Monaural Microphone Amplifier with ALC

Data Sheet


  • Operating Voltage (+2.7 to +13.0V)
  • Monaural Microphone Amplifier
  • Auto level control (ALC) function (Adjustable the limit level by external resistors 200mVrms to 2Vrms)
  • Adjustable the voltage gain by external resistors (+20 to +63dB (RSENSE=OPEN))
  • Additional Gain Amplifier (0dB/+20dB switchable)
  • Built-in Buffer Amplifier
  • Low Equivalent Input Noise (1µVrms typ.)
  • Carefully designed to reject RF noise
  • Bipolar Technology
  • Package Outline (SSOP14)

General Description

The NJM2783 is a monaural microphone amplifier with auto level control function to avoid distortion due to clipping.The voltage gain and the limit level are adjustable by external resistors.It is suitable for mini component audio system, home audio system, karaoke and others.

Design Simulation Models

Package Information

Part NumberPackage OutlinePLPPinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJM2783VSSOP14-14Sn2Bi65YesYesYesNon dry pack1

Sample & Buy

Part NumberPackagesStatusPacking SpecificationSampleBuy
NJM2783VSSOP14(Active)Contact UsStock Check