TLE2142IDG4

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TLE2142IDG4 is a part of the linear Amplifiers, Instrumentation, OP Amps and Buffer Amps family of components. It is a monolithic integrated circuit, featuring high gain and high slew rate operational amplifiers.

The device consists of two branches with local compensation. The device is electrically similar to the TLE2141IDG4, but has higher Gain Bandwidth Product, Slew Rate, and Output Current capabilities. Its specs include a Maximum Operating Supply Voltage of +/– 15V, Supply Current of 30mA/amplifier and a Maximum Output Voltage Swing of 15V/10mA.

TLE2142IDG4 has a typical gain bandwidth product of 10MHz and a typical slew rate of 8V/µs. It is designed for low distortion and low noise operation, primarily for use in the operative and filter stages of AC-coupled amplifier circuits. It offers good behavior over extended temperature ranges.

The most common application areas for this component are in precision DC amplifiers for transducers, signal conditioners, linear actuators and precision log amplifiers. Other fields of applications include instrumentation amplifiers, motor control, and high-accuracy thermometry.

Typical application circuit of TLE2141IDG4 includes an amplifier with unity gain, an integrator circuit, an amplifier with a gain of two, a non-inverting amplifier with a gain of three, an inverting amplifier with a gain of four, and a voltage follower. For most of these circuits, a single power supply is used and Vcc is typically set to 15V.

The principle of operation behind the TLE2142IDG4 part is based on current-mode control. It eliminates the need for an external error amplifier and simplifies control design. It also allows fast control loops, reliable performance and wide voltage range. The current sources that control it will typically be fed from a voltage source, which consists of two resistors and a precision voltage source. It is designed for a wide range of applications, including sensitive AC and DC measurements, low-level current sensing, voltage sensing, sine/cosine wave generation and automotive electronics testing.

Having a high gain, large bandwidth and high slew rate, the TLE2142IDG4 is a powerful, versatile component for instrumentation, communication, vibration, and motion control applications. Its high slew rate and excellent gain, combined with a low power consumption, make it attractive for many use cases, including precision current sensing, precision voltage sensing, wide dynamic range DACs, and high-speed precision op-amps.

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