Alinco DJ-G5, Service Manual

Page: 15 / 73

4) LC75366M (XA0345)
Electric Volume
LlOdBIN
E O
RIOdBIN
LCT1
E â l
RCT1
LCT2 E
â l
RCT2
LIOdBOUT
E
n i
RIOdBOUT
L2dBIN
E
R2dBIN
L2dBOUT
E
â l
R2dBOUT
LVref
E
RVrel
VDD
E n i
VSS
CL
E
i ü
S
Dl E
3
CE
Equivalent Circuit
Ta=25°C, Vss=OV
Parameter Symbol
Condition Min. Typ. Max. Unit
THD
THD(1)
VIN=1Vrms,f=1kHz,
flat over all, VDD=9V
0.006 %
THD(2)
VIN=1Vrms, f=20kHz,
flat over all, VDD=9V
0.015 %
Cross talk
CT
VIN=1Vrms,f=20kHz,
flat over all, Rg=1kil
85
dB
Volume min. output VO min
VIN=1Vrms,f=20kHz,
Volume-», UR Vref~Vss: C=470nF
80
dB
All resistance value
RVOL(1) 10dB step 28.2 47 68.5
k£i
RVOL(2) 2B step 12 20 28
k£i
Output off leak current I off
LIOdBIN, RIOdBIN, LCT1
L2dBIN, R2dBIN, RCT1
LIOdBOUT, RIOdBOUT, LCT2
L2dBOUT, R2dBOUT, RCT2
LVREF, RVref
-10 +10 HA
Input "H" level current
I IH
VI=VDD (CL, CE, Dl terminal) +10
HA
Input "L" level current I IL VI-VSS (CL, CE, Dl terminal) -10 HA
Noise output voltage
VN
flat over all (IHF-A),
VDD=9V, Rg=1kQ
2 10
HA
Consumption current
IDD
VDD-VSS=11V
1 mA
Analog ON resistance RON
CT1 180 300 420
a
CT2 between Vref 90 150 210
OdB, -oo
0.6 1.0 1.4
kn
Others 6.0 10.0 14.0
17