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Part Number: EL6203
Description: The EL6203 is a push-pull oscillator used to reduce laser noise. It uses the standard interface to existing ROM cont...
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EL6203
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DataSheet
General Description
EL6203 General Description
The EL6203 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 pick-ups.
One external resistor sets the oscillator frequency. Another external resistor sets the oscillator amplitude. 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 bias 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.
This part is pin-compatible to the EL6201. It is superior to the EL6201 in several ways: It has up to 100mA output capability, it is more power-efficient, it has less harmonic content, and it has an auto shut-off feature activated at 1.1V.
The part is available in the space-saving 5-pin SOT-23 package. It is specified for operation from 0°C to +70°C.
EL6203 Maximum Ratings
Voltages Applied to:
VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . -0.5V to +6.0V
IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. . . . . -0.5V to +6.0V
RFREQ , R AMP. . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . -0.5V to +6.0V
Operating Ambient Temperature Range . . . . . . .. . . 0°C to +70°C
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . .+150°C
Storage Temperature Range. . . . . . . . . . . . . .. . .-65°C to +150°C
Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mAPK-PK
Power Dissipation (max) . . . . . . . . . . . . . . . . . . . . . . . . See Curves
VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . -0.5V to +6.0V
IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. . . . . -0.5V to +6.0V
RFREQ , R AMP. . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . -0.5V to +6.0V
Operating Ambient Temperature Range . . . . . . .. . . 0°C to +70°C
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . .+150°C
Storage Temperature Range. . . . . . . . . . . . . .. . .-65°C to +150°C
Output Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mAPK-PK
Power Dissipation (max) . . . . . . . . . . . . . . . . . . . . . . . . See Curves
EL6203 Features
* Low power dissipation
* User-selectable frequency from 60MHz to 600MHz controlled with a single resistor
* User-specified amplitude from 10mA PK-PK to 100mAPK controlled with a single resistor
* Auto turn-off threshold
* Soft edges for reduced EMI
* Small 5-pin SOT-23 package
* Pb-free available as an option
* User-selectable frequency from 60MHz to 600MHz controlled with a single resistor
* User-specified amplitude from 10mA PK-PK to 100mAPK controlled with a single resistor
* Auto turn-off threshold
* Soft edges for reduced EMI
* Small 5-pin SOT-23 package
* Pb-free available as an option
EL6203 Typical Application
* DVD players
* DVD-ROM drives
* CD-RW drives
*MO drives
* General purpose laser noise reduction
* DVD-ROM drives
* CD-RW drives
*MO drives
* General purpose laser noise reduction
EL6203 Connection Diagram
EL6203
PDF/DataSheet Download
- Datasheet: EL6203
- File Size: 173526 KB
- Manufacturer: INTERSIL [Intersil Corporation]
- Click here to Download
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