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Sony Semiconductor Electronic Components Datasheet

CXA2511AQ Datasheet

Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier

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CXA2511AQ pdf
CXA2511AQ
DolbyB-C Type Noise Reduction System with Playback Equalizer Amplifier
Description
The CXA2511AQ is an IC designed for use in car
stereo cassette decks. Functions include Dolby B-C
type noise reduction (NR) system, playback equalizer
amplifier and music sensor into a single chip.
40 pin QFP (Plastic)
Features
Few external parts
Small package (40-pin QFP)
Same pin configuration as for the Dolby B type NR
system (CXA2510AQ) and no Dolby NR system
(CXA2509AQ)
Dolby B-C type NR and playback equalizer
amplifier into a single chip
FORWARD/REVERSE head select switch
Two-system (TAPE/AUX) input select switch
Music signal interval detection level can be set by
the external resistors/capacitors (2 modes).
High-frequency cut-off of the music sensor circuit
can be adjusted by the external capacitance.
Applications
Car stereo cassette decks
Playback-only cassette decks
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
Supply voltage
VCC
Operating temperature Topr
Storage temperature Tstg
Power dissipation
PD
12
–40 to +85
–65 to +150
430
V
°C
°C
mW
Operating Condition
Supply voltage
VCC
7.8 to 11
V
This IC is available only to the licensees of Dolby Laboratories Licensing Corporation from whom licensing and applications
information may be obtained.
"Dolby" and the double D symbols are trademarks of Dolby Laboratories Licensing Corporation.
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–
E96828-PS


Sony Semiconductor Electronic Components Datasheet

CXA2511AQ Datasheet

Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier

No Preview Available !

CXA2511AQ pdf
Block Diagram and Pin Configuration
CXA2511AQ
30 29 28 27 26 25 24 23 22 21
PBFB2 31
PBRIN2 32
PBREF2 33
PBFIN2 34
VCT 35
PBGND 36
PBFIN1 37
PBREF1 38
PBRIN1 39
PBFB1 40
120µ/70µ
×1
F2
VCT
F1
×1
120µ/70µ
NR
OFF/
B/C
20 MSMODE
19 DRSW
T2
NR BIAS
MS MODE
18 TAPESW
TAPE/AUX
TAPE EQ
FWD/RVS
VCC
LPF
17 INSW
NR MODE 16 NRSW
15 NRMODE
MS ON/
OFF
DET
14 MSOUT
F3
T1
OFF/
B/C
NR
13 DGND
12 MSTC
11 G1FB
1 2 3 4 5 6 7 8 9 10
–2–


Part Number CXA2511AQ
Description Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier
Maker Sony Corporation
Total Page 21 Pages
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