ZL40539

ZL40539 Dual Output CD and DVD www.DataSheet4U.com 4 Channel Laser Diode Driver Data Sheet Features Pin compatible with EL6839 Dual output for CD/DVD laser LVDS control signal, internal 100 ohms Rise time 1.0 ns, Fall time 1.1 ns typical Low noise read channel with gain of 100x to 150 mA Channel 2 gain of 250x to 550 mA Channel 3 gain of 150x to 500 mA Channel 4 gain of 100x to 450 mA Combined total output current 700 mA On-chip oscillator with frequency and amplitude control by external resistors Oscillator frequency to 575 MHz, amplitude to 100 mA pk to pk Power Up/Down control > 2 kV ESD Single 5 V supply (±10%) EN4 P/N ENRB EN2 P/N February 2005 Ordering Information ZL40539LCG Trays/Bake/Dry Pack ZL40539LCF Tape/Reel Bake/Dry Pack 0 ° C to +70° C 32-pin QFN package Applications EN3 P/N DVD±RW/RAM DVD±R CD-RW CD-R Write optical drives Laser Diode current switch Supports double density DVD Enable INR Chip Enable/Power VCC_A IN2 OUTA GND IN3 OUTB IN4 VCC_B RFA RFB RSA RSB OSCEN SELA Figure 1 - ZL40539 Block Diagram 1 Zarlink Semiconductor Inc. Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright 2004-2005, Zarlink Semiconductor Inc. All Rights Reserved. ZL40539 Data Sheet www.DataSheet4U.com Figure 2 - Pinout for 5 x 6 mm 32 pin QFN (top view) Description The ZL40539 is a high performance laser diode driver capable of driving two separate cathode grounded laser diodes (e....