Silan
Semiconductors
BLOCK DIAGRAM
OUT
(L)
17
IN LOUDNESS B-OUT
(L)
(L)
(L)
16
12
19
B-IN
(L)
18
TREBLE
(L)
4
SPEAKER
ATT
SC7313
INPUT SELECTION
& GAIN CONTROL
15
LEFT
INPUTS
VOLUME
& LOUDNESS
MUTE
SPEAKER
ATT
LEFT
25 FRONT
OUT
14
BASS
TREBLE
23
MUTE
LEFT
REAR
OUT
SCL
SDA
BUS
13
28
SERIAL BUS DECODER + LATCHES
27
26 DIG-GND
9
RIGHT
INPUTS
SPEAKER
ATT
10
VOLUME
& LOUDNESS
BASS
TREBLE
MUTE
RIGHT
24 FRONT
OUT
11
SPEAKER
ATT
CREF
1
SUPPLY
MUTE
22
RIGHT
REAR
OUT
2
VDD
3
7
6
8
21
20
5
TREBLE
(R)
A-GND OUT
(R)
IN LOUDNESS B-OUT B-IN
(R)
(R)
(R)
(R)
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage
Operating Temperature
Storage Temperature
Symbol
V
S
Tamb
Tstg
Value
10.2
-40 ~ +85
-55 ~ +150
Unit
V
°C
°C
QUICK REFERENCE DATA
Characteristic
Supply Voltage
Maximum input signal handling
Total harmonic distortion ,V=1Vrms, f=1kHz
Signal to noise ratio
Channel separation, f=1kHz
Volume control, 1.25dB step
Bass and treble control, 2dB step
Fader and balance control, 1.25dB step
Input gain, 3.75dB step
Mute attenuation
Symbol
Vs
V
CL
THD
S/N
Sc
Min.
6
2
Typ.
9
0.01
106
103
Max.
10
0.1
Unit
V
Vrms
%
dB
dB
-78.75
-14
-38.75
0
100
0
+14
0
11.25
dB
dB
dB
dB
dB
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.1
2002.02.26
2
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
