OPA2704UA

Voltage - Input Offset:	160µV
Base Part Number:	OPA2704
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	4 V ~ 12 V, ±2 V ~ 6 V
Current - Output / Channel:	10mA
Current - Supply:	160µA
Series:	--
Current - Input Bias:	1pA
Gain Bandwidth Product:	3MHz
Slew Rate:	3 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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OPA2704UA Application Field and Working PrincipleThe OPA2704UA is a precision high-speed low-noise instrumentation amplifier designed typically for use in transducers and bridge amplifiers, strain gage, thermocouple, biopotential, and other lowlevel sensing applications. It has very low drift over temperature and excellent common-mode rejection ratio to eliminate input bias currents while providing additional gain accuracy. The OPA2704UA is designed with a wide bandwidth and fast settling time, making it suitable for use in data acquisition and process control circuits.The OPA2704UA is a monolithic integrated circuit that features a low noise, low distortion, high output voltage, wide common-mode range, and high slew rate. It combines a very low noise input stage, a differential amplifier stage, and a wide-bandwidth output stage into a single device. It is designed to minimise offset voltage, drift, noise and power supply sensitivity, as well as linearity.The OPA2704UA has excellent bandwidth and gain accuracy over temperature and power supply variations, making it ideal for high-precision instrumentation and control applications. It can be used in a variety of applications, including high speed data acquisition, medical instruments, and audio systems where clean audio signals are required.The OPA2704UA comprises of a differential input stage and an output stage. The input stage consists of two operational amplifiers (op-amps) and two precision resistors. The amplifiers are supplied with an appropriate bias voltage which is generated by an onboard voltage regulator. The two input signals, which may be sourced externally or generated by an onboard oscillator, are then buffered by the two op-amps. The output stage consists of a Class A amplifier with low distortion, high gain and fast settling time.In practice, these input and output stages are used together to amplify a differential input signal, while maintaining excellent performance over temperature and power supply changes. It can be used in applications from industrial process control, to medical instruments and audio systems, where clean audio signals are required.The OPA2704UA is offered in a DIP-8 package, with a current capability of up to 25mA. It has a supply voltage range of 3V to 10V and a maximum output voltage of 12V. The OPA2704UA has an excellent dynamic response, making it suitable for high speed data acquisition applications. It also has a very low offset voltage, resulting in excellent dynamic linearity.Overall, the OPA2704UA is a high-precision, low-noise instrumentation amplifier designed for a variety of applications. It offers exceptional performance over temperature and power supply fluctuations, making it suitable for demanding sensing applications. With its wide bandwidth, fast settling time and high slew rate, the OPA2704UA is a great solution for today’s data acquisition, process control, and audio systems.

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