ADN2871 Analog Devices, Inc., ADN2871 Datasheet - Page 8

• Manufacturer Part Number: ADN2871
• Description: 3.3 V, 50 Mbps To 4.25 Gbps Single-loop Laser Diode Driver
• Manufacturer: Analog Devices, Inc.

ADN2871
OPTICAL WAVEFORMS
V
MULTIRATE PERFORMANCE USING LOW COST
FABRY PEROT TOSA NEC NX7315UA
CC
= 3.3 V and T
(ACQ LIMIT TEST) WAVEFORMS 1000
(ACQ LIMIT TEST) WAVEFORMS 1000
(ACQ LIMIT TEST) WAVEFORMS 1000
Figure 9. Optical Eye 155 Mbps,1.078 ns/DIV, PRBS 2
Figure 7. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
Figure 8. 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: No change to PAVCAP and ERCAP values.
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Rev. A | Page 8 of 20
PERFORMANCE OVER TEMPERATURE USING DFB
TOSA SUMITOMO SLT2486
(ACQ LIMIT TEST) WAVEFORMS 1001
(ACQ LIMIT TEST) WAVEFORMS 1001
P
AV
Figure 10. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
Figure 11. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 2
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
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