General Description

The MAX9483/MAX9484 high-performance, multimode,

laser-diode drivers (LDDs) are designed for CD and

DVD combination pickup heads. The drivers consist of

three input channels, an RF oscillator, and two preci-

sion current-amplifier outputs to drive the CD and DVD

laser diodes. The MAX9483/MAX9484 support multiple

CD and DVD read/write standards, such as CD-R/RW,

DVD-R, DVD+R, DVD-RW, DVD+RW, and DVD-RAM by

choosing the writing control signals and input currents

on these input channels. The peak total output current

is 400mA with a current gain of 100 at each channel.

External resistors set the oscillation frequency and out-

put swing. The MAX9484 features an extra resistor

input allowing the oscillation frequencies of the two out-

puts to be set separately. Additionally, the MAX9484

allows the writing control signals to be received in low-

voltage differential signal (LVDS) mode or single-ended

mode to provide reliable high-speed writing.

The MAX9483 is offered in 16-pin QSOP and 4mm x 4mm

16-pin thin QFN packages. The MAX9484 is offered in a

4mm x 4mm 20-pin thin QFN package. Both devices are

specified for 4.5V to 5.5V supply and 0°C to +70°C tem-

perature range.

Applications

Laser Diode Driver for CD-RW and DVD

Combos: CD-R/RW, DVD-R, DVD+R, DVD-RW,

DVD+RW, DVD-RAM

DVD Video Recorders

High-Power and High-Speed Laser-Writable

Device Drivers

Features

♦ Dual Output Ports with Three Controlled-Current

Channels

♦ Support Various Laser-Diode Driver Standards

CD-R/RW, DVD-R, DVD+R, DVD-RW, DVD+RW,

DVD-RAM, and DVD Video

♦ MAX9483 is Pin and Function Compatible

with ATMEL T0806

♦ Independent Frequency Setting for the

Two Output Ports (MAX9484)

♦ Accepts Differential (LVDS) or Single-Ended

Inputs for Writing Data (MAX9484)

♦ Enable Control

♦ High-Current Swing Up to 270mA for the Reading

Current

♦ High 400mA Total Peak Writing Current

♦ Adjustable Modulation Frequency from 100MHz

to 600MHz

♦ Fast Output-Current Pulse Rise and Fall Time

1.0ns (typ)

♦ 4.5V to 5.5V Single-Supply Voltage

♦ No External Reference Clock Required

♦ 0°C to +70°C Commercial Temperature Range

Dual-Output, Multimode

CD-RW/DVD Laser-Diode Drivers

________________________________________________________________ Maxim Integrated Products

1

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

IN1

OUT1

GND

OUT2

OUTSEL

TOP VIEW

MAX9483

QSOP

IN2

IN3

NE3

NE2

ENABLE

ENOSC

Pin Configurations

Ordering Information

19-3265; Rev 0; 5/04

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Pin Configurations continued at end of data sheet.

PART

TEMP RANGE

PIN-PACKAGE

MAX9483CEE

0°C to +70°C

16 QSOP

MAX9483CTE*

0°C to +70°C

16 Thin QFN

MAX9484CTP

0°C to +70°C

20 Thin QFN

*Future product—contact factory for availability.