MAX3656(2010) Ver la hoja de datos (PDF) - Maxim Integrated
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componentes Descripción
Fabricante
MAX3656 Datasheet PDF : 15 Pages
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155Mbps to 2.5Gbps Burst-Mode
Laser Driver
ELECTRICAL CHARACTERISTICS (continued)
(Typical values are at VCC = +3.3V, IBIAS = 20mA, IMOD = 25mA, extinction ratio = 10dB, and TA = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Single-Ended Input Voltage
EN Input High Voltage
EN Input Low Voltage
FAIL Output High Voltage
FAIL Output Low Voltage
BIAS GENERATOR
VBEN+,
VBEN-
VIH
VIL
VOH
VOL
Sourcing 50μA, VCC = 3.0V
Sinking 100μA, VCC = 3.6V
0.8
V
2.0
V
0.8
V
2.4
V
0.4
V
Bias-On Current Range
Bias-Off Current Range
Bias-Current Temperature
Stability
IBIAS Voltage at BIAS pin 0.6V
1
IBIAS-OFF EN = high or BEN = low, VBIAS 2.6V (Note 2)
APC open loop
IBIAS = 70mA
IBIAS = 15mA
70
mA
5
100
μA
148
ppm/°C
98
Bias-Current Absolute
Accuracy
APC open-loop IBIAS > 20mA (Note 3)
-15
+15
%
BIASMAX Current-Setting Range
15
70
mA
APC LOOP
MD Reverse-Bias Voltage
MD Bias-Setting Stability
(Note 4)
MD Bias-Setting Accuracy
(Note 3)
MD DC-Current Range
APC Loop Initialization Time
(Note 4)
VMD With respect to VCC
IMD = 50μA
IMD = 1500μA
IMD = 50μA
IMD = 1500μA
IMD Average current into MD pin
Case 1 (Note 5) (LONGB = 0)
tINIT Case 2 (Note 6) (LONGB = 0)
Case 3 (Note 7) (LONGB = 0)
1.6
-750
-480
-25
-15
50
V
+750
ppm/°C
+480
+25
%
+15
1500
μA
12
2.12
μs
1.60 1.92
LASER MODULATOR
Modulation ON Current Range
IMOD
Data rate 1.25Gbps
Data rate >1.25Gbps
10
85
mA
10
60
Modulation OFF Current
Modulation-Current Stability
IMOD-OFF EN = high or BEN = low, IN = low (Note 2)
(Note 13)
-480
16
150
μA
+480 ppm/°C
Modulation-Current Absolute
Accuracy
IMOD > 15mA (Note 3)
-15
+15
%
Instantaneous Voltage at
Modulator Output (OUT+)
Modulation-Current Rise Time
Modulation-Current Fall Time
Output Over-/Undershoot
10mA IMOD < 60mA
60mA IMOD 85mA
tR
10mA IMOD 85mA (Notes 8, 13)
tF
10mA IMOD 85mA (Notes 8, 13)
0.6
V
0.75
40
85
ps
40
85
ps
20
%
Deterministic Jitter
(Notes 9, 13)
Random Jitter
DJ
155Mbps to 1.25Gbps, 10mA IMOD 85mA
1.25Gbps to 2.5Gbps, 10mA IMOD 60mA
RJ (Note 13)
17
45
psP-P
17
40
0.8
1.4 psRMS
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