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Sony Semiconductor Electronic Components Datasheet

CXA1842S Datasheet

3-Mode Surround and Vocal Cancellation

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

CXA1842S Datasheet

3-Mode Surround and Vocal Cancellation

No Preview Available !

CXA1842S pdf
CXA1842S
Pin Description
Pin
Symbol
No.
Pin
Voltage
1 Rch IN
22 Lch IN
5.0V
2 LPF R1
21 LPF L1
3 LPF R2
20 LPF L2
5.0V
4 LPF R3
19 LPF L3
5 DET V.C
Equivalent Circuit
VCC
(VCC=10V, Ta=25°C)
Description
Channel L
input pin
Channel R
1
129
22 56K
AGND
GND
32K
64K 80K
2
21
3
20
4
19
VCC
Time constants for L.P.F.
AGND
Level detector pin.
To be connected with a
capacitor
5
17 DET R
0.5V
129
17
5K 500
18 200
100K
200
18 DET L
—2—


Part Number CXA1842S
Description 3-Mode Surround and Vocal Cancellation
Maker Sony Corporation
Total Page 8 Pages
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