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Part Number: EL6280C
Description: The EL6280C is a combination read + 3 write level laser driver and IV amplifier, with an extra read + oscillator ROM...
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EL6280C
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DataSheet
General Description
EL6280C General Description
The EL6280C is a combination read + 3 write level laser driver and IV amplifier, with an extra read + oscillator ROM channel for use in dual-laser 'Combo' drivers. A separate (amplitude and frequency) oscilla-tor modulates the selected output for laser noise reduction during read or write. All these functions are provided in a 24 lead QSOP package.
The CD pin when high selects the CD (write) laser. Positive current supplied to the IIN lines, through a user selected resistor, allow the full scale range of each amplifier to be matched to the full scale range of the users control DACs. When the write laser is selected, and the WEN pins are switched low, the respective current is summed to the output with 1ns rise and fall times. Write channel 2 has 200mA output capability with an 200X gain amplifier.
The 100mAP-P (max) oscillator is switched on and off by the OSCEN line. The CD line allows the oscillator to operate at different ampli-tudes and frequencies for each laser.
The entire chip is powered down when ENABLE is low. The user can define the gain of the I/V amplifier. With a slew rate of 200V/s, the I/V amplifier can normally settle to 1% within 30ns.
EL6280C Features
* Read + 3Write Channel laser driver with oscillator and fast I/V amplifier plus a separate ROM laser driver with oscillator
* 200V/s I/V amplifier
* 100X gain, 100mA low noise read channel
* 200X gain, 200mA write channel plus two 100X gain, 100mA write channels
* 500MHz, 100mAP-P Oscillator
* Write Rise/Fall times = 0.8ns
* Single +5V supply
* 200V/s I/V amplifier
* 100X gain, 100mA low noise read channel
* 200X gain, 200mA write channel plus two 100X gain, 100mA write channels
* 500MHz, 100mAP-P Oscillator
* Write Rise/Fall times = 0.8ns
* Single +5V supply
EL6280C Typical Application
* Combo CD-RW + DVD-ROM
* CD-RW to 16X
* CD-R to 32X
* Writable Optical Disk Drives
* CD-RW to 16X
* CD-R to 32X
* Writable Optical Disk Drives
EL6280C Connection Diagram
EL6280C
PDF/DataSheet Download
- Datasheet: EL6280C
- File Size: 140028 KB
- Manufacturer: ELANTEC [Elantec Semiconductor]
- Click here to Download
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