TLC27M2BCDR

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The TLC27M2BCDR is an instrumentation amplifier which enables the user to achieve high accuracy measurement. It is categorized under Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps.

The primary application field for TLC27M2BCDR instrumentation amplifiers is for precision, low-level measurement and control of high-impedance transducers. Examples of devices that can be used with this amplifier include voltage or resistance transducers or transducers that are electrically isolated from the system. This type of amplifier is also used for precision AC or DC measurements.

The TLC27M2BCDR amplifier is a dual differential op-amp with an adjustable gain and a common-mode rejection ratio (CMRR) that is measured in dB. It has a high accuracy rating, boasting a typical CMRR of 80dB and a wide common mode input voltage range of -45V to +45V.

The TLC27M2BCDR has a single-ended output voltage swing of up to 5Volt and is capable of delivering a continuous current of up to 10mA. Additionally, the device is capable of delivering up to 40V/us slew rate and a frequency response of up to 1MHz.

The working principle of the TLC27M2BCDR instrumentation amplifier is based on a cascoded amplifier topology. The device is composed of a differential input stage, an intermediate-gain stage, an output stage and a feedback loop.

The differential input stage consists of two chains of transistors, connected in series such that the outputs of the two chains are complementary: one for positive input signals and the other for negative input signals. The output of the differential input stage is connected directly to the intermediate-gain stage.

The intermediate-gain stage is composed of a operational amplifier which amplifies the difference between the outputs of the differential input stage. This gain is determined by the feedback loop and is adjustable to enable precise control of the output characteristic.

The output stage is composed of two chains of transistors connected in series. The two chains are connected to the outputs of the intermediate-gain stage. The output voltage of the final stage is determined by the voltages of the two inputs to the two chains.

The feedback loop allows precise control of the gain of the amplifier. The feedback loop is composed of an adjustable resistor, which is connected to the output of the differential input stage, and a reference voltage, which is connected to the negative terminal of the amplifier.

By adjusting the feedback loop, the voltage at the terminal of the resistor will vary, and this will result in a variation in the output of the amplifier. This enables precise control of the gain of the amplifier, thereby enabling adjustment of the output characteristics of the amplifier.

To sum up, the TLC27M2BCDR instrumentation amplifier is an ideal device for precision, low-level measurement and control of high-impedance transducers. It is composed of a differential input stage, an intermediate-gain stage, an output stage and a feedback loop, which enables precise control of the output characteristics of the amplifier.

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