ONET9901PARGPG4 Integrated Circuits (ICs)

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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

ONET9901PARGPG4 is a four channel, high gain, precision operational amplifier for use as an instrumentation amplifier. It offers a maximum closed loop gain of 72V/V (6.21dB), an input offset voltage of 0.6mV, and a typical power supply rejection ratio (PSRR) of 67dB. The device is available in standard SO-8 and MSOP-8 packages, and is pin compatible with other PGA variants from the same family.

Typical applications of the ONET9901PARGPG4 include signal conditioning, high gain measurement systems, calibrator systems, and test and measurement instrumentation. It is also applicable in systems requiring high common-mode rejection ratio (CMRR) and high PSRR, such as with medical and industrial instrumentation.

Working Principle

The ONET9901PARGPG4 is a four channel, high gain, precision operational amplifier. The device features a gain range of 5 to 450V/V, with a maximum closed loop gain of 72V/V (6.21dB). It also features an input offset voltage of 0.6mV and a PSRR of 67dB, making it ideal for high performance measurement systems.

The ONET9901PARGPG4 utilizes a structure fully differential balanced amplifier as the core of the amplifier. This structure provides excellent signal integrity and low power dissipation. Additionally, the device features a special low-noise input and output buffer, which helps eliminate noise pickup in high gain systems.

The ONET9901PARGPG4 features a high performance multi-stage architecture that is optimized for precision applications. This architecture allows the device to achieve a high closed-loop gain, low noise and fast settling time. The device also features a unity gain stable design, which prevents oscillations and overshoot scenarios. Additionally, the device incorporates precision trimming techniques which reduce the input offset voltage to a mere 0.6mV, thereby eliminating any error due to offset voltage.

The ONET9901PARGPG4 is capable of achieving a high CMRR and PSRR, making it suitable for applications where noise interference needs to be reduced. The device is available in both SO-8 and MSOP-8 packages, and is pin compatible with other PGA variants.

Conclusion

The ONET9901PARGPG4 is an ideal device for high gain application and measurement systems. It offers a high gain range of 5 to 450V/V, excellent signal integrity, low noise, high CMRR and PSRR, and excellent temperature stability. Additionally, the device features a unity gain stable design and precision trimming techniques. It is thus an ideal device for precision applications such as medical and industrial instrumentation, and can help eliminate noise interference in such applications.

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