CXA2021S
I
2
C BUS Sound Processor for TV
Description
The CXA2021S is a bipolar IC developed as an I
2
C
BUS control sound processor for TV. This IC
implements surround, tone control, balance, volume,
mute and AGC functions.
Features
•
I
2
C BUS control
•
The AGC circuit is adopted to absorb volume
differences between input sources and improve the
S/N ratio in hearing.
Absolute Maximum Ratings
•
Supply voltage
•
Operating temperature
V
CC
14
Topr –20 to +75
V
°C
Structure
Bipolar silicon monolithic IC
Applications
TVs
22 pin SDIP (Plastic)
•
Storage temperature
Tstg –65 to +150 °C
•
Allowable power dissipation P
D
0.9
W
Recommended Operating Condition
Supply voltage
8 to 13
V
Pin Configuration
LOUT
CH-L
DET1
CL-L
HPO
SDA
12
11
VRS
L-IN
Vcc
HPI
PS
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
CL-R
BAL
VOL
ROUT
GND
BASS
CH-R
TRE
DET2
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
R-IN
–1–
SCL
E95319-ST
SONY [ SONY CORPORATION ]
