MAX3643(2005) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
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Fabricante
MAX3643 Datasheet PDF : 15 Pages
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Burst-Mode Laser Driver
Typical Operating Characteristics (continued)
(Typical values are at VCC = +3.3V, TA = +25°C, data pattern = 27-1 PRBS + 80 ones + 27-1 PRBS + 80 zeros, unless otherwise
noted.)
IBIAS vs. VBSET
(RBIASSET = 1kΩ)
90
80
70
60
50
40
30
20
10
0
0
0.2 0.4 0.6 0.8
1.0
VBSET (V)
BIAS CURRENT MONITOR GAIN
(IBCMON/IBIAS) vs. TEMPERATURE
17
16
15
14
13
12
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
VOUT+
TIMING DIAGRAM, BURST-ON
(933MHz FILTER ON OUT+)
MAX3643 toc10
VBIAS+
VBEN+
500ps/div
TIMING DIAGRAM, BURST-OFF
(933MHz FILTER ON OUT+)
MAX3643 toc11
VOUT+
500ps/div
VBIAS+
VBEN+
SAMPLE/HOLD
(10MΩ LOAD, 2.8µs SAMPLE
AND 100µs HOLD, MDIN = 1.56V)
MAX3643 toc12
MDOUT
1.56V
1.22V
BEN+
20µs/div
160
140
120
100
80
60
40
20
0
0
IBIAS + IMOD CURRENT
THRESHOLD vs. RIMAX
5 10 15 20 25 30
RIMAX (kΩ)
6 _______________________________________________________________________________________
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