NJM2076M

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Class AB
Output Type:	1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power x Channels @ Load:	90mW x 1 @ 8 Ohm; 17.5mW x 2 @ 16 Ohm
Voltage - Supply:	1.8 V ~ 15 V
Features:	--
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 75°C (TA)
Supplier Device Package:	8-DMP
Package / Case:	8-SOIC (0.209", 5.30mm Width)

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NJM2076M Application Field and Working Principle

The NJM2076M is a high-performance operational amplifier made by Japan Radio Company (JRC) that has been used in many audio applications. It is a low-voltage, low-power consumption, ultra-low distortion, high-input impedance, and low-output impedance device.

Application Fields

The NJM2076M is a low voltage device suitable for applications that require high performance, where current consumption is critical. Typical applications for this device include active filters, audio pre-amps, power amplifiers, and analog-to-digital converters. It is especially well-suited for audio applications, where it is used in the signal path directly after an analog-to-digital converter. This device has excellent overload-recovery characteristics and a very flat frequency response.

Working Principle

The NJM2076M is designed to eliminate external components, significantly reduce circuit board space, and improve performance. The device consists of two op-amps, four capacitors, and two resistors. The two op-amps are connected in series and configured as differentiator and integrator circuits.The first circuit (the differentiator) is designed to differentiate the positive and negative parts of the input signal, and the second circuit (the integrator) is designed to integrate these two signals, forming a new signal that is in-phase with the original signal.The four capacitors provide stability to the op-amps, which allows the device to reject any outside noise and reduce distortion. The two resistors are used to null the gain, ensuring that the output remains constant at different frequencies.

Conclusion

The NJM2076M is an incredibly versatile operational amplifier that can be used in various audio applications. Its high-performance design and superior overload-recovery characteristics make it an ideal choice for any audio design. Its low-voltage and low-power operation make it perfect for battery-operated applications. Plus, the two op-amps, four capacitors, and two resistors simplify the overall design, reducing total component count and circuit board space.

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