adl-78901tx Roithner LaserTechnik GmbH, adl-78901tx Datasheet
adl-78901tx
Manufacturer Part Number
adl-78901tx
Description
Infrared Laser Diodes
Manufacturer
Roithner LaserTechnik GmbH
Datasheet
1.ADL-78901TX.pdf
(2 pages)
AlGaAs
★780nm CW 90mW 75
★Pulse 200mW for 40X CD-R/RW OPU
•
•
•
* Pulse width 0.5us, duty cycle 50%
• Electrical and optical characteristics (T
Peak wavelength
Threshold current
Operating current
Operating voltage
Differential efficiency
Parallel divergence angle
Perpendicular divergence angle
Parallel FFP deviation angle
Perpendicular FFP deviation angle
Emission point accuracy
1. Do not operate the device above the maximum rating condition, even momentarily. It may cause unexpected permanent damage to the device.
2. Semiconductor laser device is very sensitive to electrostatic discharge. High voltage spike current may change the characteristics of the device, or malfunction at any time during
3. Effective heat sink can help the device operates under a more relax condition; as a result, a more stable characteristics and better reliability can be achieved. So it is
4. Do not look into the laser beam directly by bare eyes. The laser beam may cause severe damage to human eyes.
Features
Applications
Absolute maximum ratings
Light output power
Reverse voltage(LD)
Case temperature
Storage temperature
Precautions
its service period. Therefore, proper measures for preventing electrostatic discharge are strongly recommended.
recommended that always apply proper heat sink before the device is operating.
1. Low operating current
2. Small aspect ratio
3. High COD level
1. Virtual keyboard
2. 40X CD-R/RW optical pick up
3. Combo drive optical pick up
Parameter
Parameter
Infrared Laser Diode
Symbol Condition
Pop
V
P
T
T
RL
O
C
S
o
Pulsed*
C Reliable Operation!
Δ x Δ y Δ z
Symbol
CW
Δθ
Δθ
-
-
-
θ
V
θ
λ
I
η
I
op
th
op
⊥
//
⊥
//
-10~+75
-40~+85
Rating
c
100
180
=25
Min.
775
2
1.5
0.8
25
90
15
8
-
-
-
o
C)
Unit
mW
o
o
V
Typ.
C
C
785
115
1.1
35
17
2
9
-
-
-
ADL-78901TX
Max.
795
160
± 80
2.2
1.3
55
10
19
± 2
± 2
mW/mA
Unit
deg
deg
deg
deg
mA
mA
nm
um
V
P
P
P
o
o
o
=90mW
=88-90mW
=90mW
Conditions
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adl-78901tx Summary of contents
Page 1
... I 90 115 η 0.8 1.1 θ θ ⊥ Δθ Δθ ⊥ Δ x Δ y Δ ADL-78901TX Max. Unit Conditions 795 =90mW o 160 mA 2.2 V 1.3 mW/mA P =88-90mW o 10 deg 19 deg ± =90mW deg o ± 2 deg ± ...
Page 2
... Temperature ( ) Temperature ( ) 25 ℃ 25 ℃ 75 ℃ 75 ℃ 100 90 100 ℃ ℃ ℃ ℃ ADL-78901TX ADL-78901TX 3.0 3.0 2.5 2.5 25 ℃ 25 ℃ 2.0 2.0 1.5 1.5 1.0 1.0 0.5 0.5 0.0 0 100 120 140 160 ...