Dual Equalizer Pre-amp
CD7668GP
1.
CD7668GP ALC
2.
2. 1
VCC=6 ~15V DIP16
5
6 7 8 ALC 10 11
9 12
2. 2
1 GND1 1
2 VREF
3 OUTMUT1
1
4 OU...
Description
CD7668GP
1.
CD7668GP ALC
2.
2. 1
VCC=6 ~15V DIP16
5
6 7 8 ALC 10 11
9 12
2. 2
1 GND1 1
2 VREF
3 OUTMUT1
1
4 OUTRA1
1
5 OUTPRE1
1
6 IN1-
1
7 IN1+
1
8
INALC
ALC
ALC
4 3 15
16 2
13 14
1
9 GND2 10 IN2+ 11 IN2-
12 OUTPRE2
13 OUTRA2
14 OUTMUT2 15 CONMUT 16 VCC
2 2 2 2
2
2
14 0510 5807123-5506 16
0510 5803016
3.
3. 1
25 3. 2
Tamb= 25
VCC PD Tamb Tstg
1
16 750 -25 ~ 75 -55 ~ 175
6mW
V mW
Tamb= 25 VCC= 9V f =1kH
CD7668GP
ALG ALC ALC
ALC
ICCQ
VI =0
AVO VOM1 THD1
VNO
C.T
VI =0.045mV THD=1%
VO=0.2V B.P.F:NAB Rg=22k Rg=2.2k 30Hz~50kHz Rg=2.2k
AVF VOM2 THD2 RALC
THDALC
VALC
ATT BALC 3dB
RL=10k THD=1%
Vo=1.5V
VI=0.45mV RL=2.2k
VI=45mV RL=10k VI=45mV RL=10k
RL=2.2k RL=2.2k
V=45mV
8.5 10.5
65 78 0.5 0.8
0.15 0.5
0.26 0.6
47 60
12.7 14.7 16.7 2.0 2.5
0.2 0.6 45
0.3 1.0
0.90 1.10 1.42
45 55 0
2
mA
dB V %
mV
dB
dB V % dB %
V dB dB
26
CD7668GP
4.
4700pF 10k 3.3 F 4700pF 10k
18 k 6800pF S 5
1 2 +47 F S 3-1 36k
NAB S4-1
1
S7 1.6 k
2
3.3 F +
13...
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