OPA567AIRHGT Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Amplifier Type:	General Purpose
Number of Circuits:	1
Output Type:	Rail-to-Rail
Slew Rate:	1.2 V/µs
Gain Bandwidth Product:	1.2MHz
Current - Input Bias:	1pA
Voltage - Input Offset:	500µV
Current - Supply:	9mA
Current - Output / Channel:	2.4A
Voltage - Supply, Single/Dual (±):	2.5 V ~ 5.5 V, ±1.25 V ~ 2.75 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	12-VQFN Exposed Pad
Supplier Device Package:	12-VQFN (5x5)
Base Part Number:	OPA567

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OPA567AIRHGT Application Field and Working Principle

OPA567AIRHGT is a simplified, high-performance operational amplifier belonging to the linear amplifier family. It’s typically used when the system requires moderately low speed, a low voltage offset, low noise, and low power consumption. This specialized operational amplifier is suitable for a variety of applications, notably instrumentation and buffer amplifiers. Below, we will look more in-depth at the application field, power supply, and the working principle of the OPA567AIRHGT.

Application Field and Power Supply

OPA567AIRHGT is mainly used in instrumentation, buffer amplifiers and medical devices, where power speed and low power consumption, and low voltage offset are of primary importance. The device is available in the small SOT-23-6 package, which allows it to be used in a variety of applications, thanks to its size and weight, making it suitable even for handheld instruments. OPA567AIRHGT also offers low noise and high common-mode rejection ratio (CMRR), which makes it perfect for buffering audio or driving bridges, or for use in transimpedance amplifier configurations for medical imaging systems.As for the power supply, the OPA567AIRHGT requires a single-supply voltage in the range of 1.8V to 3.3V, and can operate with a single power supply rail between 1.7V and 3.3V. The device also works well with dual-power supplies, such as ±1.7V to ±1.6V, with rail-to-rail input and output swings.

Working Principle

At the heart of the OPA567AIRHGT lies an internal architecture that empowers the device to deliver fast, low-power output—even at extremely low input voltages. The device operates with a wide gain range of 1kHz to MHz and a high slew rate of 5V/µs.As for the basic operational amplifier architecture, the OPA567AIRHGT consists of two transistors to serve as the inputs, and one driver transistor to the output. This allows reasonably high open-loop gains and low noise figures. Furthermore, the device is designed with built-in current sources, which not only help maximize the output swing, but also provide additional protection and stability.In terms of its typical electrical characteristics, the OPA567AIRHGT is characterized by low voltage offset, low current consumption, and high common-mode rejection ratio. The device also features maximum input-bias current of 100pA max and a maximum input impedance of 5T ohms.To conclude, the OPA567AIRHGT is a compact, low-power, high-performance operational amplifier suitable for both instrumentation and buffer amplifier applications. Thanks to its size, low power consumption, high-speed operation, and low voltage offset, it can be used in a wide variety of portable, battery-operated devices. Furthermore, the device is characterized by low voltage offset, low noise, and high common-mode rejection ratio, making it perfect for buffering audio or driving bridges.

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