ADN2872ACPZ-R7 datasheet(9/20 Pages) AD

tên linh kiện	ADN2872ACPZ-R7

Giải thích chi tiết về linh kiện	3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver

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ADN2872

Rev. 0 | Page 9 of 20

OPTICAL WAVEFORMS

VCC = 3.3 V and TA = 25°C, unless otherwise noted. Note that there was no change to PAVCAP and ERCAP values when different data

rates were tested. Figure 18, Figure 19, and Figure 20 show multirate performance using the low cost Fabry Perot TOSA NEC NX7315UA;

Figure 21 and Figure 22 show dual-loop performance over temperature using the DFB TOSA Sumitomo SLT2486.

(ACQ LIMIT TEST) WAVEFORMS 1000

Figure 18. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 231 − 1,

PAV = −4.5 dBm, ER = 9 dB, Mask Margin 25%

(ACQ LIMIT TEST) WAVEFORMS 1000

Figure 19. Optical Eye 622 Mbps, 264 ps/DIV, PRBS 231 − 1,

PAV = −4.5 dBm, ER = 9 dB, Mask Margin 50%

(ACQ LIMIT TEST) WAVEFORMS 1000

Figure 20. Optical Eye 155 Mbps,1.078 ns/DIV, PRBS 231 − 1,

PAV = −4.5 dBm, ER = 9 dB, Mask Margin 50%

(ACQ LIMIT TEST) WAVEFORMS 1001

Figure 21. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 231 − 1,

PAV = 0 dBm, ER = 9 dB, Mask Margin 22%, TA = 25°C

(ACQ LIMIT TEST) WAVEFORMS 1001

Figure 22. Optical Eye 2.488 Gbps, 65 ps/DIV, PRBS 231 − 1,

PAV = −0.2 dBm, ER = 8.96 dB, Mask Margin 21%, TA = 85°C

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