
—1—
E99430B01
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operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
Absolute Maximum Ratings
(Ta=25
°
C)
Supply voltage
Operating temperature
Storage temperature
Allowable power dissipation
V
CC
Topr
Tstg
5.5
V
–
10 to +70
–
40 to +100
°
C
°
C
P
D
300
mW
Operating Conditions
Supply voltage1
Supply voltage2
V
CC
V
C
4.5 to 5.5
1.5 to V
CC
–
1.5
V
V
Structure
Bipolar silicon monolithic IC
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)
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
PDIC for CD-ROM/DVD-ROM
PD-S-19-B (Plastic)
CXA2586M
Block Diagram and Pin Configuration
1
2
3
4
5
6
8
9
10
7
Fo
V
CC
V
C
GND
VREF
Eo
Do
Ao
Ao Bo Co Do
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)