TLC082IDG4

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The TLC082IDG4 is an active low-noise, low-power and low-drift CMOS unity gain operative amplifier chip. As a two-channel single supply op-amp, the TLC082IDG4 is designed to control dc operating points, amplify voltage and current signals, provide buffering, and provide the low-level operation needed for audio and consumer electronics applications, as well as data communication circuits. This device is suitable for use in linear-amplifiers, instrumentation, op-amps, and buffer amplifiers.

The TLC082IDG4 features a low noise input stage for maximum stability and a wide input common-mode range of ≥2 V. This device has particularly low noise, –86dBV, at 1kHz and a maximum input-referred noise of 1.75 micro-volts/sqrt(Hz). On the output side it has low distortion, low output current, and a wide output voltage range of 0–VCC. Additionally, it has an output switch that invites operation from ultra-high impedance sources.

The operating temperature of the TLC082IDG4 ranges from -40ºC to 125ºC for the commercial versions, and up to 150ºC for the special versions. Its supply voltage ranges from 3V to 18V and it is available in 8-pin \'D\' packages.

The TLC082IDG4 is a general-purpose unity gain amplifier with an output current of 13 mA. It is designed with a high input impedance of greater than 10GOhms and a low output impedance of 3kOhms, which makes it ideal for buffering applications such as current sensing, low-gain summing, precision amplification and low-noise analog signal conditioning. Its low current drain of -0.8 μA/μA of gain also makes it suitable for battery-powered systems.

The TLC082IDG4\'s working principle centers around its two inputs, leveraging the idea of charge balance to perform its operations. In this device, the gate-to-source voltages of the two transistors used for input causes the current transfer across the junction to be unaffected by the current or voltage mode used for control. This current transfer is regulated through the small differential voltage that controls the gate-to-source voltage. As the differential voltage increases or decreases, the current transfer increases or decreases proportionally.

The TLC082IDG4 is a low-power operational amplifier with a wide range of applications, in both analog and digital systems. Its low cost and superior performance make it an optimal solution for sensing, buffering and current regulation in areas such as automotive, medical, home automation, and industrial automation. Applications include low-leakage current sensing in battery-operated systems, low-noise analog signal conditioning, low-gain summing, inverting and non-inverting amplifiers, audio amplifiers, and sensor instrumentation.

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