OPA847IDBVR

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The OPA847IDBVR is an excellent instrumentation amplifier in the field of linear amplifiers. This device is a series of precision, low-noise, two- and three-channel, monolithic integrated op-amps. It features high-impedance, voltage-feedback, high-speed transconduction, low-output noise, and low-power operation.

The OPA847IDBVR has many applications in the field of instrumentation amplifiers. It can be used as a buffer amplifier, a gain amplifier, and a DC instrumentation amplifier. It has a wide operating temperature from -40°C to 85°C, making it suitable for a variety of temperature and voltage ranges. The OPA847IDBVR is also used to help control noise in high-impedance circuits, as it can minimize noise at lower frequencies.

The working principle of the OPA847IDBVR should be understood before using it. As an instrumentation amplifier, it uses the principle of resistive-capacitive compensation (RC compensation) to operate efficiently. This principle uses resistors and capacitors to cancel out the noise or other signals that may be present in the circuit. By adding capacitors to the amplifier’s input stage, the frequency characteristics can be adjusted symmetrically. This results in improved frequency response, dynamic range, and signal-to-noise ratio.

This device features a low power dissipation of ≅ 5mW. The OPA847IDBVR does not have a schottky micropower protection network, it does not require a negative bias voltage, and it requires a supply voltage of 3.3V. The device includes a high input impedance of 1.5MΩ, low output bias current of 1μA, and fast settling time of 3μs, which are important factors for any audiophile application.

The OPA847IDBVR is an ideal choice for applications where low noise, high impedance and fast slew rate are required. It is designed to handle audio signals and can be used as a buffer, a gain amplifier, and a DC amplifier. The OPA847IDBVR also offers high instrumentation flexibility, with its various gain options, including 15 to 25V/V and 15 to 400mV/V. Its wide temperature range makes it suitable for a wide range of temperature and voltage conditions.

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