TS1872AIN

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The TS1872AIN is a low noise and low power operational amplifier. It has low offset voltage, low quiescent current, and low output impedance. It is a rail-to-rail input/output amplifier and its gain is adjustable from 5mV/V to 2V/V by adjusting the on-chip resistor ratio. The TS1872AIN has many applications in automotive, instrumentation, medical, and audio circuits.

Application Field

The TS1872AIN is a versatile amplifier suitable for a wide range of applications. It is mainly used in Automotive, Instrumentation, Medical and Audio circuits. In automotive applications, it is used in active filters, power supplies, and regulated power supplies, where there are varying power levels and unexpected power losses. In instrumentation applications, it is used for precision data acquisition, where low noise and low power are important requirements. In medical applications, it is used for medical instrumentation, where accuracy is crucial. In audio applications, it is used in applications like audio power amplifiers, where high voltage and power levels are needed.

Working Principle

The TS1872AIN is an Operational Amplifier (Op-Amp). It is an integrated circuit that amplifies input signals and produces an output signal that is proportional to the input signal. It is composed of an input stage and an output stage, each with its own high-gain amplifier. The input stage amplifies the input signal, and the output stage amplifies the output of the input stage. The output stage is connected to the output pin, and it is responsible for producing the actual output signal.

In the case of TS1872AIN, the input signals are differential and the output signals can be rail-to-rail. The input configuration of the TS1872AIN consists of a non-inverting input, an inverting input, and a common-mode input. The non-inverting input is used to provide the input signal that will be amplified. The inverting input is used to adjust the gain of the amplifier. The common-mode input is the bias voltage that sets the quiescent current for the amplifier.

When a signal is applied to the non-inverting input of the TS1872AIN, it is amplified by the input stage and then passed on to the output stage. The output stage amplifies the signal to the desired level and then passes it to the output pin. The purpose of the inverting input is to adjust the gain and offset the output. The gain of the amplifier can be adjusted by changing the ratio of the two on-chip resistors. The quiescent current of the amplifier can be adjusted by varying the common-mode input.

Conclusion

The TS1872AIN is a versatile low noise and low power operational amplifier suitable for a wide range of applications. It is mainly used in automotive, instrumental, medical, and audio circuits, where accuracy, low noise, and low power are important requirements. The input and output of TS1872AIN can both be rail-to-rail and the gain can be adjusted by changing the ratio of two on-chip resistors. This makes the amplifier extremely versatile.

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