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| VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7807 Features * Integrated Photodetector/Transimpedance Amplifier Optimized for High-Speed Optical Communications Applications * Fibre Channel/Gigabit Ethernet-Compatible * High Bandwidth: 1300MHz * Low Input Noise Equivalent Power: 2.2W * Large Optically Active Area * Single 3.3V Power Supply * 2.125Gb/s Data Rate * 70m Optically Active Area * Packages: TO-46, TO-56, Bare Die Photodetector/Transimpedance Amplifier Family for Optical Communication Applications * Gigabit Ethernet Optical Receivers * Fibre Channel Optical Receivers * ATM Optical Receivers * SONET/SDH * System Interconnect General Description The VSC7807 integrated Photodetector/Transimpedance Amplifier provides a highly integrated solution for converting 850nm light from a fiber optic communications channel into a differential output voltage. The benefits of Vitesse Semiconductor's Gallium Arsenide H-GaAs process are fully utilized to provide very high bandwidth and low noise in a product with a large optically active area for easy alignment. The sensitivity, duty cycle distortion and jitter meet or exceed all Fibre Channel and Gigabit Ethernet application requirements. The VSC7807 is available in either die form, flat-windowed packages or ball-lens packages. By using a Metal-Semiconductor-Metal (MSM) photodetector with a monolithic integrated transimpedance amplifier, the input capacitance is lowered which allows for a larger optically active area than in discrete photodetectors. Integration also allows superior tracking over process, temperature and voltage between the photodetector and the amplifier, resulting in higher performance. The VSC7807 can easily be used in developing Fibre Channel Electro-Optic Receivers which exhibit very high performance and ease of use. VSC7807 Block Diagram +3.3V DOUTP DOUTN Both DOUTP and DOUTN are back-terminated to 25. G52363-0, Rev 2.1 04/05/01 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com Page 1 VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Family for Optical Communication Table 1: Electro-Optical Specifications(1) Symbol VSS IDD PSRR Fc BW S Ro VD RD VDC VDC NEPO VNO DCD IOUT PDJ Advance Product Information VSC7807 Typ(2) 3.3 -10 840 1.0 1300 20 25 2.0 1 2.6 70 190 - Parameters Supply Voltage Supply Current Power Supply Rejection Ratio Wavelength Low Frequency Cutoff Optical Modulation Bandwidth Sensitivity Single-Ended Output Impedance Differential Output Voltage Differential Responsivity Output Bias Voltage Bias Offset Voltage Input Noise Equivalent Power Output Noise Voltage Duty Cycle Distortion Output Drive Current Pattern Dependent Jitter Optically Active Area Min 3.0 700 0.2 1.6 1.0 2.0 - Max 3.6 40 850 2.5 200 2.2 1.25 4.5 40 200 200 200 Units V mA dB nm MHz MHz dBm V mV/W V mV W rms mV rms % mA ps m ps ps ps Conditions Frequencies up to 40MHz. Use external filter to get PSRR of -35dB(3). -3dB, P(4) = -15dBm -3dB, P = -15dBm 2.488Gb/s, BER10-12(5) P = -5 dBm, RL= 100 differential RL = 100 At 50MHz P = 0mW P = 0mW P = -5dBm P = -5dBm P = -5dBm +/-10% Voltage Window Diameter P = -5dBm 20% to 80% P = -5dBm 20% to 80% P = -5dBm PPJ TR TF PP Jitter Rise Time Fall Time NOTES: (1) Specified over 10C to 90C junction. (2) Typical conditions 25C and 3.3V power supply. (3) See Note 1 in Application Note 48. (4) P = Incident Optical Power. (5) See Note 2 In Application Note 48. Page 2 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com G52363-0, Rev 2.1 04/05/01 VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7807 Absolute Maximum Ratings(1) Photodetector/Transimpedance Amplifier Family for Optical Communication Power Supply Voltage (VSS) .............................................................................................................................. 6V Storage Humidity s(relative humidity, including condensation)........................................................... 5% to 95% Operating Humidity (relative humidity, excluding condensation) ........................................................ 8% to 80% Impact Shock (IS)(2) ....................................................................................................................................... 500G Incident Optical Power ................................................................................................................................ +3dBm Storage Temperature Range (case temperature under bias) ........................................................ -55C to +125C NOTES: (1) CAUTION: Stresses listed under "Absolute Maximum Ratings" may be applied to devices one at a time without causing permanent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended periods may affect device reliability. (2) Half sine wave, pulse duration 1 0.5ms, 3 blows in each direction. Recommended Operating Conditions Positive Voltage Rail (VSS) ................................................................................................................ 3.0V to 3.6V Optical Power ................................................................................................................................................ 0dBm Operating Temperature Range (TA)............................................................................0C Ambient to +85C Case Figure 1: Pin Diagram (TO-46 and TO-56 packages) BottomView VSS DOUTP DOUTN GND Table 2: Pin Table Specifications for Ball Lens Packages, Flat Window Packages and Bare Die Symbol DOUTP DOUTN VSS GND Description Data output normal (with reference to incident light) Data output complement (inverting) (with reference to incident light) Power supply Ground (package case) G52363-0, Rev 2.1 04/05/01 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com Page 3 VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Family for Optical Communication Advance Product Information VSC7807 Figure 2: Pad Assignments 1481m (58.3mils) Pad 3 CLON Pad 4 VGND Pad 5 VGND 835m (32.9mils) VSC7807 Pad 6 VDD Pad 2 CLOP Pad 1 VGND 835m x 1481m (32.9mils x 58.3mils) 635m (26mils) 108m x 108m (4.3mils x 4.3mils) 244m x 108m (9.6mils x 4.3mils) Pad Passivation Openings: 86m x 86m (3.4mils x 3.4mils) 223m x 86m (8.8mils x 3.4mils) Scribe Size: 157m (6.2mils) Die Size: Die Thickness: Pad Sizes: 157m (6.2mils) Table 3: Pad Coordinates Signal Name VGND CLOP CLON VGND VGND VDD Pad Number 1 2 3 4 5 6 Coordinates (m) Description X 55 55 780 780 596.7 244.2 Y 943.6 1093.6 1093.6 943.6 61.4 61.4 Ground Data output, true (with reference to incident light) Data output, complement (with reference to incident light) Ground Ground Power Supply Page 4 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com G52363-0, Rev 2.1 04/05/01 VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7807 Package Information TO-46 Flat Window Package Photodetector/Transimpedance Amplifier Family for Optical Communication Reference Isometric G52363-0, Rev 2.1 04/05/01 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com Page 5 VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Family for Optical Communication Advance Product Information VSC7807 TO-56 Flat Window Package Reference Isometric Page 6 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com G52363-0, Rev 2.1 04/05/01 VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7807 Photodetector/Transimpedance Amplifier Family for Optical Communication TO-46 Ball Lens Package--7mm Lead Length Reference Isometric G52363-0, Rev 2.1 04/05/01 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com Page 7 VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Family for Optical Communication Advance Product Information VSC7807 TO-46 Ball Lens Package--13mm Lead Length Reference Isometric Page 8 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com G52363-0, Rev 2.1 04/05/01 VITESSE SEMICONDUCTOR CORPORATION Advance Product Information VSC7807 Ordering Information Photodetector/Transimpedance Amplifier Family for Optical Communication The order number for this product is formed by a combination of the device type and package type. VSC7807 xx Device Type Photodetector/Transimpedance Amplifier Family for Optical Communication Package WA: TO-46 Flat Window WB: TO-56 Flat Window WC: TO-46 Ball Lens--7mm Lead Length WD: TO-46 Ball Lens--13mm Lead Length X: Bare Dice Notice Vitesse Semiconductor Corporation ("Vitesse") provides this document for informational purposes only. This document contains pre-production information about Vitesse products in their concept, development and/or testing phase. All informaiton in this document, including descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time. Nothing contained in this document shall be construed as extending any warranty or promise, express or implied, that any Vitesse product will be available as described or will be suitable for or will accomplish any particular task. Vitesse products are not intended for use in life support appliances, devices or systems. Use of a Vitesse product in such applications without written consent is prohibited. G52363-0, Rev 2.1 04/05/01 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com Page 9 VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Family for Optical Communication Advance Product Information VSC7807 Page 10 (c) VITESSE SEMICONDUCTOR CORPORATION * 741 Calle Plano * Camarillo, CA 93012 Tel: (800) VITESSE * FAX: (805) 987-5896 * Email: prodinfo@vitesse.com Internet: www.vitesse.com G52363-0, Rev 2.1 04/05/01 |
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