CXA1842S
3-Mode Surround and Vocal Cancellation
Description
22 pin SDIP (Plastic)
The CXA1842S is a bipolar IC which combines 3-
mode surround, bass boosting and vocal
cancellation function into a single chip.
Features
• 3-mode surround (surround A, surround B,
simulated stereo)
• Vocal cancellation function
• Bass boosting function
Absolute Maximum Ratings (Ta=25°C)
• Supply voltage
• Operating temperature Topr –20 to +75
• Storage temperature Tstg –65 to +150
VCC
14
V
°C
°C
Applications
CD Radio-cassette tape recorders, equipment with
Karaoke functions
• Allowable power dissipation
PD
880
mW
V
Structure
Bipolar silicon monolithic IC
Recommended Operating Conditions
Supply voltage
VCC
5 to 12
Block Diagram and Pin Configuration
22
21
20
19
18
17
16
15
14
13
12
S4
REF
S6
S5
VCA
DET
DET
S2
S.S
VCA
S5
S6
REF
S4
Vcc
S3
–6
VCA
DET
R2
S1
SW CONT
R1
REF
11
10
1
2
3
4
5
6
7
8
9
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.
—1—
E93702-TE
SONY [ SONY CORPORATION ]
