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EL6238 - Dual 4 Channel Driver

Description

only.

Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice.

Accordingly, the reader is cautioned to verify that data sheets are current before placing orders.

Features

  • Two channels for CD or DVD.
  • Voltage-controlled output current source requiring one external set resistor per channel.
  • Rise time = 0.8ns.
  • Fall time = 0.8ns.
  • Channel 2 to 250mA max.
  • Channel 3 to 150mA max.
  • Channel 4 to 100mA max.
  • On chip oscillator with frequency and amplitude control by use of external resistors to ground.
  • Oscillator frequency to 600MHz.
  • Oscillator amplitude to 100mAP-P.
  • Single +.

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    Full PDF Text Transcription

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    ® EL6238 www.DataSheet4U.com Data Sheet July 25, 2003 FN7353 Dual 4 Channel Driver with Oscillator The EL6238 is a high performance, dual output, laser driver for writeable ‘super-combo’ CD - DVD drive. The ENA pin enables the chip, while the SEL1 pin selects the IOUT pin. Various waveforms can be generated where the amplitude is determined by the currents flowing into IINR, IIN2, IIN3, and IIN4. The timing is determined by the signals at OUTEN2, OUTEN3, and OUTEN4. The oscillator is enabled when OSCEN is high. The amplified IINR current of the selected channel is enabled when the ENA pin is high. The total output current is the sum of the read current, the enabled write currents, and the oscillator current when enabled.
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