MAX3297CUE Просмотр технического описания (PDF) - Maxim Integrated
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MAX3297CUE Datasheet PDF : 28 Pages
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3.0V to 5.5V, 1.25Gbps/2.5Gbps
LAN Laser Drivers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, TA = 0°C to +70°C, unless otherwise noted. Typical values are at VCC = +3.3V, RTC = open and TA = +25°C;
see Figure 1a.)
PARAMETER
SHUTDOWN
Voltage at SHDNDRV
LASER MODULATOR
Data Rate
SYMBOL
CONDITIONS
ISHDNDRV = 10µA, FAULT asserted
ISHDNDRV = 15mA, FAULT not asserted
ISHDNDRV = 1mA, FAULT not asserted
MAX3286 series
MAX3296 series
MIN TYP MAX UNITS
VCC - 0.4
0
0
VCC - 1.2
V
VCC - 2.4
1.25
Gbps
2.5
Minimum Laser Modulation
Current
2
mA
Maximum Laser Modulation
Current
RL ≤ 25Ω
30
mA
Tolerance of Modulation Current
Modulation-Current Edge
Speed
RMOD = 1.9kΩ (IMOD = 30mA)
RMOD = 13kΩ (IMOD = 5mA)
20% to 80%
MAX3286 series
MAX3296 series
-10
+10
%
-15
+15
130
220
ps
90
150
Deterministic Jitter (Note 2)
Random Jitter (Note 3)
Shutdown Modulation Current
Modulation-Current
Temperature Coefficient
Differential Input Resistance
Output Resistance
Input Bias Voltage
LASER SAFETY CIRCUIT
POR Delay
MAX3286 series
MAX3296 series
RMS
MAX3286 series
MAX3296 series
RMOD = 13kΩ
(IMOD = 5mA)
RMOD = 4.1kΩ
(IMOD = 15mA)
RMOD = 1.9kΩ
(IMOD = 30mA)
RMOD = 13kΩ
(IMOD = 5mA)
RMOD = 4.1kΩ
(IMOD = 15mA)
RMOD = 1.9kΩ
(IMOD = 30mA)
Tempco = max, RMOD = open; Figure 5
Tempco = min, RTC = open; Figure 5
Single ended
tPORDLY
PORDLY = open
CPORDLY = 0.01µF,
MAX3286/MAX3296 only
46
65
29
45
22
35
ps
14
35
8
22
7
20
2
8
2
4
15
200
4000
50
620
800
980
42
50
58
VCC - 0.3
ps
µA
ppm/°C
Ω
Ω
V
0.3
1.25
µs
3
5.5
ms
Fault Time
Glitch Rejection at MD
tFAULT (Note 4)
22
µs
10
20
µs
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