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Sony Semiconductor Electronic Components Datasheet

CXA2509AQ Datasheet

Playback Equalizer Amplifier with Music Sensor

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CXA2509AQ
Playback Equalizer Amplifier with Music Sensor
Description
The CXA2509AQ is an IC designed for use in car
stereo cassette decks. Functions include 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 (CXA2511AQ) and Dolby B type NR
system (CXA2510AQ)
Playback equalizer amplifier and music sensor 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
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–
E96826-PS


Sony Semiconductor Electronic Components Datasheet

CXA2509AQ Datasheet

Playback Equalizer Amplifier with Music Sensor

No Preview Available !

Block Diagram and Pin Configuration
CXA2509AQ
30 29 28 27 26 25 24 23 22 21
PBFB2 31
120µ/70µ
24dB
20 MSMODE
PBRIN2 32
PBREF2 33
PBFIN2 34
F2
VCT 35
PBGND 36
VCT
PBFIN1 37
PBREF1 38
F1
PBRIN1 39
T2
×1
NR BIAS
TAPE/AUX
TAPE EQ
FWD/RVS
VCC
LPF
× 1 T1
F3
MS MODE
19 DRSW
18 TAPESW
17 INSW
16 NC
15 NC
MS ON/
OFF
DET
14 MSOUT
13 DGND
12 MSTC
PBFB1 40
1
120µ/70µ
234
56
24dB
11 G1FB
7 8 9 10
–2–


Part Number CXA2509AQ
Description Playback Equalizer Amplifier with Music Sensor
Maker Sony Corporation
Total Page 21 Pages
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