OP297GPZ

Current - Input Bias:	50pA
Base Part Number:	OP297
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	4 V ~ 40 V, ±2 V ~ 20 V
Current - Supply:	525µA
Voltage - Input Offset:	80µV
Series:	--
Gain Bandwidth Product:	500kHz
Slew Rate:	0.15 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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OP297GPZ application field and working principle

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The OP297GPZ is a type of dual-channel, low-noise, high-performance, low-power FET-input amplifier. It is designed to provide excellent high frequency response and signal filtering capabilities for audio and instrumentation applications.The OP297GPZ is characterized by its low-noise and high signal-to-noise ratio, making it ideal for sensitive instrumentation measurements such as signal-to-noise ratio (SNR). Other features of the OP29GPZ include high input impedance, low offset voltage and low-power usage, making it suitable for battery-operated equipment.The OP297GZ operates over a wide range of supply voltages and temperature, from -40°C to +85°C. Its low-noise and high-bandwidth performance makes it an excellent choice for various audio, video and telecommunications applications. It is also suitable for precision, instrumentation and medical applications. The OP297GZ has two power-supply pins, one for the +DC (or positive) voltage and one for the –DC (or negative) voltage. This enables the construction of a dual-supply amplifier system, with the two supply voltages being different, allowing the bipolar operation of the device.The working principle of the OP297GZ is identical to that of a common operational amplifier. It consists of two differential amplifier stages, also known as differential pairs. Each differential pair uses two transistors to amplify an input signal. This is supplemented with active feedback from the output of the next stage.The two differential amplifier stages of the OP297GZ have identical gain characteristics and are connected in series, with the input of one differential pairing being connected to the output of the other. This enables the gain of the device to be increased without sacrificing noise performance. The unity gains of the two stages are also important, as they enable the device to respond accurately to differential input signals.The OP297GZ is further characterized by its high slew rate, which facilitates applications that require fast slew response, such as fast-step response, and its low distortion, which is essential for audio applications.The OP297GZ is useful not just for analog audio and video signals but also for digital signals, as it has a low input offset. This ensures that digital signals can be accurately amplified without incurring distortion or errors. Furthermore, since the device has very low input offset, it can be integrated into frequency or time domain applications, such as frequency and time domain analog-to-digital converters.The OP297GZ also has a high input impedance, making it suitable for wideband instrumentation applications. It also has a high open-loop gain, which facilitates the design of high-gain circuits.Overall, the OP297GZ is an excellent device for low-power, high-performance, low-noise applications which can be used in instrumentation, medical, audio and video applications. Its low-noise, high-bandwidth performance is also ideal for sensitive measurements, such as audio and instrumentation applications. Additionally, its low-power usage and its ability to work over a wide range of temperatures and supply voltages make it suitable for various applications.

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