Microphone Amplifier. NJU7907A Datasheet

NJU7907A Amplifier. Datasheet pdf. Equivalent

NJU7907A Datasheet
Recommendation NJU7907A Datasheet
Part NJU7907A
Description Monaural Microphone Amplifier
Feature NJU7907A; NJU7907A Monaural Microphone Amplifier ■ GENERAL DESCRIPTION The NJU7907A is a monaural microphone.
Manufacture New Japan Radio
Datasheet
Download NJU7907A Datasheet




New Japan Radio NJU7907A
NJU7907A
Monaural Microphone Amplifier
GENERAL DESCRIPTION
The NJU7907A is a monaural microphone amplifier IC
including regulator for microphone capcel, pre-amplifier and line
amplifier.
The NJU7907A features low consumption current, wide
dynamic range, wide operating voltage range, wide operating
temperature and urtla small and thin package.
It is suitable for microphone module, headset for conference
system, automotive microphone for eCall, and any portable
applications.
PACKAGE OUTLINE
NJU7907AUC4
NJU7907ARB2
FEATURES
Operating Voltage
Low Consumption Current
Wide Dynamic Range
Wide Operating Temperature
CMOS Technology
Package Outline
4.5 to 16V
EPFFP10-C4, MSOP10(TVSP10)
BLOCK DIAGRAM
PREIN
MIC
MIC
Ver.1.1E
NF
Iref
Gen
VS=8V
V+ RL
SIGOUT
LINEOUT
GND
PREOUT LINEIN
AmpIN
CCUP
BIAS
RBIAS
FB
RFB1
RFB2
-1-



New Japan Radio NJU7907A
NJU7907A
ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
Supply Voltage
Power Dissipation
Maximum Input Voltage
SYMBOL
V+
PD
Vimax
RATING
18
340(EPFFP10-C4) / 470(MSOP10)
NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting
0.3
Operating Temperature Range Topr
-40 to +85
Storage Temperature Range
Tstg
-40 to +125
UNIT
V
mW
Vrms
C
C
ELECTRICAL CHARACTERISTICS (Ta=25°C, VS=8V, GV=37.8dB, f=1kHz unless otherwise specified)
DC CHARACTERISTICS (Rg=0, RL=680unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP. MAX. UNIT
Operating Voltage
Supply Current1
Supply Current2
Supply Current3
Reference Current
VS
IDD1 No Signal
IDD2 RFB1=0,RFB2=
IDD3 RL=0
Iref No Signal
4.5 8.0 16.0
- 4.85 6.0
- 220 320
- 28.0 50.0
8.0 9.0 10.0
V
mA
μA
mA
μA
Output DC Voltage
VOUT
No Signal, LINEOUT
- 4.7 -
V
PreAmp CHARACTERISTICS (CIN=1nF, RL=100kunless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP.
MAX.
UNIT
Voltage Gain
Frequency Response
Input Capacitance
Gv Vin=50mVrms
ΔGf 1kHz-10kHz
Ci
-0.8 -0.5 -0.2
-0.5 0 0.5
- 1.0 -
dB
dB
pF
Input Resistance
Total Harmonic Distortion
Output Noise Voltage 1
Output Noise Voltage 2
Ri
THD
VNO1
VNO2
Vin=100mVrms
BW=400Hz to 30kHz
Weighted-A, CNF=None
Weighted-A, CNF=1nF
200 -
-
- 0.1 0.5
- -108 -103
- -112 -108
M
%
dBV
dBV
LineAmp CHARACTERISTICS (Rg=0, RL=680unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN. TYP.
MAX.
UNIT
Maximum Output Voltage
Voltage Gain
Total Harmonic Distortion
Output Noise Voltage
Output Resistance
VOM
GV
THD
VNO
Ro
OUTPUT, THD=3%
Vin=10mVrms
Vo=1.6Vrms
BW=400Hz to 30kHz
Weighted-A
1.8
37.3
-
-
-
2.1
37.8
0.1
-78
5
-
38.3
0.5
-72
10
Vrms
dB
%
dBV
Input Resistance
Ripple Rejection
Ri
RR
VRipple=0.5Vrms
PREINLINEOUT
60 100 130
25 40
-
k
dB
-2-



New Japan Radio NJU7907A
NJU7907A
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
-3-







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