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Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

The OPA837IDBV/T is an integrated circuit packaged as a surface mount dual high-voltage CMOS Operational Amplifier with CMOS technology for a wide range of industrial and medical applications. This high voltage, low cost, single-die solution has two independent amplifiers and a temperature range of -40°C to +125°C. The OPA837IDBV/T is capable of operating with supply voltages of up to +/- 70V and is offered in a space-saving small-outline package. This amplifier is designed for use in large signal, audio, medical, and power control applications.

Application Field

OPA837IDBV/T has a wide application in the field of industrial applications, medical instrumentations and current sensor applications. It can also be used in automotive, instrumentation, data logging, robotics and radio frequency applications. It can also be used in a range of high performance audio applications and circuit protection. The amplifier has low current consumption, low offset and low power dissipation which make it suitable for battery operated applications.

Working Principle

The OPA837IDBV/T contains two amplifiers that can operate independently and has a wide supply voltage range of +/- 70V. It is based on CMOS technology and operates without producing any noise or clicks as it does not require any external components. It also has low power consumption and low offset voltage, making it suitable for precision current sensing applications. The OPA837IDBV/T amplifies the input signal, with high common-mode rejection ratio and input offset voltage ensuring high signal-to-noise ratio. The output pair are complementary to obtain improved symmetry. The amplifier has a maximum open loop DC gain of about 20V/V with voltage feedback. It features a high output drive capability with 100mA peak drive current. It also offers high historical stability and accuracy.

Conclusion

OPA837IDBV/T is an ideal solution for high voltage, low cost, single-die amplifier that offers high performance audio and power control applications. It is capable of operating with supply voltages of up to +/- 70V and delivers high signal-to-noise ratio and low power dissipation. Its low current consumption and low offset voltage make it suitable for battery operated applications.

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