OPA354AIDDAG3

Current - Input Bias:	3pA
Base Part Number:	OPA354
Supplier Device Package:	8-SO PowerPad
Package / Case:	8-PowerSOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.5 V ~ 5.5 V, ±1.25 V ~ 2.75 V
Current - Output / Channel:	100mA
Current - Supply:	4.9mA
Voltage - Input Offset:	2mV
Series:	--
-3db Bandwidth:	250MHz
Gain Bandwidth Product:	100MHz
Slew Rate:	150 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	Voltage Feedback
Part Status:	Active
Packaging:	Tube

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Introduction
OPA354AIDDAG3 is a high-performance, low-noise linear instrumentation amplifier from Texas Instruments. The amplifier is designed to provide exceptionally high gain accuracy and excellent common-mode rejection. It is capable of achieving a wide output voltage range with low offset voltage and low noise and distortion. The amplifier can be used in a wide range of applications, including temperature measurement, medical instrumentation, data acquisition, precision industrial controls, and instrumentation amplifiers.

Applications
The OPA354AIDDAG3 is a low-noise and low-distortion, linear instrumentation amplifier with excellent gain accuracy. The amplifier is ideal for use in a wide range of applications, including thermocouple measurements, tilt and motion sensing, medical monitoring and instrumentation, audio amplifiers, transducers, and temperature measurement. The amplifier’s high gain accuracy, low offset voltage, and low distortion make it an ideal choice for high accuracy and reliable applications. The device is also suitable for use in automotive applications, such as engine management or driver assistance systems.

Features
The OPA354AIDDAG3 is a low-noise, low-distortion, high-speed, low-power linear instrumentation amplifier. The OPA354AIDDAG3 is designed to achieve an output voltage range of ±2.2V, a single-supply range of 4.5V to 16V, a low offset voltage of 10 µV, a high gain accuracy of ±0.25% max, and a low-noise floor of only -124dBV at 1kHz. The amplifier features a wide frequency range and is able to achieve a gain of up to 99dB. The amplifier can also provide a peak output current of 3.2mA and a power dissipation of 200 mW maximum.

Working Principle
The OPA354AIDDAG3 is a three-stage, linear instrumentation amplifier. It uses two differential inputs and a common mode input to reduce noise. The input is then amplified and the output is used to reduce distortion. The amplifier provides an output voltage range from - common mode voltage to VDD - common mode voltage.The first stage amplifier is used to convert the input differential signal to a common mode signal. The second stage amplifier is used to amplify the signal and provide a high gain of 99dB while having a high input impedance and linear gain.The third stage buffer amplifier is used to provide a low input impedance and low output impedance. The buffer amplifier also provides additional gain by providing better slewing for the signal. The overall result is a low noise, low distortion amplifier that is capable of achieving a wide range of output voltage levels with high accuracy.

Conclusion
The OPA354AIDDAG3 is a high-performance, low-noise, linear instrumentation amplifier from Texas Instruments. The amplifier is designed to provide exceptionally high gain accuracy and excellent common-mode rejection. It is capable of achieving a wide output voltage range with low offset voltage and low noise and distortion. The amplifier is ideal for use in a wide variety of applications, including temperature measurement, medical instrumentation, data acquisition, precision industrial controls, and instrumentation amplifiers.

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