NJM4556AD

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The NJM4556AD is a dual operational (op) amplifier (op-amp) with low noise, wide bandwidth and high performance. It is a part of a vast array of different amplifiers, used to boost the signal of a given system. The amplifier is categorized under the linear amplifiers, instrumentation, op-amps, buffer amps.

The NJM4556AD is well-suited for consumer audio, lighting and environmental equipment, as it operates with a wide-ranging temperature range of -40°C to +125°C for consumer products. It has low noise of 7.5nV/√Hz at 0dB gain and its low power consumption, 2mW for a single amplifier is ideal for portable applications. It is made with a single supply voltage of 5V, or dual supply with independent 5V and -5V, offering a maximum output swing of ± 4.0V and a gain-bandwidth of 200KHz.

The op-amp features an internally compensated common-mode range that includes ground making it suitable for single +5V battery power supply. It also has high common-mode rejection ratio (35dB, typ) to reject environmental noise. It has a low maximum input bias current of 500nA with a low output driving capability of 2kΩ for 0.1% total harmonic distortion. Furthermore, its high single-supply common-mode rejection ratio of 90dB, typ, make it ideal for portable applications suffering from a noisy environment.

The NJM4556AD has a slew rate of 0.5V/µs, a low input offset voltage of 1mV (typ), and a low power consumption of 2mW (typ) at ± 5V power supply. Its wide bandwidth of 200kHz at 0dB gain and flat response makes it suitable for both low frequency and audio applications. It also has low input bias current and low output impedance providing high stability even with capacitive loads. Lastly, the device has over temperature protection, making it suitable to protect the circuit in extreme temperatures.

The NJM4556AD dual op-amp is designed to provide high performance, low power consumption and wide bandwidth for most types of audio, environmental and lighting applications. It is capable of wide temperature range, low noise and low power consumption with high common-mode rejection ratio for increase stability. Furthermore, its low input bias current, wide bandwidth and high stability with capacitive loads, make it suitable for portable applications where power supply is limited and environmental noise is considered.

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