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Sony Semiconductor Electronic Components Datasheet

CXA2586 Datasheet

PDIC for CD-ROM/DVD-ROM

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PDIC for CD-ROM/DVD-ROM
CXA2586M
Description
CXA2586M is a PDIC (photodetector IC)
developed as a photodetector for the optical pickup
of CD-ROM/DVD-ROM.
The photodiode and circuit blocks operate at high
speed. (Typ. 100MHz)
PD-S-19-B (Plastic)
Focus servo : astigmatic method
Tracking servo (CD)
: three-spot method
Tracking servo (DVD)
: differential phase detection method
Features
High-speed I-V amplifier
(current-voltage conversion circuit)
High-speed photodiode
Adding amplifier (addition of A to D)
Compact transparent molded package (SOP)
Applications
Optical pickup for CD-ROM/DVD-ROM
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC 5.5 V
Operating temperature Topr 10 to +70 °C
Storage temperature Tstg 40 to +100 °C
Allowable power dissipation
PD 300 mW
Operating Conditions
Supply voltage1
Supply voltage2
VCC 4.5 to 5.5 V
VC 1.5 to VCC1.5 V
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
Fo VCC VC GND Eo
10 9 8 7 6
Ao Bo Co Do
VREF
12345
Do Ao RF Bo Co
The components marked by A, B, C, D, E and F are the photodiodes
(photo sensitivity. About 0.4A/W @650nm, 780nm)
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—
E99430B01


Sony Semiconductor Electronic Components Datasheet

CXA2586 Datasheet

PDIC for CD-ROM/DVD-ROM

No Preview Available !

Pin Description
Pin No. Symbol
I/O
2 Ao
4 Bo
O
1 Co
5 Do
CXA2586M
Equivalent circuit
2
4
5
1
Description
Output of voltage signals converted
from optical signals
6 Eo
O
10 Fo
6 300
10 200µA 37k
37k
VC
Output of voltage signals converted
from optical signals
3 RF O
3
7
GND
I
8 Vc I
8
9
VCC
I
Output of addition of Ao to Do
7k
For dual power supply
: negative power supply
For a single power supply
: GND
For dual power supply
: GND
For a single power supply
: center voltage input
Positive power supply
2


Part Number CXA2586
Description PDIC for CD-ROM/DVD-ROM
Maker Sony Corporation
Total Page 8 Pages
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