NJU72084 - New Japan Radio

NJU72084 Pre-Amplifier

PACKAGE OUTLINE The NJU72084 is a pre-amplifier for MEMS microphone. The NJU72084 has integrated low noise bias circuit for MEMS microphone, and high performance analog pre-amplifier deliver the genuine sound quality and support flexible microphone systems. CHIP APPLICATIONS  Portable Audio equipment  MEMS Microphone module  Cellular Phone FEAT.

Features

 Operating Voltage
 Current Consumption
 Input equivalent noise
 Maximum output Voltage
 Gain
 Frequency response
 Bias Voltage
 Operating temperature
 Package 1.5V to 3.60V 80µA typ. 3µVrms (-110dBV) 281mVrms (-11dBV) at THD < 5% -3dB 20Hz to 20kHz +12.5V -40ºC to 85ºC Chip (Wafer)
BLOCK DIAGRAM 1 OUT 2 MICIN 3 BIAS 4 GND 5 VDD Output (Analog output) Microphone input (Analog input) Bias Voltage Output Ground Power Supply Ver.4.0
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ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER SYMBOL Power Supply Voltage VDD Operating temperature Topr Storage temperature Tst.