Burst-Mode Laser Driver
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +3.6V, TA = -40°C to +85°C. Typical values are at VCC = +3.3V, TA = +25°C, IBIAS = 20mA, IMOD = 30mA, unless
otherwise noted.) (Note 1)
PARAMETER
BIASSET Current Gain Stability
BIASSET Current Gain Linearity
Bias Current Overshoot
Bias Current Monitor Gain
Bias Current Monitor Gain
Stability
BIASSET Resistor
MODULATOR SPECIFICATIONS
Modulation Current Range
Modulation Current Off
Instantaneous Voltage at OUT+
MODSET Current Gain
MODSET Current Gain Stability
SYMBOL
GBSM
RBIAS
IMOD
IMOD, OFF
GMOD
CONDITIONS
5mA ≤ IBIAS ≤ 70mA (Note 13)
5mA ≤ IBIAS ≤ 70mA (Note 14)
VCC turn-on/-off < 1s
2mA ≤ IBIAS ≤ 70mA, VBSET = VREF
1mA ≤ IBIAS < 5mA
5mA ≤ IBIAS ≤ 70mA
BEN = low or EN = high or VIN = low
10mA ≤ IMOD < 60mA
60mA ≤ IMOD ≤ 85mA
10mA < IMOD < 85mA, VMSET = VREF
(Note 13)
MIN TYP MAX UNITS
-4.4
+4.4
%
-3.75
+3.75
%
10
%
11
14
17
mA/A
±4
%
-5
+5
40
50
60
Ω
10
85
mA
5
120
µA
0.6
V
0.75
82.5
88
94.5 mA/mA
-4.4
+4.4
%
MODSET Current Gain Linearity
(Note 14)
MODSET, BIASSET Gain
Matching (Note 15)
Modulation Current Rise Time
Modulation Current Fall Time
Deterministic Jitter
IBIASSET = 0.15mA, IMODSET = 0.7mA
IMODSET = IBIASSET = 0.15mA
IMODSET = IBIASSET = 0.4mA
IMODSET = IBIASSET = 0.55mA
tR
20% to 80%
tF
20% to 80%
(Note 3)
Random Jitter
(Note 4)
MODSET Resistor
RMOD
MODSET, BIASSET OPERATIONAL AMPLIFIER SPECIFICATIONS
-2.2
+2.2
%
0.5
1.7
%
1
1
45
85
ps
45
85
ps
17
45
psP-P
0.8
1.4 psRMS
40
50
60
Ω
MODSET, BIASSET Voltage
Range
0.005
1.4
V
Voltage Error
Input Leakage
(Note 5)
VMSET and VBSET pins
±5
mV
0.1
1.5
µA
TURN-OFF/-ON SPECIFICATIONS
Burst-Enable Time
(Notes 2, 6, 7)
2.3
ns
Burst-Disable Time
(Notes 2, 6, 8)
2.0
ns
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