OPA551FAKTWT Integrated Circuits (ICs)

Voltage - Input Offset:	1mV
Base Part Number:	OPA551
Supplier Device Package:	DDPAK/TO-263-7
Package / Case:	TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	8 V ~ 60 V, ±4 V ~ 30 V
Current - Output / Channel:	200mA
Current - Supply:	7mA
Series:	--
Current - Input Bias:	20pA
Gain Bandwidth Product:	3MHz
Slew Rate:	15 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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OPA551FAKTWT Application Field and Working Principle

The OPA551FAKTWT is a linear-instrumentation amplifier that is used in a broad range of applications where low-noise, low-distortion, and high accuracy performance is needed. This amplifier can be used in data acquisition, active filters, and remote instrumentation systems. It is an ideal solution for most high-accuracy applications requiring an isolated output, such as strain gage bridge amplifiers and weigh scales.

Description

The OPA551FAKTWT is a single-supply, low-noise, high-accuracy, high-speed instrumentation amplifier. It can be configured as a unity gain buffer, differential amplifier, or low-pass filter. The OPA551FAKTWT has excellent CMRR and low noise performance and can be used in any system application requiring a low-noise, low-distortion performance. It incorporates several hard-to-find features in one package, including an output enable/disable control, a Shutdown mode, a power-on reset, and an auxiliary power supply pin. The amplifier is designed for applications that require high accuracy and low distortion.

Applications

The OPA551FAKTWT is suitable for a wide range of applications, including industrial and consumer electronics, medical applications, instrumentation, and test and measurement applications. Some of its applications include:* Data acquisition systems* Active filters* Differential amplifiers* Strain gage bridge amplifiers* Weigh scales * Remote instrumentation systems* Oscilloscope and spectrum analyzers* Industrial control systems* Video and audio processing

Features and Benefits

The OPA551FAKTWT offers a variety of features and benefits:* Low-noise performance: the amplifier is designed to have an exceptionally low noise floor in a wide range of operating frequencies.* High common-mode rejection ratio: the amplifier can reject common-mode signals over a wide range of operating frequencies.* Low-distortion: the amplifier’s distortion is low, allowing for clean sound reproduction. * High-speed operation: the amplifier can operate at speeds up to 200 MHz.* High-accuracy: the amplifier is designed to provide accurate results in a wide range of operating frequencies.* Shutdown mode: the amplifier can be quickly shut down by applying a control signal to the shutdown pin.* Output enable control: the amplifier can be selectively enabled or disabled by applying a control signal to the output enable pin.* Power-on reset: the amplifier is designed to reset itself after power is turned on.* Auxiliary power supply pin: the inclusion of an auxiliary power supply pin allows for an additional power source to be connected to the amplifier.

Working Principle

The OPA551FAKTWT is a differential amplifier designed to have a low-distortion and low-noise performance. It uses a differential pair of transistors as the input stage, which has a high common-mode rejection ratio. The output stage consists of an adjustable voltage feedback amplifier, which provides the required level of gain and accuracy. The output enable control and Shutdown modes are achieved by applying a control signal to the respective pins. The power-on reset is achieved by applying a signal to the reset pin, which causes the amplifier to reset all of its settings to their default values.

Conclusion

The OPA551FAKTWT is a high-performance instrumentation amplifier that features low-noise, low-distortion and high accuracy performance. It is suitable for a wide range of applications, including data acquisition, active filtering, and various test and measurement applications. The amplifier combines several hard-to-find features in one package, including an output enable/disable control, a Shutdown mode, a power-on reset, and an auxiliary power supply pin. The OPA551FAKTWT is an ideal solution for most high-accuracy applications requiring an isolated output.

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