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NJM2783V-TE1

P1-P3P4-P6P7-P9P10-P12P13-P13
Version 7.0E
NJM2783
– 4 –
"
""
"CONTROL TERMINAL EXPLANATION
GAIN SW (13 pin)
MODE STATUS NOTE
0dB L The gain of microphone amplifier is not increased.
+20dB H The gain of microphone amplifier is increased +20dB.
"TEST CIRCUIT
Detector
V+ GND
Bias
VREFSENSEINT
GAIN1 BUFFIN BUFFGA IN BUFFOUTOUT
GAIN SW
GAIN2
1 2 3 4 5 6 7
891011121314
V
R
G2
10
µ
F
10
µ
F
10
µ
F
4.7k
Ω
4.7
µ
F
0.47
µ
F
V
IN
1
µ
F
V
IH
V
IL
V
+
V
+
R
G1
R
SENSE
IN
DET
0.47
µ
F
4.7
µ
F
1
µ
F
10k
Ω
VR
Version 7.0E
NJM2783
– 5 –
"APPLICATION CIRCUIT
Detector
V+ GND
Bias
VREFSENSEINT
GA IN1 BUFFIN BUFFGA IN BUFFOUTOUT
GAIN SW
GAIN2
1 2 3 4 5 6 7
891011121314
10
µ
F
10
µ
F
10
µ
F
0.47
µ
F
4.7
µ
F4.7
µ
F
0.47
µ
F
1
µ
F
V
+
V
+
IN
DET
1
µ
F
330
Ω
47k
Ω
OUTPUT
INPUT
V
+
47k
Ω
10k
Ω
VR
Version 7.0E
NJM2783
– 6 –
!
!!
! TERMINAL DESCRIPTION
PIN NO.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
TERMINAL
DC
VOLTAGE
1 GAIN1 Microphone Amp Gain Setting 1
V
+
/2
2 GAIN2 Microphone Amp Gain Setting 2
V
+
/2
3 DET Detector Input
V
+
/2
4 OUT Microphone Amp Output
V
+
/2
5 BUFFIN Buffer Input
V
+
/2
V+ V+
500
20p
V+
V+ V+
200
5050
V+V+
V+ V+
24k
V+ V+
200
5050
V+V+
V+
VREF
V+
1k
100k
10p
P1-P3P4-P6P7-P9P10-P12P13-P13

NJM2783V-TE1

Mfr. #:
Buy NJM2783V-TE1
Manufacturer:
NJR (New Japan Radio)
Description:
Microphone Preamplifiers Monaural Microphone Amp w/ ALC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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