MAX3942 Просмотр технического описания (PDF) - Maxim Integrated
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MAX3942 Datasheet PDF : 10 Pages
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10Gbps Modulator Driver
ABSOLUTE MAXIMUM RATINGS
Supply Voltage VEE ..............................................-6.0V to +0.5V
Voltage at MODEN,
RTEN, PLRT, MODSET............................(VEE - 0.5V) to +0.5V
Voltage at DATA+, DATA-, CLK+, and CLK-……-1.65V to +0.5V
Voltage at OUT+, OUT- ................................……….-4V to +0.5V
Voltage at PWC+, PWC- ...................(VEE - 0.5V) to (VEE + 1.7V)
Continuous Power Dissipation (TA = +85°C)
24-Pin Thin QFN (derate 20.8mW/° above +85°C) ....1354mW
Current into or out of OUT+, OUT-.................……………...80mA
Storage Temperature Range .....................……-55°C to +150°C
Operating Temperature Range ....................……-40°C to +85°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.
ELECTRICAL CHARACTERISTICS
(VEE = -5.5V to -4.9V, TA = -40°C to +85°C. Typical values are at VEE = -5.2V, IMOD = 100mA, and TA = +25°C, unless otherwise noted.)
PARAMETER
Power-Supply Voltage
Supply Current
Power-Supply Noise Rejection
SIGNAL INPUT (Note 3)
Input Data Rates
Single-Ended Input Resistance
Single-Ended Input Voltage
Differential Input Voltage
Differential Input Return Loss
MODULATION (Note 5)
Maximum Modulation Current
Minimum Modulation Current
MODSET Voltage Range
Equivalent Modulation
Modulation Set Bandwidth
MODSET Input Resistance
SYMBOL
VEE
IEE
PSNR
CONDITIONS
Excluding IMOD
(Note 1)
Retime disabled
Retime enabled
f 2MHz (Note 2); see Figure 3
RIN
VIS
VID
RLIN
NRZ
Input to GND
DC-coupled, Figure 1a
AC-coupled, Figure 1b
DC-coupled (Note 4)
AC-coupled (Note 4)
15GHz
VMODSET
RMODEQV
VMODSET = VEE
(Note 7)
Modulation depth 10%, 50 driver load
MIN TYP MAX UNITS
-5.5
-4.9
V
125 175
mA
140 200
15
dB
10.7
Gbps
42.5
50
58.5
-1
0
V
-0.4
+0.4
0.2
2.0
VP-P
0.2
1.6
15
dB
112
120
mAP-P
37
41
mAP-P
VEE
VEE +
V
11.1
5
MHz
20
k
Modulation-Current
Temperature Stability
(Note 6)
-980
0 ppm/°C
Modulation-Current-Setting Error
Output Resistance
ROUT
50 driver load, TA = +25°C
OUT+ and OUT- to GND
-10
+10
%
42.5
50
58.5
2 _______________________________________________________________________________________
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