TL072IDR

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The TL072IDR is a dual low-noise JFET-input general-purpose operational amplifier, consisting of two independent, high gain, internally frequency compensated amplifiers. It has high input impedance, low noise, and the capability to provide shutdown capabilities with dual control. This makes the TL072IDR suitable for a wide range of applications in the fields of instrumentation, audio, analog-digital converters, and automatic test. It also features low offset (3mV) , high linearity, and excellent gain accuracy.

The TL072IDR can be used as a standalone operational amplifier, a buffer amplifier, or as an amplifier in an instrumentation circuit, especially when low-noise performance is required. It also has an output voltage range from -29V to +29V, which makes it suitable for applications that require high output current or high peak power.

The TL072IDR features two input terminals for each amplifier, and two output terminals for each amplifier, making it a dual, four-terminal device. Each amplifier has a + input and a - input, and each input has an associated biasing and protection circuit to ensure that the amplifier is properly biased and that its operation is protected in case of overload and short circuit.

The working principle of the TL072IDR is based on the interaction between the current and voltage produced by the two amplifier inputs, forming a circuit known as a differential amplifier. The differential amplifier produces a voltage output that is proportional to the difference in voltage between the two input terminals. The amplifier can then be used as an output driver, a signal amplifier, or an attenuator.

The TL072IDR also features a power on/off switch and an external shutdown control pin, allowing the user to control the operation of the amplifier from an external source. The external shutdown control pin can be used to disable both amplifiers in one stroke, or to disable each amplifier individually.

In terms of performance, the TL072IDR has a bandwidth of 300kHz and a slew rate of 35V/μs, both of which are suitable for most applications. It also has an offset voltage of 3mV, which makes it highly accurate and stable over time.

The TL072IDR can be used in a variety of applications, but it is typically found in audio, test, and measurement systems. In audio applications, it can be used as a preamplifier or as a mixer in audio mixing consoles. In test and measurement applications, the TL072IDR can be used as a signal amplifier or buffer, or it can be used to provide a high-resolution signal suitable for use in analog-to-digital converters.

In conclusion, the TL072IDR is a versatile and reliable operational amplifier with a high input impedance, low offset voltage, and excellent gain accuracy. It can be used in a variety of applications, including audio, instrumentation, and test and measurement systems, making it a reliable and essential tool for any engineer.

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