OPA452TA-1G3

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The OPA452TA-1G3 is a high-precision, single-channel, rail-to-rail, FET-input operational amplifier (op amp) suitable for a range of linear applications. The wide supply voltage range, high common-mode input voltage range, and fast settling time make it suitable for use in high-precision instrumentation/process control and medical instrumentation. It is also used as a buffer amplifier and can be used in analog-to-digital converters (ADCs).

The OPA452TA-1G3 is optimized for operation with certain precision-integrated ADCs. It features 0.01% high-precision open-loop gain, 0.0003% non-overload distortion, and 6 ppm/°C temperature drift. Its bandwidth is 110 MHz and its slew rate is 80 V/μs. It can operate from a single supply voltage of –2.7 V to 36 V, or a dual supply voltage of –5.5 V to 22 V. It has a common-mode input voltage range of –11 V to 40 V, and an input voltage noise density at a corner frequency of 1 MHz of 1.4 nV/√Hz. It has a low offset voltage of 1 mV and a very low offset drift of 0.8 μV/°C.

In general, the OPA452TA-1G3 has the following specifications: supply voltage operating range from a single –2.7 V to 36 V or dual –5.5 V to 22 V, supply current of 1.8 mA, offset voltage of 1 mV, input bias current of 25 pA, open-loop gain of 0.01%, CMRR of 120 dB, and slew rate of 80 V/μs. Additionally, the device has an excellent noise performance with a voltage noise density at a corner frequency of 1 MHz of 1.4 nV/√Hz, an output voltage noise of 0.03 μVrms, and a thermal noise density of 500 fA/√Hz.

The OPA452TA-1G3 works on the same basic principles as other op amps, with the exception of its input stage. It uses a FET-input architecture, which gives it a much higher common-mode input voltage range and better power supply rejection ratio (PSRR). Its input stage also allows for rail-to-rail functionality, meaning the output can swing from rail to rail, even under high input voltage ranges. In addition, the FET-input stage has a very high input impedance, making it well-suited for use in high precision instrumentation and process control.

The OPA452TA-1G3 can be used in a wide variety of applications, including instrumentation/process control, medical instrumentation, analog-to-digital converters (ADCs), buffer amplifiers, and electrical engineering design. For example, it can be used with precision-integrated ADCs to convert analog signals to digital. It can also be used as a buffer amplifier to provide high precision input/output interfacing, or as a low-noise, high-speed amplifier for electrical engineering design.

In summary, the OPA452TA-1G3 is an excellent choice for a range of linear applications. It has an excellent noise performance, wide common-mode input voltage range, rail-to-rail capabilities and fast settling times, making it suitable for use in high-precision instrumentation/process control and medical instrumentation. Additionally, its 0.01% precision open-loop gain, 0.0003% non-overload distortion, and 6 ppm/°C temperature drift make it suitable for use in buffer amplifiers and ADCs.

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