ADN2870 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADN2870

3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver

Analog Devices 

ADN2870

TYPICAL OPERATING CHARACTERISTICS

VCC = 3.3 V and TA = 25°C, unless otherwise noted.

OPTICAL WAVEFORMS SHOWING MULTIRATE

PERFORMANCE USING LOW COST FABRY PEROT TOSA

NEC NX7315UA

Note: No change to PAVCAP and ERCAP values

(ACQ LIMIT TEST) WAVEFORMS 1000

OPTICAL WAVEFORMS SHOWING DUAL-LOOP

PERFORMANCE OVER TEMPERATURE USING DFB TOSA

SUMITOMO SLT2486

(ACQ LIMIT TEST) WAVEFORMS 1001

Figure 6. 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 9. 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 7. 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 10. 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

Figure 8. Optical Eye 155 Mbps,1.078 ns/div, PRBS 231-1

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

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