KODENSHI KOD-1081

Photo diode IC
KOD-1081
Features
DIMENSIONS
Full CMOS Seven Channel, Integrated High Speed
(Unit :
)
Photodiodes and Current to Voltage Transimpedance
Amplifiers
Four High Speed( 55/35MHz typ) Data Channels (A1/a1 ~ A4/a4)
Two Low Speed Tracking Channels (E, F)
High PD Sensitivity Optimized for DVD/CD Applications
with Red Laser Diode ( =650
with IR Laser Diodes ( =780
) and for CD Applications
)
Applications
CD-R/CD-RW Pick-up
DVD-ROM / CD-ROM Drivers
Absolute Maximum Ratings
Description
[Ta = 25
Symbol
Ratings
Condition
Power Supply Voltage
Vcc
4.5 ~ 5.5 V
-
Output Voltage
Vo
Vcc + 0.5 V
-
Soldering Temperature
Tsol
Storage Temperature
Tstg
260
- 30 ~ + 85
-
Electro-Optical Characteristics
Parameter
[Ta = 25
Symbol
Characteristics
Condition
Output Offset Voltage
Voff
±15mV
VA1/a1 ~ VA4/a4
Output Offset Voltage Difference
Voff
±25mV
VA1/a1 ~ VA4/a4
Sensitivity
Vo
Cutoff Frequency
fc
Maximum Output Voltage
Vomax
Output Noise Level
Vn
Operating Temperature Range
MIN 23.0 mV/
=650nm , Va1 ~ Va4
MIN 29.0 mV/
=780nm , VA1 ~ VA4
TYP 55 MHz
=650nm , Va1 ~ Va4
TYP 35 MHz
=780nm , VA1 ~ VA4
MIN 3.8V
VA1/a1 ~ VA4/A4
TYP -81dBm
-20 ~+75
Topr
1/2
]
VA1/a1 ~ VA4/A4
-
]
Photo diode IC
KOD-1081
Block Diagram
Detecting Pattern of Photo Diode
Unit:
2/2