High-Power and Low-Voltage Stereo Audio Power Amplifier with 3D Surround

Manufacturer's part number :

NJU7085SF7

Manufacturer New Japan Radio

New Japan Radio

Description :

The NJU7085 is a stereo audio power amplifier with surround sound technology for portable applications. No external coupling capacitors are required because of the differential outputs. The closed loop gain is adjusted by two external resistors. And the standby mode control reduces the supply current. The NJU7085 contains pop and click noise protection circuitry which eliminates noises during turn-on and turn-off transitions and RF rectification cancelling circuitry. It is suitable for portable telephone, wireless telephone, button telephone, and other speaker amplifier applications.

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    Features

  • Operating Voltage (V+=2.8 to 5.5V)
  • Operating Current/Supply Current in Power Down Mode (IDD1=4.6 mA typ.(Mobile mode)/IDD4=2µA max.(Standby mode))
  • Output Power (Po=400mW/ch typ. (V+=3V,RL=4Ω))
  • Low Output Noise (25µVrms typ.)
  • Variable Surround Effect by external resistor
  • Standby function
  • Mute Function
  • C-MOS Technology
  • Package Outline (PCSP32F7,SSOP32)
  • APPLICATION ( Portable DVD/TV, Cradle Speaker, Mobile-phone/PHS)
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Operating voltage (V) 2.8 to 5.5  
Output power 400mW  
Stand-by Yes  
Mute Yes  
Package outline PCSP32F7