BA2904FV-E2

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BA2904FV-E2 is an integrated circuit made by Rohm Semiconductor that is a member of the linear family of amplifiers. It is a monolithic IC that includes an amplifier and a voltage regulator. It is typically used in a wide range of instrumentation, OP amps, buffer amps, and other linear applications where voltage regulation and amplification are needed.

Application Field

The BA2904FV-E2 is designed for wide ranging instrumentation and can be used in any application where a voltage regulated, low noise amplifier is desired. It is well suited for buffering transducers, sensors, and radio frequency (RF) amplifiers. It can also be used as an amplifier for small signal testing and in data acquisition systems.

The BA2904FV-E2 can also act as a buffer that is used to isolate an input signal from a load while maintaining accuracy. By buffering an input signal, the output is prevented from being affected by the load. This makes the BA2904FV-E2 an ideal choice for use in isolation systems where input isolation is required.

Working Principle

The BA2904FV-E2 contains two Amplifier packages; each with a complementary pair of transistors. Additionally, it houses two PNP-emitter-follower voltage regulators, one for the positive rail and one for the negative rail. The regulators rectify, filter, and regulate the incoming voltage, providing a stable power rail for the two amplifiers.

The amplifiers are AC coupled to the input, allowing a wide frequency response that includes both high frequency signals and DC signals. Each amplifier consists of a pair of complimentary transistors that drive the output signal. The output of each amplifier is then combined, providing a balanced output signal.

The BA2904FV-E2 features a number of protective features such as a Thermal Shut-off feature, a Current Limiting Circuit, and Over-Voltage protection. These features help to protect the device from any potential damage due to overheating and excessive current.

Conclusion

In conclusion, the BA2904FV-E2 is a versatile integrated circuit that can be used in a variety of instrumentation, OP Amps, Buffer Amps, and other linear applications. It has a wide frequency response, is resistant to over-temperature and over-voltage, and provides stable and accurate voltage regulation for its amplifiers. This makes it a great choice for any application that requires voltage regulation and amplification.

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