MAX3656 データシートの表示（PDF） - Maxim Integrated
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MAX3656 Datasheet PDF : 16 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
Bias-On Current Range
Bias-Off Current Range
Bias-Current Temperature
Stability
Bias-Current Absolute Accuracy
BIASMAX Current-Setting Range
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)
LASER MODULATOR
Modulation ON Current Range
Modulation OFF Current
Modulation-Current Stability
VBEN+,
VBEN-
VIH
VIL
VOH
VOL
IBIAS
IBIAS-OFF
VMD
IMD
tINIT
IMOD
IMOD-OFF
Sourcing 50µA, VCC = 3.0V
Sinking 100µA, VCC = 3.6V
Voltage at BIAS pin ≥ 0.6V
EN = high or BEN = low, VBIAS ≤ 2.6V (Note 2)
APC open loop
IBIAS = 70mA
IBIAS = 15mA
APC open-loop IBIAS > 20mA (Note 3)
With respect to VCC
IMD = 50µA
IMD = 1500µA
IMD = 50µA
IMD = 1500µA
Average current into MD pin
Case 1 (Note 5) (LONGB = 0)
Case 2 (Note 6) (LONGB = 0)
Case 3 (Note 7) (LONGB = 0)
Data rate ≤1.25Gbps
Data rate >1.25Gbps
EN = high or BEN = low, IN = low (Note 2)
(Note 13)
2.0
2.4
1
-15
15
1.6
-750
-480
-25
-15
50
10
10
-480
0.8
5
148
98
12
2.12
1.60
16
V
V
0.8
V
V
0.4
V
70
mA
100
µA
ppm/°C
+15
%
70
mA
+750
+480
+25
+15
1500
V
ppm/°C
%
µA
µs
1.92
85
60
150
+480
mA
µA
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
Deterministic Jitter
(Notes 9, 13)
Random Jitter
10mA ≤ IMOD < 60mA
60mA ≤ IMOD ≤ 85mA
tR
10mA ≤ IMOD ≤ 85mA (Notes 8, 13)
0.6
0.75
40
tF
10mA ≤ IMOD ≤ 85mA (Notes 8, 13)
40
20
DJ
155Mbps to 1.25Gbps, 10mA ≤ IMOD ≤ 85mA
17
1.25Gbps to 2.5Gbps, 10mA ≤ IMOD ≤ 60mA
17
RJ (Note 13)
0.8
V
85
ps
85
ps
%
45
40
psP-P
1.4 psRMS
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