M
Dual-Output, Multimode
CD-RW/DVD Laser-Diode Drivers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
CC
, V
CCO_
to GND ..............................................-0.3V to +6.0V
IN_, R
F_
, R
S_
to GND..................................-0.3V to (V
CC
+ 0.3V)
ENABLE, ENOSC, NE2_, NE3_,
OUTSEL to GND.....................................-0.3V to (V
CC
+ 0.3V)
Output Voltage at OUT1, OUT2......................-0.3V to (V
CC
- 1V)
Continuous Power Dissipation (T
A
= +70°C)
QSOP (derate 8.3mW/°C above +70°C)........................667mW
TQFN (derate 16.9mW/°C above +70°C).....................1349mW
DC ELECTRICAL CHARACTERISTICS
(V
CC
= V
CCO_
= +4.5V to +5.5V, R
L
= 6.8
, ENABLE = high, NE2 = NE3 = high (MAX9483), NE2_ = NE3_ = differential high
(MAX9484), ENOSC = low, T
A
= 0°C to +70°C, unless otherwise noted. Typical values are at V
CC
= V
CCO_
= +5V, T
A
= +25°C.)
(Notes 1, 2, 4)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
ESD Rating (Human Body Model) .................................
≥
±2.0kV
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
MAX9483
MAX9484
181
182
200
210
Write-Mode Supply Current
I
CC1
I
IN1
= I
IN2
= I
IN3
= 500μA,
NE2 = NE3 = low
mA
MAX9483
91
100
Oscillator enabled,
I
IN1
= I
IN2
= I
IN3
= 500μA,
ENOSC = high, R
S
= 8.2k
,
R
F
= 6.8k
MAX9484
92
105
MAX9483
MAX9484
MAX9483
MAX9484
MAX9483
MAX9484
82
83
14
14
0.96
1.2
95
95
20
20
2.0
2.0
Read-Mode Supply Current
I
CC2
Oscillator disabled,
I
IN1
= I
IN2
= I
IN3
= 500μA
mA
Supply Current
I
CC3
Input disabled,
I
IN1
= I
IN2
= I
IN3
= 0
mA
Power-Down Supply Current
I
CC4
ENABLE = NE2 = NE3 = low,
I
IN1
= I
IN2
= I
IN3
= 0
mA
DIGITAL INPUTS FOR WRITE CHANNEL CONTROL (NE2, NE3) (MAX9483)
High-Level Input Voltage
V
IH1
Low-Level Input Voltage
V
IL1
Input Current
I
IN1
LVDS DIGITAL INPUTS FOR WRITE CHANNEL CONTROL (NE2_, NE3_) (MAX9484)
Differential Input High Threshold
V
TH
Differential Input Low Threshold
V
TL
SINGLE-ENDED DIGITAL INPUTS FOR WRITE CHANNEL CONTROL (NE2+, NE3+) (MAX9484)
Reference Voltage
V
REF
2.0
V
V
0.8
+20
V
IN
= high or low
-20
μA
50
mV
mV
-50
1.10
1.25
1.40
V
High-Level Input Voltage
V
IH2
V
REF
+
300
mV
Low-Level Input Voltage
V
IL2
V
REF
-
300
mV
Input Current
I
IN2
V
IN
= high or low
-20
+20
μA