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NJM2781V-TE1
P1-P3
P4-P6
P7-P9
P10-P11
NJM2781
– 4 –
T
est C
ircui
t 3 (
Operating
Current
Icc1,Icc2)
T
est C
ircui
t 4 (
Mic Powe
r Suppl
y V
o
ltage
Vo
)
1
µ
F
10
µ
F
6.8k
Ω
0.33
µ
F
Input
V+
GND
6.8k
Ω
2.2
µ
F
9k
Ω
4.7
µ
F
Output
15k
Ω
680
Ω
47k
Ω
100
Ω
V+
V+
GND
2.2
µ
F
9k
Ω
4.7
µ
F
Output
15k
Ω
680
Ω
47k
Ω
Icc1:S
TBY=L
Icc2:S
TBY=H
4
3
2
1
8
7
6
5
Reg
NOISE
REG
STBY
IN+
GND
V+
OUT
IN-
1
µ
F
10
µ
F
10
µ
F
6.8k
Ω
0.33
µ
F
Inpu
t
100
Ω
V+
4
3
2
1
8
7
6
5
Reg
NOISE
REG
STBY
IN+
GND
V+
OUT
IN-
10
µ
F
NJM2781
– 5 –
T
est C
ircui
t 5 (
Power Suppl
y
R
ipple Rejec
tion
PSRR)
T
est C
ircui
t 6 (
S
tand-B
y
Control V
oltag
e
V
IH
, V
IL
)
V+
GND
2.2
µ
F
9k
Ω
4.7
µ
F
Output
[PSRR]
BPF:1kH
z
15k
Ω
680
Ω
47k
Ω
1
µ
F
10
µ
F
10
µ
F
6.8k
Ω
0.33
µ
F
2.2
µ
F
9k
Ω
4.7
µ
F
Input
Output
V+
GND
15k
Ω
680
Ω
47k
Ω
100
Ω
4
3
2
1
8
7
6
5
Reg
NOISE
REG
STBY
IN+
GND
V+
OUT
IN-
Rg=600
Ω
1
µ
F
10
µ
F
10
µ
F
6.8k
Ω
0.33
µ
F
Inpu
t
100
Ω
V+
4
3
2
1
8
7
6
5
Reg
NOISE
REG
STBY
IN+
GND
V+
OUT
IN-
NJM2781
– 6 –
■
APPLICA
T
ION CIRCUIT
V+
GND
2.2
µ
F
9k
Ω
4.7
µ
F
Output
15k
Ω
680
Ω
47k
Ω
4
3
2
1
8
7
6
5
Reg
NOISE
REG
STBY
IN+
GND
V+
OUT
IN-
1
µ
F
10
µ
F
10
µ
F
6.8k
Ω
0.33
µ
F
Inpu
t
100
Ω
V+
P1-P3
P4-P6
P7-P9
P10-P11
NJM2781V-TE1
Mfr. #:
Buy NJM2781V-TE1
Manufacturer:
NJR (New Japan Radio)
Description:
Microphone Preamplifiers Monaural Mic Amp
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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Union
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