TLC1078IDR

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TLC1078IDR Application field and Working Principle

The TLC1078IDR is a low-power, single-supply, rail-to-rail operational amplifier. It is a predictable precision current feedback amplifier in the instrumentation, OP Amp, buffer amps field. The TLC1078IDR provides low power consumption, wide bandwidth and low distortion over a wide supply range.

TLC1078IDR benefits from a wide supply range of 2.3V to 16V. The input voltage range extends from ground to the positive rail supply and the output voltage range is from ground to the negative rail supply. For electrolytic and ceramic capacitors, the equivalent input noise voltage is 2.2nV per root hertz and the equivalent input bias current is 2pA.

The maximum open-loop gain is 1.1kHz and the maximum input offset voltage is less than 250mV. The device also has very high slew rate which is 22V/us and a wide dynamic operating range of 13.2dB.

The TLC1078IDR has several advantages. It ensures high gain accuracy with very low distortion and good linearity. The input noise voltage and input bias current are low due to the internal unity gain bandwidth of greater than 80MHz. The TLC1078IDR also provides wide common mode and power supply rejection with a PSRR of more than 80dB.

The TLC1078IDR can be used in a variety of applications that require precision amplification, such as low power audio, switch control and data acquisition. It can also be used in pre-amplifiers, integrators, and chopper circuits for ground-frequency filtering, current sensing, and in applications requiring low offset voltage and low power consumption.

In terms of working principle, the TLC1078IDR utilizes a wide power supply range and a linear input stage to achieve high gain and low distortion. Its internal circuitry includes a high gain and low-noise current feedback loop, input buffer and output buffer, with the help of internal compensation. The high-bandwidth current feedback amplifier provides excellent voltage gain performance with very low distortion. The internal compensation provides stable operation over temperature and supply voltage and eliminates the need for external components. The input buffer and output buffer also ensure that the device is well isolated even in large capacitive load applications.

The TLC1078IDR is a reliable linear amplifier with a variety of impressive performance specs, such as low noise, low distortion, wide power supply range, high gain accuracy and wide common mode and power supply rejection. It is suitable for a variety of precision amplification applications, including low power audio, switch control and data acquisition. Its internal working principle is based on a high-gain and low-noise current feedback loop, input buffer and output buffer, with internal compensation.

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