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NJM2783 PDF даташит

Спецификация NJM2783 изготовлена ​​​​«NJR Corporation» и имеет функцию, называемую «Monaural Microphone Amplifier».

Детали детали

Номер произв NJM2783
Описание Monaural Microphone Amplifier
Производители NJR Corporation
логотип NJR Corporation логотип 

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NJM2783 Даташит, Описание, Даташиты
www.DataSheet4U.com
Preliminary
NJM2783
Monaural Microphone Amplifier with ALC
GENERAL DESCRIPTION
The NJM2783 is a monaural microphone amplifier with
auto level control function to avoid distortion due to clipping.
The voltage gain and the limit level are adjustable by
external resistors.
It is suitable for mini component audio system, home
audio system, karaoke and others.
PACKAGE OUTLINE
FEATURES
Operating Voltage
Monaural Microphone Amplifier
Auto level control (ALC) function
(Adjustable the limit level
by external resistors
Adjustable the voltage gain
by external resistors
Additional Gain Amplifier
Built-in Buffer Amplifier
Low Equivalent Input Noise
Carefully designed to reject RF noise
Bipolar Technology
Package Outline
+2.7 to +13.0V
200mVrms to 2Vrms)
+20 to +63dB (RSENSE=OPEN)
0dB/+20dB switchable
1µVrms typ.
SSOP14
NJM2783V
BLOCK DIAGRAM
IN GAIN SW INT
SENSE VREF
V+
GND
Detector
Bias
Microphone Amprifier
100k
Additional Gain
0dB/+20dB
Buffer Amplifier
100k
VCR
GAIN1
GAIN2
DET
OUT
BUFFIN BUFFGAIN BUFFOUT
Version 6.0E
–1–









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NJM2783 Даташит, Описание, Даташиты
NJM2783
www.DataSheet4U.com
PIN CONFIGURATION
SSOP14
Preliminary
1 14
2 13
3 12
4 11
5 10
69
78
No. Symbol
Function
1
GAIN1
Microphone Amp Gain Setting 1
2
GAIN2
Microphone Amp Gain Setting 2
3
DET
Detector Input
4
OUT
Microphone Amp Output
5 BUFFIN Buffer Input
6 BUFFGAIN Buffer Gain Setting
7 BUFFOUT Buffer Output
8
GND
Ground
9 V+ Power Supply
10
VREF
Reference Voltage
11 SENSE Limit Level Setting
12 INT Recovery Time Setting
13 GAIN SW Gain Setting
14 IN Microphone Input
–2–
Version 6.0E









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NJM2783 Даташит, Описание, Даташиты
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Preliminary
NJM2783
ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
RATING
UNIT
Power Supply Voltage
Power Dissipation
Maximum Input Voltage
V+
PD
VIMAX
+14
450*1)
0 ~ V+ *2)
V
mW
V
Operating Temperature Range
Topr
-40 ~ +85
°C
Storage Temperature Range
Tstg
-40 ~ +125
°C
*1) EIA/JEDEC STANDARD Test board (76.2 x 114.3 x 1.6mm, 2layers, FR-4) mounting
*2) Don’t put Input Voltage more than Power Supply Voltage.
RECOMMENDED OPERATING VOLTAGE RANGE (Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
Operating Voltage Range
V+
-
MIN.
2.7
TYP.
9.0
MAX.
13.0
UNIT
V
ELECTRICAL CHARACTERISTICS
POWER SUPPLY (Ta=25°C, V+=9.0V unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
Operating Current
Reference Voltage
ICC
VREF
No signal
No signal
MIN.
-
4.2
TYP.
3.5
4.5
MAX.
6.0
4.8
UNIT
mA
V
AC CHARACTERISTICS
(Ta=25°C, V+=9.0V, VIN=0.7mVrms, f=1kHz, RG1=330, RG2=47k, RSENSE=OPEN, RL=4.7k,
GAIN SW=+20dB unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
Voltage Gain 1
Voltage Gain 2
Maximum Output Voltage
ALC Level 1
ALC Level 2
ALC Off
Equivalent Input Noise Voltage
Total Harmonic Distortion
Power Supply Ripple Rejection
GV1
GV2
VOM
VLIM1
VLIM2
VOFF
VNO
THD+N
RR
GAIN SW=0dB
THD=1%
VIN=1.4mVrms
RSENSE=47k
VIN=40mVrms
RSENSE=47k
VIN=1.4mVrms
Rg=0, A-weighted
BW=400-30kHz
Vripple=100mVrms, f=1kHz
60 63
40 43
2.0 2.4
0.7 1.0
0.7 1.0
1.6 2.0
-120
- (1.0)
--
- -35
MAX.
66
UNIT
dB
46 dB
- Vrms
1.3 Vrms
1.3 Vrms
2.4
-110
(3.2)
1
Vrms
dBV
(µVrms)
%
-20 dB
CONTROL CHARACTERISTICS (Ta=25°C, V+=9.0V unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITION
High Level Input Voltage
Low Level Input Voltage
Control Current
VIH
VIL
ISW VIH=5V
-
-
MIN.
2.0
0
-
TYP.
-
-
-
MAX.
V+
0.5
100
UNIT
V
V
µA
Version 6.0E
–3–










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Номер в каталогеОписаниеПроизводители
NJM2781Monaural Microphone AmplifierETC
ETC
NJM2783Monaural Microphone AmplifierNJR Corporation
NJR Corporation

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