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PDF ZL40518 Data sheet ( Hoja de datos )
| Número de pieza | ZL40518 | |
| Descripción | 3 Channel Laser Diode Driver | |
| Fabricantes | Zarlink Semiconductor Inc | |
| Logotipo |  |
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ZL40518
3 Channel Laser Diode Driver
Data Sheet
Features
• Current-controlled Output Current source
• Output Current per Channel to 250 mA
• Total Output Current to 300 mA
• Rise Time 1.0 ns, Fall Time 1.1 ns
• On-chip RF Oscillator
• External Resistor Control of Oscillator Swing and
Frequency
• 200 to 500 MHz Oscillator Range
• 100 mA Maximum Oscillator Swing
• Single +5 V Power Supply (±10%)
• Low-power Consumption
• Common Enable, Disable Input
• TTL/CMOS control signals
• Small SS016 Package
October 2004
Ordering Information
ZL40518LDG SSO16 Tape and Reel
0°C to +70°C
Applications
• DVD R/RW
• CD R/RW
INR
/ENR
IN2
/EN2
IN3
/EN3
CH_R
CH_2
CH_3
VCC
IOUT
RF_freq
RF
RS
RF_mag
GND
OSCEN PWR_UP
Figure 1 - Functional Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2004, Zarlink Semiconductor Inc. All Rights Reserved.
1 page  
ZLE40518 Interconnect
ZL40518
Data Sheet
Figure 4 - ZLE40518 Application Board Electrical Interconnect
Application Diagram
ANALOG
INPUTS
INR
1
IN2
2
GND
3
RF
4
IN3
5
/ENR
4
/EN2
7
/EN3
8
VCC
VCC_IN
16
VCC
15
IOUT
14
GND
13
RS
12
PWR_UP
11
OSCEN
10
VCC
9
LASER
DIODE
DIGITAL
INPUTS
Figure 5 - Evaluation Board Circuit
5
Zarlink Semiconductor Inc.
5 Page 
Characteristic Curves
ZL40518
Data Sheet
800
700
600
500
400
300
200
2.00
3 .0 0
4 .0 0
5.00
6.00 7.00 8.00
RF (kOhm )
9.00 10.00
Figure 6 - Oscillator Frequency vs RF (RS=7.5 kΩ)
Vcc = 5 V, Temp = 25°C
1 1 .0 0
1 2 .0 0
120
100
80
60
40
20
0
2 3 4 5 6 7 8 9 10
RS (kOhms)
Figure 7 - Oscillator Swing vs RS (RF=7.5 Ω)
Vcc = 5 V, Temp = 25°C
11
Zarlink Semiconductor Inc.
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ZL40518.PDF ] | |
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