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VSC7991X Datasheet(PDF) 2 Page - Vitesse Semiconductor Corporation |
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VSC7991X Datasheet(HTML) 2 Page - Vitesse Semiconductor Corporation |
2 / 10 page VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7991 SDH/SONET 10.7Gb/s Electroabsorption Modulator/Laser Diode Driver Page 2 G52321-0, Rev 2.3 02/26/01 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com Internet: www.vitesse.com AC Characteristics (Over recommended operating conditions) Table 1: High Speed Inputs /Outputs Table 2: Laser Driver AC Electrical Specifications DC Characteristics (Over recommended operating conditions) Table 3: Power Dissipation Table 4: Laser Driver DC Electrical Specifications NOTE: DIN and NDIN inputs need to be driven differentially. If single-ended drive is desired, it is necessary to add a DC bias to the unused pin. Symbol Parameter Min Typ Max Units Conditions IRL Input Return Loss , 50Ω System −15 dB 50MHz to 10GHz ORL Output Return Loss, 50 Ω System −12 dB 50MHz to 10GHz Symbol Parameter Min Typ Max Units Conditions tR tF Output Rise and Fall Times 38 ps 50 Ω load, 20% to 80%, V MOD = 3V Jitter Output Jitter 15 ps/p-p 50 Ω Load, V MOD = 3V Overshoot/Undershoot −10 +10 % Duty-Cycle −25 +25 % DCC in the range of VSS − 0.5V to VSS +2V Symbol Parameter Min Typ Max Units Conditions IVSS Power Supply Current (VSS) 300 330 mA VSS = −6.8, RL = 50Ω to GND, IMOD = 120mA, VBIAS = 0V PD Total Power Dissipation 2040 2244 mW VSS = −6.8, RL = 50Ω to GND IMOD = 120mA, VBIAS = 0V Symbol Parameter Min Typ Max Units Conditions VBIAS Programmable Output Offset Voltage −0.8 0V VMOD Modulation Voltage Amplitude 1.5 3V VOCM Output Voltage Compliance 4 V IB, IBN Laser Bias Control Voltage −10 0V VIP Laser Modulation Control Voltage VSS VSS + 0.7 V VIH Input High Voltage −150 0mV VIL Input Low Voltage −1.00 −0.60 V VSW (1) Input Voltage Swing 450 1000 mVp-p DCC Duty-Cycle Control VSS − 0.5V VSS+ 2V |
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