鈥?/div>
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 (鹵10%)
EN4
P/N ENRB
EN2
P/N
February 2005
Ordering Information
ZL40539LCG Trays/Bake/Dry Pack
ZL40539LCF Tape/Reel Bake/Dry Pack
0擄C to +70擄C
鈥?/div>
32-pin QFN package
Applications
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
EN3
P/N
DVD鹵RW/RAM
DVD鹵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.
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