ADA4896-2ACPZ-RL

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The ADA4896-2ACPZ-RL is an operational amplifier (op-amp) with rail-to-rail output and ultra-low distortion, making it ideal for audio and portable applications. It is a single low-noise, wideband, rail-to-rail amplifier with a gain bandwidth of 400kHz, very low distortion of -98dB THD+N, and very low noise of 10 nV/√Hz.

Application Field

ADA4896-2ACPZ-RL is an excellent audio amplifier for several applications. It is typically used in battery-powered applications to provide a low-noise, wide bandwidth audio signal amplification for portable electronics. The low distortion and low noise make it a great amplifier for applications such as portable radios and remote audio equipment, where audio clarity and noise reduction is essential. Additionally, the ultra-low distortion of the amplifier makes it suitable for use as a microphone preamp. The wide bandwidth of the amplifier makes it suitable for video applications such as video cameras, motion detectors, and MPEG video encoders where reducing distortion is as important as reducing noise.

Working Principle

The ADA4896-2ACPZ-RL uses a rail-to-rail output stage which enables amplifier output to swing from rail to rail. This is achieved by driving the input signal from the non-inverting terminal (IN+) to its maximum level while the inverting terminal (IN-) is driven by the negative power rail, producing output signal voltages up to the positive power rail voltage. The output of this rail-to-rail amplifier is linear across the full voltage range, reducing the risk of distortion.

The amplifier has a wide bandwidth of 400kHz and very low distortion of -98dB. This enables excellent signal-to-noise ratio and low distortion. In addition, the output stage can drive loads up to 20mA, which makes it suitable for low-power applications. The amplifier is also designed to be very low noise, with a noise floor of 10 nV/√Hz. This very low noise floor makes it suitable for high fidelity audio applications.

The amplifier is protected from overloads and short-circuits due to the built-in overvoltage protection and output current limiting feature. These safeguards make the ADA4896-2ACPZ-RL an ideal choice for low-power applications and audio applications where protection from overloaded signals is essential.

Conclusion

The ADA4896-2ACPZ-RL is an excellent choice for low-noise, wideband, rail-to-rail audio amplifier. It has low distortion, low noise, and wide bandwidth, making it ideal for audio, portable, and video applications. In addition, it features built-in overvoltage protection and output current limiting, making it suitable for low-power applications while still providing excellent signal quality. The ADA4896-2ACPZ-RL is an excellent choice for audio and video amplification applications.

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