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PDF NJU72084 Data sheet ( Hoja de datos )
| Número de pieza | NJU72084 | |
| Descripción | Pre-Amplifier | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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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–
1 page  
[VOM, fCL, fCH]
VDD
0.1μF
+ 10μF
BIAS Charge
Pump
VDD
BGR
1pF
AMP
MICIN
Vin
GND
OUT
1μF
100kΩ
Vout
[ZO]
Zo 100k
VG Measurement
1
VG
10
10
Measurement
20
20
100k
2.2k
VDD
0.1μF
+ 10μF
BIAS Charge
Pump
VDD
BGR
1pF
AMP
MICIN
Vin
GND
OUT
1μF
2.2kΩ
Vout
[Vbias]
V+
VDD
0.1 F
+10 F
VBIAS
BIAS Charge
Pump
VDD
BGR
FET Input
(Low Bias
AMP
Current) MICIN
V- OP-AMP
GND
OUT 1 F
100k
NJU72084
–5–
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet NJU72084.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| NJU72084 | Pre-Amplifier | New Japan Radio |
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