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CXA2560Q Datasheet

Dolby B Type Noise Reduction System with Playback Equalizer Amplifier

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CXA2560Q
DolbyB Type Noise Reduction System with Playback Equalizer Amplifier
Description
The CXA2560Q is an IC designed for use in car
stereo cassette decks. Functions include Dolby B 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-C type
NR system (CXA2561Q) and no Dolby NR system
(CXA2559Q)
Dolby B type NR and playback equalizer amplifier
into a single chip
FORWARD/REVERSE head select switch
Mute function
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
6.5 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–
E97438A79-PS


Sony Semiconductor Electronic Components Datasheet

CXA2560Q Datasheet

Dolby B Type Noise Reduction System with Playback Equalizer Amplifier

No Preview Available !

Block Diagram and Pin Configuration
CXA2560Q
PBFB2 31
30 29
7k/12k
28
PBRIN2 32
300k
PBGND 33
PBFIN2 34
VCT 35
45k
PBREF 36
PBFIN1 37
PBGND 38
PBRIN1 39
PBFB1 40
F2
30k
30k
F1
300k
7k/12k
123
27 26 25 24 23 22 21
100k
T2
×1
NR
OFF/B
BIAS
MS MODE
20 MSMODE
19 DRSW
18 TAPESW
MUTE
TAPE EQ
FWD/RVS
VCC
LPF
17 MUTESW
NR MODE 16 NRSW
15
MS ON/
OFF
DET
14
NC
MSOUT
× 1 T1
100k
F3
OFF/B
NR
13 MSTC
12 G1FB
11 G2FB
4 5 6 7 8 9 10
–2–


Part Number CXA2560Q
Description Dolby B Type Noise Reduction System with Playback Equalizer Amplifier
Maker Sony Corporation
Total Page 19 Pages
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