VSC7810 Vitesse Semiconductor Corp., VSC7810 Datasheet

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VSC7810

Manufacturer Part Number
VSC7810
Description
Manufacturer
Vitesse Semiconductor Corp.
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
VSC7810
Manufacturer:
SHARP
Quantity:
7 590
Part Number:
VSC7810WB
Quantity:
140 000
Part Number:
VSC7810WC
Manufacturer:
N/A
Quantity:
20 000
G52145-0, Rev 4.1
04/05/01
VSC7810
Data Sheet
Features
General Description
for converting 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 dis-
tortion and jitter meet or exceed all Fibre Channel and Gigabit Ethernet application requirements. Parts are
available in either die form, flat-windowed packages or in ball-lens packages.
amplifier, the input capacitance is lowered which allows for a larger optically active area than in discrete photo-
detectors. Integration also allows superior tracking over process, temperature and voltage between the photode-
tector and the amplifier, resulting in higher performance. This part can easily be used in developing Fibre
Channel Electro-Optic Receivers which exhibit very high performance and ease of use.
VSC7810 Block Diagram
• Integrated Photodetector/Transimpedance
• Integrated AGC
• Fibre Channel/Gigabit Ethernet Compatible
Part Number
Amplifier Optimized for High-Speed Optical
Communications Applications
The VSC7810 integrated Photodetector/Transimpedance Amplifier provides a highly integrated solution
By using a metal-semiconductor-metal (MSM) photodetector with a monolithic integrated transimpedance
VSC7810
Full Speed: 1.25Gb/s
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Data Rate
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Both DOUTP and DOUTN are back-terminated to 25
VITESSE
SEMICONDUCTOR CORPORATION
Photodetector/Transimpedance Amplifier
Internet: www.vitesse.com
Bandwidth
(MHz)
1200
+3.3V
GND
• High Bandwidth
• Low Input Noise Equivalent Power
• Large Optically Active Area
• Single 5V Power Supply
Photodetector/Transimpedance Amplifier
Input Noise
( W rms)
Family for Optical Communication
0.45
DOUTP
DOUTN
Optically Active Area
( m diameter)
100
Page 1

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VSC7810 Summary of contents

Page 1

... Full Speed: 1.25Gb/s General Description The VSC7810 integrated Photodetector/Transimpedance Amplifier provides a highly integrated solution for converting 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 ...

Page 2

... Internet: www.vitesse.com Data Sheet VSC7810 Units Conditions V mA Frequencies up to 40MHz dB (includes external filter). nm (4) MHz -3dB -15dBm @ 50MHz (4) MHz -3dB -15dBm @ 50MHz -12(3) dBm 1.063Gb/s, BER10 P = -4.5dBm 100 differential ...

Page 3

... Data Sheet VSC7810 Frequency response of VSC7810WB upper 3db frequency is measured with respect to response at 50 MHz Table 2: Absolute Maximum Ratings Symbol Parameter V Power Supply SS T Storage Temperature STG H Storage Humidity STG H Operating Humidity OP P Incident Optical Power INC IS Impact Shock V Vibration IB ESD Voltage on DOUTP, DOUTN, VSS, ...

Page 4

... SEMICONDUCTOR CORPORATION Description Data output normal (with reference to incident light) Data output complement (inverting, with reference to incident light) Power supply Ground (package case) Figure 2: Pin Diagram VSS GND Bottom View GND GND Internet: www.vitesse.com Data Sheet VSC7810 DOUTN GND VSS G52145-0, Rev 4.1 04/05/01 ...

Page 5

... JC = Thermal Resistance from Junction to Case = (8 + 27.24 + 47) = 82.24 C/W Example: For VSC7810 at nominal supply current of 25mA and Vss = 5V Temperature rise from junction to case = 0.025A 82.24 C/W = 10.28 C G52145-0, Rev 4.1 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 04/05/01 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com ...

Page 6

... Internet: www.vitesse.com Data Sheet VSC7810 Bandwidth vs. Die Temperature 5. Die Temperature ( C) 7 Data vs. Die Temperature 5V 5. Die Temperature ( C) RMS Differential Output Noise Voltage vs. Die Temperature 5. 100 Die Temperature ( C) G52145-0, Rev 4.1 100 ...

Page 7

... Data Sheet VSC7810 229mV 46mV /div not trig'd -231mV 39.34ns 15.56mV Top Btm -23.1mV Lft 39.91ns Rgt 40.55ns G52145-0, Rev 4.1 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 04/05/01 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com ...

Page 8

... Notes on Measurement Conditions and Applications Note 1: Noise Measurement Method The VSC7810 is specified to operate in the following two ranges of temperature: (a) “normal” from 0°C (ambient) to 70°C (case) and (b) “Extended” from 0°C (ambient) to 90°C (case). In the extended range, the operating parameters are specified in Table 6. ...

Page 9

... Data Sheet VSC7810 Note 3: Measurement Setup for Frequency Response Lightwave Component Analyzer HP8702 Laser Attenuator Note 4: Bias T Schematic Signal G52145-0, Rev 4.1 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 04/05/01 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com ...

Page 10

... VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION (4x) 0.365 (4x) 0.055 (6x) 0.11 DOUTP GND VSC7809 VSS (2x) 0.247 (2x) 0.1235 (2x) 0.18 0.835 0.05 0.94 0.05 1.04 ± 0.05 Internet: www.vitesse.com Data Sheet VSC7810 0.42 DOUTN GND GND G52145-0, Rev 4.1 04/05/01 ...

Page 11

... Data Sheet VSC7810 TO-56 Flat Window Package G52145-0, Rev 4.1 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 04/05/01 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Reference Isometric Internet: www.vitesse.com Family for Optical Communication ...

Page 12

... Family for Optical Communication TO-46 Ball Lens Package—7mm Lead Length Page 12 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION Reference Isometric Internet: www.vitesse.com Data Sheet VSC7810 G52145-0, Rev 4.1 04/05/01 ...

Page 13

... Data Sheet VSC7810 TO-46 Ball Lens Package—13mm Lead Length G52145-0, Rev 4.1 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 04/05/01 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION Photodetector/Transimpedance Amplifier Reference Isometric Internet: www.vitesse.com ...

Page 14

... Photodetector/Transimpedance Amplifier Family for Optical Communication Page 14 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com VITESSE SEMICONDUCTOR CORPORATION Internet: www.vitesse.com Data Sheet VSC7810 G52145-0, Rev 4.1 04/05/01 ...

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