ADN2870 Analog Devices, Inc., ADN2870 Datasheet - Page 8

• Manufacturer Part Number: ADN2870
• Description: 3.3 V Dual-loop, 50 Mbps To 3.3 Gbps Laser Diode Driver
• Manufacturer: Analog Devices, Inc.

ADN2870
TYPICAL OPERATING CHARACTERISTICS
V
OPTICAL WAVEFORMS SHOWING MULTIRATE
PERFORMANCE USING LOW COST FABRY PEROT TOSA
NEC NX7315UA
Note: No change to PAVCAP and ERCAP values
CC
= 3.3 V and T
(ACQ LIMIT TEST) WAVEFORMS 1000
(ACQ LIMIT TEST) WAVEFORMS 1000
(ACQ LIMIT TEST) WAVEFORMS 1000
Figure 8. Optical Eye 155 Mbps,1.078 ns/div, PRBS 2
Figure 7. Optical Eye 622 Mbps, 264 ps/div, PRBS 2
Figure 6. Optical Eye 2.488 Gbps,65 ps/div, PRBS 2
PAV = −4.5 dBm, ER = 9 dB, Mask Margin 25%
PAV = −4.5 dBm, ER = 9 dB, Mask Margin 50%
PAV = −4.5 dBm, ER = 9 dB, Mask Margin 50%
A
= 25°C, unless otherwise noted.
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OPTICAL WAVEFORMS SHOWING DUAL-LOOP
PERFORMANCE OVER TEMPERATURE USING DFB TOSA
SUMITOMO SLT2486
(ACQ LIMIT TEST) WAVEFORMS 1001
(ACQ LIMIT TEST) WAVEFORMS 1001
PAV = −0.2 dBm, ER = 8.96 dB, Mask Margin 21%, T
Figure 10. Optical Eye 2.488 Gbps, 65 ps/div, PRBS 2
Figure 9. Optical Eye 2.488 Gbps, 65 ps/div, PRBS 2
PAV = 0 dBm, ER = 9 dB, Mask Margin 22%, T
A
= 25°C
A
= 85°C
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