Analog Signal Input 2.5W Stereo Class-D Power Amplifier

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

Description :

The NJU8757 is an analog signal input stereo class-D power amplifier. The NJU8757 incorporates BTL amplifiers, which eliminate AC coupling capacitors, and it is capable of driving up to 2.5W/channel into RL=4ohms with simple external LC low-pass filters.

The NJU8757 includes PWM modulators, an output short protector, a low voltage detector and a pop noise reduction function.

Class-D operation achieves high power-efficiency, which achieves longer battery life for battery powered applications, thus the NJU8757 is suited for multimedia speaker, PC, etc.

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  • 2-Channel Analog Differential Input
  • 2-Channel BTL Outputs:2.5W/ch at 5V into 4 ohms
  • Standby(Hi-Z), Mute Control
  • Built-in Low Voltage Detector
  • Built-in Short Protector for each channel
  • Built-in Pop noise reduction
  • Operating Voltage:2.7 to 5.25V
  • CMOS Technology
  • Package Outline:SSOP32, QFN28-N2
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Input Signal Analog  

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Channel 2  
Operating Voltage 2.7 to 5.25V  
Output Power 2.5W  
Standby Function Yes  
Mute Function Yes  
Attenuator No  
Package Outline SSOP-32