ADN2873ACPZ-RL7 AD [Analog Devices], ADN2873ACPZ-RL7 Datasheet - Page 12

• Manufacturer Part Number: ADN2873ACPZ-RL7
• Description: 3.3 V, 50 Mbps to 4.25 Gbps, Single-Loop, Laser Diode Driver
• Manufacturer: AD [Analog Devices]

ADN2873
OPTICAL WAVEFORMS
V
rates were tested. Figure 23, Figure 24, and Figure 25 show multirate performance using the low cost Fabry Perot TOSA NEC NX7315UA;
Figure 26 and Figure 27 show performance over temperature using the DFB TOSA Sumitomo SLT2486.
CC
= 3.3 V and T
(ACQ LIMIT TEST) WAVEFORMS 1000
(ACQ LIMIT TEST) WAVEFORMS 1000
(ACQ LIMIT TEST) WAVEFORMS 1000
Figure 25. Optical Eye 155 Mbps,1.078 ns/DIV, PRBS 2
Figure 23. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
Figure 24. Optical Eye 622 Mbps, 264 ps/DIV, PRBS 2
P
P
P
AV
AV
AV
= −4.5 dBm, ER = 9 dB, Mask Margin 25%
= −4.5 dBm, ER = 9 dB, Mask Margin 50%
= −4.5 dBm, ER = 9 dB, Mask Margin 50%
A
= 25°C, unless otherwise noted. Note that there was no change to PAVCAP and ERCAP values when different data
31 − 1
31 − 1
31 − 1
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(ACQ LIMIT TEST) WAVEFORMS 1001
(ACQ LIMIT TEST) WAVEFORMS 1001
P
Figure 26. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
Figure 27. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
AV
P
= −0.2 dBm, ER = 8.96 dB, Mask Margin 21%, T
AV
= 0 dBm, ER = 9 dB, Mask Margin 22%, T
A
= 25°C
A
= 85°C
31 − 1
31 − 1