max9483cee-t Maxim Integrated Products, Inc., max9483cee-t Datasheet

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max9483cee-t

Manufacturer Part Number
max9483cee-t
Description
Dual-output, Multimode Cd-rw/dvd Laser-diode Drivers
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9483CEE-T.pdf (15 pages)
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.
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.
TOP VIEW
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
ENABLE
ENOSC
NE2
NE3
IN1
IN2
IN3
R
F
________________________________________________________________ Maxim Integrated Products
1
2
3
4
5
6
7
8
MAX9483
General Description
QSOP
Pin Configurations
16
15
14
13
12
11
10
9
Applications
V
OUT1
GND
R
R
OUT2
OUTSEL
V
CC
S1
S2
CC
CD-RW/DVD Laser-Diode Drivers
Dual-Output, Multimode
♦ Dual Output Ports with Three Controlled-Current
♦ Support Various Laser-Diode Driver Standards
♦ MAX9483 is Pin and Function Compatible
♦ Independent Frequency Setting for the
♦ Accepts Differential (LVDS) or Single-Ended
♦ Enable Control
♦ High-Current Swing Up to 270mA for the Reading
♦ High 400mA Total Peak Writing Current
♦ Adjustable Modulation Frequency from 100MHz
♦ Fast Output-Current Pulse Rise and Fall Time
♦ 4.5V to 5.5V Single-Supply Voltage
♦ No External Reference Clock Required
♦ 0°C to +70°C Commercial Temperature Range
*Future product—contact factory for availability.
MAX9483CEE
MAX9483CTE*
MAX9484CTP
Channels
with ATMEL T0806
Two Output Ports (MAX9484)
Inputs for Writing Data (MAX9484)
Current
to 600MHz
1.0ns (typ)
CD-R/RW, DVD-R, DVD+R, DVD-RW, DVD+RW,
DVD-RAM, and DVD Video
PART
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
Ordering Information
PIN-PACKAGE
16 QSOP
16 Thin QFN
20 Thin QFN
Features
1

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max9483cee-t Summary of contents

Page 1

... High 400mA Total Peak Writing Current ♦ Adjustable Modulation Frequency from 100MHz to 600MHz ♦ Fast Output-Current Pulse Rise and Fall Time 1.0ns (typ) Applications ♦ 4.5V to 5.5V Single-Supply Voltage ♦ No External Reference Clock Required ♦ 0°C to +70°C Commercial Temperature Range PART MAX9483CEE MAX9483CTE* 15 OUT1 MAX9484CTP 14 GND *Future product— ...

Page 2

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers ABSOLUTE MAXIMUM RATINGS GND ..............................................-0.3V to +6.0V CC CCO_ IN_ GND..................................-0. ENABLE, ENOSC, NE2_, NE3_, OUTSEL to GND.....................................-0. Output Voltage at ...

Page 3

DC ELECTRICAL CHARACTERISTICS (continued +4.5V to +5.5V CCO_ L (MAX9484), ENOSC = low 0°C to +70°C, unless otherwise noted. Typical values are (Notes PARAMETER SYMBOL DIGITAL ...

Page 4

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers AC ELECTRICAL CHARACTERISTICS ( +4.5V to +5.5V 40mA (read) + 40mA CCO_ OUT NE3_ = differential high (MAX9484), ENOSC = low, T +5V +25°C.) (Notes 1, ...

Page 5

V = +5V +25°C, unless otherwise noted.) CC CCO_ A OSCILLATOR FREQUENCY vs. RESISTOR R F 700 600 500 400 300 200 100 (kΩ) F OSCILLATOR ...

Page 6

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers PIN MAX9483 MAX9484 NAME QSOP TQFN TQFN IN1 IN2 IN3 4 2 — — NE2 6 4 — NE3 ...

Page 7

H ENABLE L H NE2 L H NE3 L I OUT t EN Figure 1. Timing Diagram of Output vs. Control Signals Detailed Description Read Channel and Write Channels The MAX9483/MAX9484 high-performance multimode LDDs are designed for CD and DVD ...

Page 8

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers Applications Information LVDS Inputs for MAX9484 The MAX9484 input control signals, NE2_ and NE3_, are compatible with LVDS or single-ended inputs. The LVDS inputs allow the driver to handle higher data writing rates. When using ...

Page 9

CONTROL SIGNALS SINGLE- AND ENDED CURRENT INPUTS INPUTS Figure 4. MAX9483 Typical Operating Circuit _______________________________________________________________________________________ Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers NE2 MAX9483 NE3 +5V CORE LOGIC SUPPLY +5V OUTPUT SUPPLY OUT1 R ...

Page 10

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers CONTROL SIGNALS AND CURRENT INPUTS LVDS INPUTS Figure 5. MAX9484 Typical Operating Circuit with LVDS Inputs 10 ______________________________________________________________________________________ NE2+ MAX9484 100Ω NE2- REF 100Ω +5V CORE LOGIC ...

Page 11

CONTROL SIGNALS AND CURRENT SINGLE- INPUTS ENDED INPUTS Figure 6. MAX9484 Typical Operation Circuit with Single-Ended Inputs ______________________________________________________________________________________ Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers NE2+ MAX9484 NE2- REF +5V CORE LOGIC SUPPLY +5V ...

Page 12

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers TOP VIEW IN3 MAX9483 F NE2 3 EXPOSED PAD (GROUND) NE3 4 TQFN Chip Information TRANSISTOR COUNT: 1399 12 ______________________________________________________________________________________ Pin Configurations (continued OUT1 ...

Page 13

For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers Package Information PACKAGE OUTLINE 12, 16, 20, 24L THIN QFN, 4x4x0.8mm ...

Page 14

Dual-Output, Multimode CD-RW/DVD Laser-Diode Drivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 14 ______________________________________________________________________________________ Package Information (continued) PACKAGE OUTLINE 12, 16, 20, 24L THIN ...

Page 15

For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim ...

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