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LT0H49T の電気的特性と機能
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LT0H49TのメーカーはSharpです、この部品の機能は「Compact Hologram Laser」です。 |
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製品の詳細 ( Datasheet PDF )
| 部品番号 LT0H49T |
| 部品説明 Compact Hologram Laser |
| メーカ Sharp |
ロゴ |
このページの下部にプレビューとLT0H49Tダウンロード（pdfファイル）リンクがあります。 Total 3 pages |
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Under development
New product
LT0H49L/T
Compact Hologram Laser
Compact Hologram Laser(3-beam) for 16X Speed CD-ROM Drive
Features
(1) Built-in high speed(TYP.30MHz) OPIC* for 16X
speed CD-ROM drive
(2) Enables to design compact pick-up thanks to
compact package (Thickness: 4.8mm)
(3) Voltage output type
(Needless of external noise solution)
(4) Low current operation type
(Operating current : TYP. 36mA)
Outline Dimensions
Hologram glass
Cap glass
ø8.2
0.25MIN.
0.25MIN.
ø 6.63
3.2
LD chip
Reference surface
(Unit:mm)
4.8
3.97
Applications
CD-ROM drives
Model Name
• LT0H49L----Single power supply
• LT0H49T----Dual power supply
10 -ø0.4
ø 8.2
P1.4X3=4.2
12 34
10 5
*OPIC: OPIC (Optical IC) is a trademark of the SHARP Corporation.
An OPIC consists of a light-detecting element and signal-processing circuit
integrated onto a single chip.
987 6
4.9
[Terminal connection]
D2 D3 D4 D1 D5
8 Vcc
4 VA
6 VB
2 VC
3 VE
7 VF
9 1/2Vcc
5 GND
10 LD
1 Monitor PD (LT0H49L)
1 Monitor PD (LT0H49T)
Model Name
(Tc=25˚C)
Parameter
Symbol Ratings Unit
*1 Optical power output
Reverse Laser
voltage Monitor photodiode
PH
VR
4.3 mW
2
30 V
OPIC supply voltage
*2 Operating temperature
*2 Storage temperature
*3 Soldering temperature
V CC
Topr
Tstg
Tsol
6
-10 to +70
-40 to +85
260(5s or less)
˚C
*1 Output power from hologram laser
*2 Case temperature
*3 At the position of 1.6mm from the
bottom face of resin package
(Notice) • In the absence of device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP d
shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP dev
• Specifications are subject to change without notice for improvement.
(Internet) • Data for Sharp's optoelectronic/power devices is provided for internet. ( Address http://www.sharp.co.jp/ecg/)
As of January 1997
Tec.970101
1 Page
LT0H49L/T
Electro-optical Characteristics*1
Parameter
Symbol
Focus error signal offsetting*2
Focus error balance*3
Radial error balance*4
RF output amplitude*5
V RF
Focus error signal output amplitude*6
Radial error signal output amplitude
Condition
VRF=0.55V
VRF=0.55V
PO=3.0mW
PO=3.0mW
VRF=0.55V
VRF=0.55V
MIN.
0.5
20
20
0.38
0.23
0.08
Vcc=5V,Tc=25
TYP. MAX. Unit
0.5 µ m
20 %
20 %
0.9 V p-p
0.35 0.47
0.12 0.16
V p-p
V p-p
VA,VB,VE,VF : Refer to pattern segment No.(Fig.1).
*1 Measuring method is shown below.
Laser
Driver
APC
C.L Actuator
Disk
(SONY:YEDS-18)
HL
NA=0.11
f=20.6mm
NA=0.50
f=4.5mm
Measuring method of electro-optical characteristics
*2 Distance between FES=0 and jitter Min. point
*3 (a - b) / (a + b)
A ( + amplitude of FES)
B ( - amplitude of FES)
*4 ( a - b )
2X(a+b)
GND
a ( + amplitude of RES )
b ( - amplitude of RES )
*5 Amplitude of VA + VB + 2VC, focus/radial servo is ON-state.
*6 VB-VA at focus rocking condition
*7 VE-VF under the condition that only focus servo is effected.
As of January 1997
Tec.970101
3Pages
合計 : 3 ページ |
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データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
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| 部品番号 | 部品説明 | メーカ |
| LT0H49L | Compact Hologram Laser | Sharp |
| LT0H49T | Compact Hologram Laser | Sharp |