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NJM2172V-TE1

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
- 4 -
NJM2172
■
■■
■ TEST CIRCUIT 1
Fig.1
Test circuit 1 shows only Ach.
7
89 10
OPAMP
EVR Control
VCA
EVR AMP
VREF AMP
EVR
A-Weight
A
A-Weight
V
100
2.5k
10µ 1µ
47µ
1µ
1µ
SW1
SW2
SW3
SW4
V
V
V
O1
V
O2
V
REF
V
+
V
CNT
I
CC
V
I1
10k
600
47µ
SW5
a b
Ach
Bch
1
2
3
4
5
1
14
2
3
4
5
1
3
12 11
6
p
in
p
in
1
2
3
4
5
- 5 -
NJM2172
■ TEST CIRCUIT 2
Fig.2
Test circuit 2 shows only Ach.
7
89 10
OPAMP
EVR Control
VCA
EVR AMP
VREF AMP
EVR
V
100
2.5k
10µ 1µ
47µ
1µ
1µ
SW6
SW7
V
V
O3
V
O4
V
+
V
CNT
V
I2
10k
47µ
Ach
Bch
1
2
3
4
5
1
14
2
3
4
5
1
3
12 11
6
p
in
p
in
5
1
2
3
4
20k10k
- 6 -
NJM2172
■ TEST CIRCUIT 3
Fig.3
Test circuit 3 shows only Ach.
7
8 910
OPAMP
EVR Control
VCA
EVR AMP
VREF AMP
EVR
10k
V
+
SW9
10k
SW8
50k
50
50
10k
E
k
E
c
50k
V
V
F
NULL
10µ 1µ
10k
V
CC
47µ
1
2
3
5
Ach
Bch
1 2
3
5
1
14
2
3
5
13
12
6
p
in
pin
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

NJM2172V-TE1

Mfr. #:
Buy NJM2172V-TE1
Manufacturer:
NJR (New Japan Radio)
Description:
Operational Amplifiers - Op Amps With EVR
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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