M02094-12 Datasheet, PDF (34/46 Pages) M/A-COM Technology Solutions, Inc. – EPON FTTH modules

M02094-12
3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 2 Gbps
Rev V5
T = 3 * 10⁶ (sec/F)* C (F)
following the DIS high transition. If DIS transitions low during this time, the bias current will quickly return to within
90% of its final value (within less than 500 ns). If DIS transitions low after this time the slow-start circuitry will
engage and the bias current will not return to its final value for approximately 1ms (depending on the C_APC capaci-
tor).
3.3.11
Burst Mode Operation (Figure 3-5)
The M02094 will meet the timing requirements of EPON with the addition of a capacitor at DISDLY (see paragraph
above and Figure 3-5).
As shown in Figure 4-4, the laser should be DC coupled to OUT+. V_CC may be 3.3V or 5V.
34
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