NJU72084 Datasheet, PDF (1/7 Pages) New Japan Radio – Pre-Amplifier for MEMS Microphone

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
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