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Audio & Video ICs

Low Voltage Microphone Amplifier for Portable Audio

  • Operating Voltage Range (2.7 to 4.5V)
  • Operating Current (2.2mA typ. at V+=2.7V)
  • Supply Current in Standby Mode (1µmA max.)
  • Maximum Output Voltage (-1.5dBV typ. at THD=0.1%)
  • Internal Two-type Gain Select Function (13dB typ./ 29dB typ.)
  • Internal Standby Function
  • Power Ripple Rejection Terminal (95dB typ. at Gv=13dB)
  • Bipolar Technology
  • Package Outline (SSOP14)
General Description
The NJM2173A is a low voltage microphone amplifier designed for portable audio items. It includes standby,two-type gain selector,and power ripple rejection adjustment circuit. It realizes very low turn-noise at standby mode. It is suitable for portable Mini-Disc,portable Compact-Disc,and other microphone amplifier application.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
14Sn2Bi65YesYesYesNon dry pack1
Sample & Buy
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