Switching Driver with Regulator for Class-D Headphone Amplifier

Manufacturer's part number :

NJU8715KN1

Manufacturer New Japan Radio

New Japan Radio

Description :

The NJU8715 is a switching driver with regulator for class-D headphone amplifier. It incorporates an optimum regulator for the driver of headphone amplifier, class-D line amplifier and a beep amplifier. The NJU8715 converts 1bit digital signal of the PWM or the PDM to an analog signal output through a simple external LC low-pass filter.

The NJU8715 provides a completed digital system and high power-efficiency with class-D operation. Therefore, it is suitable for portable audio applications.

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    Features

  • 2-channel 1bit Audio Signal Input
  • Headphone Output
  • Built-in Class D Line Amplifier
  • Built-in Regulator for Driver
  • Beep Function
  • Logic Operating Voltage 1.9 to 2.6V (VDD)
  • Regulator Operating Voltage 4.0 to 5.75V (VG); 1.9 to 4.0V (VREG)
  • C-MOS Technology
  • Package Outline (QFN28)
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Input Signal PWM/PDM  

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Channel 2  
Operating Voltage 1.9 to 2.6V  
Standby Function Yes  
Mute Function No  
Attenuator No  
Package Outline QFN-28