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Description : 3-Channel Laser Diode Driver + Oscillator

3-Channel Laser Diode Driver + Oscillator

The EL6216 is a high-performance three channel Laser Driver that provides controlled current to a grounded Laser Diode. Write channels 2 and 3 should be used as the write channels, with switching speeds of approximately one nanosecond rise/fall time. All three 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 the IIN pin (virtually ground). The current seen at this pin is then amplified to become a current source at pin IOUT.

Features
• Voltage-controlled output current source requiring one external set resistor per channel
• Rise time = 0.8ns
• Fall time = 0.8ns
• On chip Oscillator with frequency and amplitude control by use of external resistors to ground
Oscillator to 500MHz
Oscillator to 100mAPK/PK
• Single +5V supply (±10%)
• Disable feature for power-up protection and power savings

Applications
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6277CU EL6277C
Elantec -> Intersil
Elantec -> Intersil
Description : 3-Channel Laser Diode Driver + Oscillator

General Description
The EL6277C is a high-performance three channel Laser Diode current Driver that provides controlled current to a grounded Laser Diode. Channel R and 2 can provide 100mA per channel of DC or pulsed current, while channel 3 can provide 200mA per channel. Channels 2, and 3 must be used as the write channels, with switching speeds of approximately three nanosecond rise/fall time.

Features
• Ultra-Small Package Outline
• High-performance Laser Diode Driver
• Current-controlled output current source, 100 mA channel R and 2, 200mA channel 3, requiring one external set resistor per channel
• Rise time = 3.0 ns
• Fall time = 3.5ns
• On chip Oscillator with frequency and amplitude control by use of external resistors to ground
Oscillator to 500 MHz
Oscillator to 100 mA pk/pk
• Single +5V supply (±10%)
• Current amplification = 100
• Disable feature for power-up protection and power savings
• TTL/CMOS control signals

Application
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6277C EL6277CU
Elantec -> Intersil
Elantec -> Intersil
Description : 3-Channel Laser Diode Driver + Oscillator

General Description
The EL6277C is a high-performance three channel Laser Diode current Driver that provides controlled current to a grounded Laser Diode. Channel R and 2 can provide 100mA per channel of DC or pulsed current, while channel 3 can provide 200mA per channel. Channels 2, and 3 must be used as the write channels, with switching speeds of approximately three nanosecond rise/fall time.

Features
• Ultra-Small Package Outline
• High-performance Laser Diode Driver
• Current-controlled output current source, 100 mA channel R and 2, 200mA channel 3, requiring one external set resistor per channel
• Rise time = 3.0 ns
• Fall time = 3.5ns
• On chip Oscillator with frequency and amplitude control by use of external resistors to ground
Oscillator to 500 MHz
Oscillator to 100 mA pk/pk
• Single +5V supply (±10%)
• Current amplification = 100
• Disable feature for power-up protection and power savings
• TTL/CMOS control signals

Application
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6270C EL6270CU
Elantec -> Intersil
Elantec -> Intersil
Description : Laser Driver with Ocillator and APC

General Description
The EL6270C is a high-performance single channel Laser Diode power regulator and Oscillator for a grounded cathode Laser Diode and photoDiode system. The EL6270C’s APC (Automatic Power Controller) will set the average Laser Diode input current for a desired average photoDiode output current. The APC can provide up to 100 mA of DC current.

Features
• Low output noise = 4.0nA/rt-Hz
• High-performance Laser Diode Driver
• Pin compatible with EL6257
• Voltage-controlled output current source to 150 mA per channel, requiring one external set resistor per channel
• Current-controlled output current source to 150 mA per channel
• Rise time = 1.0 ns
• Fall time = 1.1 ns
• On chip Oscillator with frequency and amplitude control by use of external resistors to ground
Oscillator to 500 MHz
Oscillator to 100 mA pk/pk
• Single +5V supply (±10%)
• Disable feature for power-up protection and power savings
• TTL/CMOS control signals

Applications
• DVD-RAM high speed drives
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Description : 3-Channel Laser Diode Driver w/ Oscillator

3-Channel Laser Diode Driver w/ Oscillator

The EL6224 is a high performance three-channel Laser Driver that provides controlled current to a grounded Laser Diode. Channels 2 and 3 should be used as the write channels, with switching speeds of approximately one nanosecond rise/fall time. All three 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 the IIN pin (virtually ground). The current seen at this pin is then amplified to become a current source at pin IOUT.

Features
• "Shrink-Small" outline package
• Voltage-controlled output current source requiring one external set resistor per channel
• Current-controlled output current source
• CH2 to 300mA max
• CH3 to 150mA max
• Rise time = 0.8ns
• Fall time = 0.8ns
• On-chip Oscillator with frequency and amplitude control by use of external resistors to ground
Oscillator to 600MHz
Oscillator to 100mAPK/PK
• Single +5V supply (±10%)
• Disable feature for power-up protection and power savings

Applications
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6257C EL6257CU
Elantec -> Intersil
Elantec -> Intersil
Description : 4-Channel Laser Diode Driver + Oscillator

General Description
The EL6257C is a high-performance four channel Laser Diode current amplifier that provides controlled current to a grounded Laser Diode.

Features
• High-performance Laser Diode Driver
• Voltage-controlled output current
   source to 150 mA per channel,
   requiring one external set resistor
   per channel
• Current-controlled output current
   source to 150 mA per channel
• Rise time = 1.0 ns
• Fall time = 1.1 ns
• On chip Oscillator with frequency
   and amplitude control by use of
   external resistors to ground
Oscillator to 500 MHz
Oscillator to 100 mA pk/pk
• Single +5V supply (±10%)
• Current amplification = 100
• Disable feature for power-up
   protection and power savings
• TTL/CMOS control signals

Applications
• DVD drives
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6258CU EL6258C
Elantec -> Intersil
Elantec -> Intersil
Description : 3-Channel Laser Driver + Oscillator + APC Amplifier

General Description
The EL6258C is a high-performance three channel Laser Diode current amplifier that provides controlled current to a grounded Laser Diode. Channels 2 and 3 must be used as the write channels, with switching speeds of approximately one nanosecond rise/fall time.

Features
• High-performance Laser Diode Driver
• Voltage-controlled output current source requiring one external set resistor per channel
• Current-controlled output current source
• Rise time = 1.0ns
• Fall time = 1.1ns
• 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%)
• Current amplification = 100
• Disable feature for power-up protection and power savings
• TTL/CMOS control signals
• Fast settling APC amplifier

Applications
• DVD drives
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6258C EL6258CU
Elantec -> Intersil
Elantec -> Intersil
Description : 3-Channel Laser Driver + Oscillator + APC Amplifier

General Description
The EL6258C is a high-performance three channel Laser Diode current amplifier that provides controlled current to a grounded Laser Diode. Channels 2 and 3 must be used as the write channels, with switching speeds of approximately one nanosecond rise/fall time.

Features
• High-performance Laser Diode Driver
• Voltage-controlled output current source requiring one external set resistor per channel
• Current-controlled output current source
• Rise time = 1.0ns
• Fall time = 1.1ns
• 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%)
• Current amplification = 100
• Disable feature for power-up protection and power savings
• TTL/CMOS control signals
• Fast settling APC amplifier

Applications
• DVD drives
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Description : 3-Channel Laser Diode Driver + Oscillator

3-Channel Laser Diode Driver + Oscillator

The EL6211 is a three-channel Laser Diode current amplifier that provides controlled current to a grounded Laser Diode. Channels 2 and 3 should be used as the write channels, with switching speeds of less than two nanoseconds rise/fall time. All three 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 the IIN pin (virtually ground).

Features
• “Shrink-Small” outline package
• Voltage-controlled output current source requiring one external set resistor per channel
• Current-controlled output current source
• Rise time = 1.6ns
• Fall time = 1.9ns
• On chip Oscillator with frequency and amplitude control by use of external resistors to ground
Oscillator to 500MHz
Oscillator to 100mAPK/PK
• Single +5V supply (±10%)
• Disable feature for power-up protection and power savings
• CMOS control signals

Applications
• CD-RW applications
• Writable optical drives
Laser Diode current switching

Part Name(s) : EL6204CW EL6204C
Elantec -> Intersil
Elantec -> Intersil
Description : Laser Driver Oscillator

General Description
The EL6204C 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.

Features
• Low power dissipation
• User-selectable frequency from 60MHz to 600MHz controlled with a single resistor
• User-specified amplitude from 10mA pk-pk to 100mA pk-pk controlled with a single resistor
• Auto turn-off threshold
• Soft edges for reduced EMI
• Small 6-pin SOT23 package

Applications
• DVD players
• DVD-ROM drives
• CD-RW drives
• MO drives
• General purpose Laser noise reduction
• Local Oscillators

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