Drv_4x25G_057 4x25G Driver Board
The MAOM-037057 Driver Board is a four-channel 25.78Gbps/28.05Gbps CDR with adaptive equalization and Externally Modulated Laser (EML) driver board for use as a transmit device in 100 gigabit optical transceivers.
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Overview
Specifications
| Parameter | Value |
|---|---|
| NRZ input data rate (26G mode) | 25.5-26.0GbpsGbps |
| NRZ input data rate (28G mode) | 27.5-28.05GbpsGbps |
| Differential input impedance termination | 85-115Ω |
| Differential input impedance termination mismatch (P/N) | -5%-5% |
| Input differential return loss | SDD11≤-11dB |
| Input common mode to differential conversion loss | SDC11<-15dB |
| Output return loss 0.5-12GHz | ≤12dB |
| Output return loss 12-25GHz | ≤9dB |
| Input sensitivity (lowest input amplitude BER 1E-15) | 80-1000mVPPD |
| Maximum differential input amplitude to EQ | 1000mVPPD |
| Maximum Output Amplitude | 1.5-2.5VPP |
| Programmable LOS assert threshold voltage | 30-150mVPPD |
| Programmable LOS assert/de-assert hysteresis | 1.5-2.5dB |
| Input jitter tolerance (BUJ=0.5UI, SJ variable) | ≤0.75UIPP |
| CDR lock time from no data to data | 1-3ms |
| LOL timing from occurrence to triggering | ≤0.5ms |
| Output driver power down time from when TXDIS is asserted | ≤100μs |
| 20%-80%@1.5Vpp rise/fall time | 12.5-15ps |
| Crossing point range (XPH, High) | 70% |
| Crossing point range (XPL, Low) | 40% |
| Time for output to reach 90% of final level after TXDIS is de-asserted | ≤3ms |
| Total output jitter (BER 1E-15) | 0.2-0.25UI |
| Additive jitter | 0.6-1.2ps,rms |
| CML differential input amplitude to REFCLK (AC coupled, 100Ω differential) | 300-500mVPPD |
| Phase jitter (RMS) for input reference clock (12KHz to 20MHz) | 0.3-0.7ps-RMS |
| Differential output amplitude from MONCLK (default Fb/8, AC coupled 100Ω differential) | 450-650mV |
| Duty cycle of MONCLK output | 45%-55% |
Applications
Key Features
Datasheet
Supplier Information
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