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EL6270C Fiches technique(PDF) 1 Page - Elantec Semiconductor

No de pièce EL6270C
Description  Laser Driver with Ocillator and APC
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Fabricant  ELANTEC [Elantec Semiconductor]
Site Internet  http://www.elantec.com
Logo ELANTEC - Elantec Semiconductor

EL6270C Fiches technique(HTML) 1 Page - Elantec Semiconductor

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©2000 Elantec Semiconductor, Inc.
North America: 1-888-352-6832 X 311
Asia: +85-45-682-5820
Europe: +44-18-977-6020
Complete Product Specifications
Elantec Technical Support:
Features
• Low output noise = 4.0nA/rt-Hz
• High-performance laser diode
driver
• Pin compatible with EL6257
• Voltage-controlled output current
source to 150 mA per channel,
requiring one external set resistor
per channel
• Current-controlled output current
source to 150 mA per channel
• Rise time = 1.0 ns
• Fall time = 1.1 ns
• On chip oscillator with frequency
and amplitude control by use of
external resistors to ground
• Oscillator to 500 MHz
• Oscillator to 100 mA pk/pk
• Single +5V supply (±10%)
• Disable feature for power-up
protection and power savings
• TTL/CMOS control signals
Applications
• DVD-RAM high speed drives
• CD-RW applications
• Writable optical drives
• Laser diode current switching
Ordering Information
Part No
Temp. Range
Package
Outline #
EL6259CU
0°C to +70°C
QSOP-24
MDP0040
EL6270C - Product Brief
Laser Driver with Ocillator and APC
General Description
The EL6270C is a high-performance single channel laser diode power
regulator and oscillator for a grounded cathode laser diode and photo-
diode system. The EL6270C’s APC (Automatic Power Controller) will
set the average laser diode input current for a desired average photo-
diode output current. The APC can provide up to 100 mA of DC
current.
An on-chip programable oscillator is provided to allow current modu-
lation of the output laser current. Two external resistors control of
amplitude and frequency. The Oscillator can provide up to 100mA
pk/pk.
A disable function is included which reduces supply current to less
than 5µA.
Connection Diagram
1
2
3
4
8
7
6
5
8-Pin SOIC/MSOP-8
RAMP
RFREQ
CE
COMP
VS
IOUT
GND
LSI


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