(China (Mainland))
Product Summary
The EL6255ES is a high-performance four channel laser diode current amplifier. The EL6255ES provides controlled current to a grounded laser diode. The four amplifiers can provide up to 150mA per channel of DC or pulsed current. Channels 2, 3, and 4 must be used as the write channels, with switching speeds of one nanosecond 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 the IIN pin (virtually ground). The current seen at this pin is then amplified by 100X to become a current source at pin IOUT. The applications of the EL6255ES include DVD drives, CD-RW applications, Writable optical drives, Laser diode current switching.
Features
EL6255ES features: (1)Shrink-small package outline; (2)Voltage-controlled output current source to 150mA per channel,; (3)requiring one external set resistor per channel; (4)Current-controlled output current source to 150mA per channel; (5)Rise time = 1.0 ns; (6)Fall time = 1.1 ns; (7)On chip oscillator with frequency and amplitude control by use of external resistors to ground; (8)Oscillator to 500 MHz; (9)Oscillator to 100mA pk/pk; (10)Single +5V supply (±10%); (11)Current amplification = 100; (12)Disable feature for power-up protection and power savings; (13)TTL/CMOS control signals.
Diagrams
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EL6201 |
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EL6201C |
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EL6202 |
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EL6202C |
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EL6203 |
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