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Audio & Video ICs

Headphone Amplifier for Portable Audio

  • Operating Voltage (V+1(from step-up converter) =1.8 to 4.5V (however,V+1>V+2)
    V+2(from battery)=0.9 to 4.5V (however,V+1>V+2))
  • Low Operating Current (ICC4(V+1 side)=200µA typ. (V+1=2.3V,V+2=1.2V,No signal)ICC3(V+2 side)=350µA typ. (V+1=2.3V,V+2=1.2V,No signal))
  • Supply Current in Standby mode (ICC2(V+1 side)=25µA typ. (V+1=2.3V,V+2=1.2V)ICC1(V+2 side)=6µA typ. (V+1=2.3V,V+2=1.2V))
  • Output Power Exceeds (PO=8.5mW typ. (RL=16Ω,THD=10%))
  • Shock-noise less Standby mode
  • Bipolar Technology
  • Package Outline (MSOP10(TVSP10)*MEET JEDEC MO-187-DA / THIN TYPE)
General Description
The NJM2776 is a low voltage headphone amplifier for portable audio applications. The NJM2776 operates directly for one battery supply with independent power supply terminals (V+1 and V+2). Also it provides shock-noise less standby mode. The NJM2776 is suitable for portable MD,portable CD and others.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
10Sn2Bi19YesYesYesNon dry pack1
Sample & Buy
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