low offsets and high common mode rejection ratio. This amplifier operates over a temperature range of 0°C to 70°C and also features a low noise level of 1 µVp-p.

This device is ideal for medical and industrial applications where tight, low-offset accuracy and low temperature cycle-cycle gain drift are important. It is also well suited for use in instrumentations and other applications requiring accurate amplification of low-level signals. With its low current consumption, the TLV4112IDG4 is also a great choice for portable battery-powered applications.

Application Field

The TLV4112IDG4 is a versatile instrumentation amplifier suitable for many industry applications. It can be used in medical instruments, automotive instruments, industrial process control systems, audio applications, portable data acquisition and other application fields. The device features excellent CMRR and low-noise characteristics, and is capable of handling AC and DC inputs signals.

Working Principle

The TLV4112IDG4 is a low power and low noise instrumentation amplifier. Its operation is based on the use of two differential input amplifiers. This amplifier has an input offset voltage of 1 µV and a low input bias current of 1 nA. Its input common mode range extends from ground to the power supply depending on the supply voltage and power supply design, thus making the device suitable for a wide variety of application fields.

The TLV4112IDG4 has a high common mode rejection ratio (CMRR) of 95 dB at 1 kHz and a unity gain bandwidth of 2.5 MHz. This device is stable when operated in a gain larger than 10 and can drive a variety of loads. It has an output noise of 1 µVp-p and is protected against over-current conditions and reversed power supplies.

The TLV4112IDG4 is ideal for applications requiring extremely low power and low noise performance. It is designed to handle a variety of signal types, including AC and DC signals, and its range of features allows it to fit almost any application requiring accurate amplification of low-level signals.

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