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EL6250C Datasheet

Part NameDescriptionManufacturer
EL6250C Split Supply Laser Driver and Oscillator ELANTE-ElectronicC
Elantec -> Intersil ELANTE-ElectronicC
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General Description
The EL6250C is a split supply, four channel laser diode current amplifier that provides controlled current to a grounded laser diode. Channels 2, 3, and 4 must be used as the write channels, with switching speeds of approximately two nanoseconds rise/fall time. All four channels are summed together at the IOUT output, allowing the user to create multilevel waveforms in order to optimize laser diode performance. The level of the output current is set by an analog voltage applied to an external resistor which converts the voltage into a current at pin IIN. The current seen at this pin is then amplified to become a current source at pin IOUT.

Features
• Split Supply for Blue Laser diode capability
• High-performance laser diode driver
• Voltage-controlled output current source to 150mA per channel, requiring one external set resistor per channel
• Current-controlled output current source to 150mA per channel
• Rise time = 2.0ns
• Fall time = 2.0ns
• On chip oscillator with frequency and amplitude control by use of external resistors to ground
• Oscillator to 500MHz
• Oscillator to 100mA pk/pk
• Single +5V supply (±10%)
• Disable feature for power-up protection and power savings
• CMOS control signals

Applications
• Writable optical drives
• Laser diode current switching
• General blue laser usage

 

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