MAX3668 查看數據表（PDF） - Maxim Integrated
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MAX3668 Datasheet PDF : 12 Pages
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+3.3V, 622Mbps SDH/SONET
Laser Driver with Automatic Power Control
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VCC .............................................-0.5V to +7.0V
Current into BIAS ............................................-20mA to +150mA
Current into OUT+, OUT- ............................... -20mA to +100mA
Current into MD....................................................-5mA to +5mA
Voltage at DATA+, DATA-, ENABLE,
FAIL .......................................................-0.5V to (VCC + 0.5V)
Voltage at OUT+, OUT- .............................+1.5V to (VCC + 1.5V)
Voltage at MODSET, APCSET, BIASMAX,
CAPC............................................................... -0.5V to +3.0V
Voltage at BIAS .........................................+1.0V to (VCC + 0.5V)
Continuous Power Dissipation (TA = +85°C)
32-Pin TQFP (derate 14.3mW/°C above +85°C)........ 929mW
Operating Junction Temperature Range ...........-55°C to +150°C
Processing Temperature (Die).........................................+400°C
Storage Temperature Range ........................... -65°C to +165°C
Lead Temperature (soldering, 10s) ................................+300°C
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.
DC ELECTRICAL CHARACTERISTICS
(VCC = +3.14V to +5.5V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C.) (Note 1)
PARAMETER
Supply Current
Bias Current Range
Bias Off Current
Bias Current Stability
Bias Current Absolute Accuracy
Differential Input Voltage
SYMBOL
IBIAS
VID
CONDITIONS
(Note 2)
VBIAS = VCC - 1.6V
ENABLE = low (Note 3)
APC open loop
APC open loop
IBIAS = 80mA
IBIAS = 1mA
Figure 1
Common-Mode Input Voltage
VICM PECL compatible
DATA+, DATA- Input Current
Monitor Diode Current Stability
Monitor Diode Current
Absolute Accuracy
IIN
(Note 4)
IMD = 1mA
IMD = 18µA (Note 5)
MIN
1
-15
200
VCC -
1.49
-1
-480
-15
TYP
38
390
920
VCC -
1.32
10
70
MAX
60
80
100
UNITS
mA
mA
µA
ppm/°C
15
1600
VCC -
VID/4
10
480
%
mVp-p
V
µA
ppm/°C
15
%
DC Monitor Diode Current
IMD
Monitor Diode Input Voltage
(MD Pin)
VMD
18
1000 µA
0.8
V
TTL Input High Voltage
TTL Input Low Voltage
TTL Output High Voltage
(FAIL)
TTL Output Low Voltage
(FAIL)
VIH
VIL
VOH Sourcing 50µA
VOL Sinking 100µA
2.0
V
0.8
V
2.4 VCC - 0.3 VCC
V
0.1
0.44
V
2 _______________________________________________________________________________________
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