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PDF EL6204 Data sheet ( Hoja de datos )
| Número de pieza | EL6204 | |
| Descripción | Laser Driver Oscillator | |
| Fabricantes | Intersil | |
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DATASHEET
Laser Driver Oscillator
EL6204
The EL6204 is a push-pull oscillator used to reduce laser noise.
It uses the standard interface to existing ROM controllers. The
frequency and amplitude are each set with a separate resistor
connected to ground. The tiny package and harmonic
reduction allow the part to be placed close to a laser with low
RF emissions. An auto turn-off feature allows it to easily be
used on combo CD-RW plus DVD-ROM pickups.
If the APC current is reduced such that the average laser
voltage drops to less than 1.1V, the output and oscillator are
disabled, reducing power consumption to a minimum.
The current drawn by the oscillator consists of a small utility
current, plus the peak output amplitude in the positive cycle. In
the negative cycle the oscillator subtracts peak output
amplitude from the laser APC current.
The EL6204 part is available in the space-saving 6 Ld SOT-23
package and is specified for operation from 0°C to +70°C.
Features
• Low power dissipation
• User-selectable frequency from 60MHz to 600MHz
controlled with a single resistor
• User-specified amplitude from 10mAP-P to 100mAP-P
controlled with a single resistor
• Auto turn-off threshold
• Soft edges for reduced EMI
• Small 6 Ld SOT-23 package
Applications
• DVD players
• DVD-ROM drives
• CD-RW drives
• MO drives
• General purpose laser noise reduction
• Local oscillators
IOUT 1
VDD 2
GND1 3
DRIVER
OSCILLATOR
AUTO SHUT-OFF
REFERENCE AND
BIAS
FIGURE 1. BLOCK DIAGRAM
6 RFREQ
5 GND2
4 RAMP
October 28, 2015
FN7219.3
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2004-2007, 2015. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
1 page  
EL6204
Driver Characteristics VDD = +5V, TA = +25°C, RL = 10Ω, RFREQ = 30.5kΩ (FOSC = 60MHz), RAMP = 2540Ω (IOUT = 50mAP-P measured
at 60MHz), VOUT = 2.2V. (Continued)
PARAMETER
DESCRIPTION
TEST CONDITIONS
MIN MAX
(Note 7) TYP (Note 7) UNIT
tON Auto Turn-on Time
Output voltage step from 0V to 2.2V
15
tOFF Auto Turn-off Time
Output voltage step from 2.2V to 0V
0.5
IOUTN
Output Current Noise Density
RFREQ = 5210Ωmeasured at 10MHz
2.5
NOTE:
7. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
µs
µs
nA/Hz
IOUT Control
VOUT
Less than VCUTOFF
More than VCUTOFF
Typical Performance Curves
otherwise specified.
500
TYPICAL
PRODUCTION
400 DISTORTION
300
200
100
0
IOUT
OFF
Normal Operation
VDD = 5V, TA = 25°C, RL = 10Ω, RFREQ = 5.21kΩ, RAMP = 2.54kΩ, VOUT = 2.2V unless
8
MEASURED FROM
7 -40°C TO +85°C
6
5
4
3
2
1
0
FREQUENCY (MHz)
FIGURE 3. FREQUENCY DISTRIBUTION
FREQUENCY TC (ppm/°C)
FIGURE 4. FREQUENCY DRIFT WITH TEMPERATURE
700
600
500
400
300
200
100
0
0
FREQUENCY = 1824*1kΩ/RFREQ (MHz)
5 10 15 20 25 30
RFREQ (kΩ)
FIGURE 5. FREQUENCY vs RFREQ
35
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5
700
FREQUENCY = 1824*1kΩ/RFREQ (MHz)
600
500
400
300
200
100
0
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
1kΩ / RFREQ
FIGURE 6. FREQUENCY vs 1/RFREQ
FN7219.3
October 28, 2015
5 Page 
EL6204
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to the web to make sure that
you have the latest revision.
DATE
REVISION
CHANGE
October 28, 2015
FN7219.3
Added Rev History beginning with Revision 3.
Updated entire datasheet applying Intersil’s new standards.
Removed obsolete parts EL6204CW-T7 AND EL6204CW-T7A
ordering information on page 3 - updated PKG DWG from MDP0038 to P6.064A, added MSL note and part
marking note.
Added Tja and Tjc in “Thermal Information” on page 4 and corresponding notes.
Added Note 7 on page 5 to MIN and MAX in Electrical Spec Tables and corresponding note.
Changed POD MDP0038 to P6.064A
About Intersil
Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products
address some of the largest markets within the industrial and infrastructure, mobile computing and high-end consumer markets.
For the most updated datasheet, application notes, related documentation and related parts, please see the respective product
information page found at www.intersil.com.
You may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask.
Reliability reports are also available from our website at www.intersil.com/support
For additional products, see www.intersil.com/en/products.html
Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
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FN7219.3
October 28, 2015
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet EL6204.PDF ] | |
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