EL6291CY Datasheet PDF - Elantec Semiconductor
| Part Number | EL6291CY | |
| Description | Laser Diode Driver with Waveform Generator | |
| Manufacturers | Elantec Semiconductor | |
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EL6291C - Product Brief
Laser Diode Driver with Waveform Generator
Features
• Complete programmable laser
diode driver
• 250mA maximum output
• 8bit x 8bit multiplying DAC output
provides 8bit full scale adjustment
and 8bit resolution at any full scale
output
• 0.17 nsec timer resolution
• Two laser outputs allows
read/write DVD and CD
combinations
• Programmable waveform values
support 2.6GB DVD-RAM, 4.7GB
DVD-RAM, DVD-R, DVD+RW,
DVD-RW, CD-RW, and CD-R
• Analog input supports APC
• HFM oscillator programmable to
100mAP-P from 200MHz to
600MHz
• PLL allows reduced-frequency
clock on flex cable
• Separate serial input works up to
25Mb/sec
Applications
• Combination DVD writable and
CD writable drives
• DVD camcorders
• DVD video recorders
Ordering Information
Part No
EL6291CY
EL6291CL
Temp. Range
0°C to +70°C
0°C to +70°C
Package
32-Pin QFN
32-Pin LPP
Outline #
MDP0045
MDP0046
General Description
The EL6291C is a highly integrated laser diode driver designed to sup-
port multi-standard writable optical drives. It accomplishes this by
incorporating a waveform generator wherein the diode currents and
timing details can be programmed before operation. The data input cir-
cuitry inspects the NRZ serial data waveform and generates
programmed waveforms in recognition of 3, 4, 5, or 6 or more clock
periods of space changing to 3, 4, 5, or 6 or more clock periods of
mark, and vice versa.
This programmable architecture allows reprogramming of the timers
to support different media, DVD or CD standards, and different
speeds. The programming is accomplished through a serial interface
port. Two outputs are provided to support dual-laser multi-standard
optical heads.
The EL6291C requires 3.3V and 5V supplies, with all the logical
interface operating on the 3.3V supply.
The EL6291C is available in 32-pin LPP and 32-pin QFN packages
for improved thermal performance and reduced footprint.
Connection Diagram
CLK 1
NRZ 2
VSL 3
GND 4
GND 5
NC 6
VSL 7
VSA 8
RFREQ 9
Thermal Pad
25 VSO
24 OUT1
23 OUT1
22 GND
21 VSO
20 VSO
19 OUT2
18 OUT2
17 VSO
32-Pin LPP Top View
Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these
specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.
© 2001 Elantec Semiconductor, Inc.
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for EL6291CY electronic component. |
| Information | Total 2 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ EL6291CY.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| EL6291C | The function is Laser Diode Driver with Waveform Generator. Elantec Semiconductor | |
| EL6291CL | The function is Laser Diode Driver with Waveform Generator. Elantec Semiconductor | |
| EL6291CY | The function is Laser Diode Driver with Waveform Generator. Elantec Semiconductor | |
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