M02061_17 Datasheet, PDF (8/45 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt Laser Driver

M02061-12/-21
3.3 or 5 Volt Laser Driver
Rev V6
Table 1-4. AC Characteristics (2 of 2)
Symbol
Parameter
Conditions
Minimum Typical Maximum
tr
Modulation output rise time
tf
Modulation output fall time
(2) ^{20% to 80% into 25 Ω.}
Measured using 11110000 pattern at 2.5Gbps
–
55
75
–
55
75
OS Overshoot of modulation output current into 25 Ω load
in the off direction.
--
1
–
RJ Random jitter
DJ Deterministic jitter
–
0.8
–
Measured into 25Ω load, 2³¹ - 1 PRBS at 2.7
Gbps
10
25
Units
ps
ps
%
ps_rms
ps_pp
K28.5 pattern at 4.25 Gbps
10
30
(includes pulse width distortion³)
NOTES:
1. Guaranteed by design and characterization.
2. DC coupled operation at 3.3V is not supported. AC coupled operation at 5V is possible provided the outputs never exceed 6V.
3. Pulse width distortion is measured single-ended.
1.5
Safety Logic Timing
(SCB pin low, V_CC = 3.05 V to 3.55V or 4.7V to 5.4V, T_A = -40 °C to +95 °C, unless otherwise noted)
Table 1-5. Safety Logic Timing (1 of 2)
Symbol
Parameter
Conditions
Minimum Typical Maximum
t_off DIS assert time
t_on DIS negate time
t_init Time to initialize⁽²⁾
Rising edge of DIS to fall of output signal below
10
10% of nominal⁽¹⁾
Falling edge of DIS to rise of output signal above
1
90% of nominal⁽¹⁾
Includes reset of FAIL; from power on after
2
3
5
Supply_OK or from negation of DIS during reset of
FAIL condition
Units
μs
ms
ms
8
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