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PACVGA100 fiches techniques PDF

California Micro Devices - VGA Port ESD Protection and Termination Network

Numéro de référence PACVGA100
Description VGA Port ESD Protection and Termination Network
Fabricant California Micro Devices 
Logo California Micro Devices 





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PACVGA100 fiche technique
PACVGA100/101
VGA Port ESD Protection and Termination Network
Features
• Seven channel ESD protection
+15 kV ESD protection per channel, connector
side (HBM)
+8 kV contact, 15 kV air discharge ESD protection
per channel, connector side (IEC 61000-4-2 Level
4 standard)
• Low loading capacitance—4.5pF typical
• 16-pin QSOP package
Applications
• ESD protection and termination resistors for VGA
(video) port interfaces
• Desktop PCs
• Notebook computers
• LCD monitors
Product Description
The PACVGA100/101 functions as a transmission line
termination and ESD protection device for video appli-
cations. It provides 75 ohm parallel terminations for
video R, G, and B lines and series terminations for the
Horizontal Sync, Vertical Sync and the two DDC lines
which serve as Plug and Play logic signals. In addition,
all interface lines provide Level 4 ESD protection per
the IEC 61000-4-2 contact discharge specification. The
PACVGA100 provides internal pull-up resistors (R3) for
the two DDC lines whereas the PACVGA101 omits
these internal pull-ups so that different pull-up resistor
values can be added externally.
Typical Application Circuit
Simplified Electrical Schematic
VCC
R1, R2 required
only for VGA101 R1 R2
Red
Grn
Blue
H-Sync
V-Sync
DDC_Data
DDC_Clk
(See Note 1)
VCC CBYPASS
1 8 16 0.2uF
2
3
5
76
9 10
11 12
14 15
4 13
R
G
B
H-Sync
V-Sync
DDC_Data
DDC_Clk
www.DatNaSohteee1t:4FUor.cboemst ESD protection, minimize R/G/B trace lengths
between the PACVGA100/101 device and the video
connector.
R1 = 75Ω, R2 = 33
R3 = 2.2K(for PACVGA100 only)
* R3 omitted for PACVGA101
© 2002 California Micro Devices Corp. All rights reserved.
02/14/02 215 Topaz Street, Milpitas, California 95035 L Tel: (408) 263-3214 L Fax: (408) 263-7846 L www.calmicro.com
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