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NJU72084 Datasheet

Part Number NJU72084
Manufacturers New Japan Radio
Logo New Japan Radio
Description Pre-Amplifier
Datasheet NJU72084 DatasheetNJU72084 Datasheet (PDF)

NJU72084 Pre-Amplifier for MEMS Microphone GENERAL DESCRIPTION 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 FEATURES  Operating Voltage  Current Consumption  Input equivalent noise  .

  NJU72084   NJU72084






Pre-Amplifier

NJU72084 Pre-Amplifier for MEMS Microphone GENERAL DESCRIPTION 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 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 –1– NJU72084 ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER SYMBOL Power Supply Voltage VDD Operating temperature Topr Storage temperature Tstg Maximum input Voltage VIM RATING 5 -40 to 85 -40 to 125 ±0.4 UNIT V C C V CAUTION ESD Tolerance: Human Body Model 2000V, ( MICIN and BIAS terminals : 500V ) RECOMMENDED OPERATING CONDITIONS (Ta =25C unless otherwise specified) PARAMETER SYMBOL TEST CONDITION MIN. TYP. Operating Voltage VDD 1.5 1.8 MAX. 3.6 UNIT V ELECTRICAL CHARACTERISTICS (Ta=25C, VDD =1.8V, Input Capacitance=1pF, Vin=-39.0dBV, f=1kHz, RL=100kΩ unless otherwise specified) .


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