NCP4896FCT1G

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NCP4896FCT1G is a state-of-the-art audio linear amplifier integrated circuit (IC) that is part of ON Semiconductor’s large portfolio of standard linear amplifier products. This device is part of the Voltage Feedback Amplifier family. With its wide bandwidth and high slew rate, it is suitable for audio applications ranging from professional audio equipment, to multimedia and home entertainment systems. This versatile IC offers an array of features including low-power shutdown and low-noise operation allowing it to deliver superior performance and durability in audio applications.

Application Field

The NCP4896FCT1G is designed for audio amplifier applications. It is capable of providing high output power and improved sound quality in various audio systems, for both professional and consumer use. Its wide bandwidth enables driving loads with higher impedance and greater dynamic range. The NCP4896FCT1G is ideal for use in professional audio equipment, such as high-end powered loudspeakers, subwoofers, and passive speaker systems. It is also a great choice for use in home entertainment systems, advertising systems, and more.

Design Benefits

The NCP4896FCT1G features a number of design benefits that make it a great choice for audio applications. These include:

• Wide bandwidth up to 20MHz, ultra-low distortion of 0.002%, and minus 115 dBu Noise Attenuation Rate (NR) enable clarity and volume output in low-power audio systems.
• High slew rate of 6000 V/μs provides great stability and fast transient response.
• Low input bias current and high common-mode rejection ratio (CMRR) for improved linearity over a wide range of input signals.
• Low power shutdown mode for cost-efficient designs.

Working Principle

The NCP4896FCT1G is a bipolar voltage feedback amplifier that has an integrated current feed-back loop. It utilizes a resistorless current-feedback topology which isolates the feedback components from the input stage and allows the device to maintain high linearity and fast response. The device is extremely versatile and can be used in a wide range of audio applications with its single-ended inputs, differential outputs, and low input bias current.

The gain in the NCP4896FCT1G is externally adjustable. The gain factors are controlled using a network of resistors consisting of R1 and R2, and capacitors C1 and C2. These resistors/capacitor components set the gain in the amplifier by determining the amount of feedback the amplifier receives. The output can be controlled by adjusting the gain of the amplifier and the DC offset adjust can be used to fine-tune the output level. The NCP4896FCT1G can also be used as a power amplifier by adding an external power supply.

In addition to the adjustable gain, the NCP4896FCT1G also features a few other features that make it ideal for audio applications. The thermal shutdown protection feature helps protect the amplifier from overheating, while the low power shutdown mode helps to reduce power consumption and noise.

Conclusion

The NCP4896FCT1G is an excellent audio linear amplifier IC for high-performance and high-bandwidth audio applications. Its low noise and distortion make it a great choice for professional audio equipment, multimedia systems, and home entertainment systems. It also offers great stability and fast transient response, enabling clarity and volume output in low-power audio systems. Its adjustable gain and low power shutdown mode add to the versatility of this device, allowing for cost-efficient designs.

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