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IP4770CZ16 Datasheet(PDF) 7 Page - NXP Semiconductors

Part No. IP4770CZ16
Description  VGA/video interface with integrated buffers, ESD protection and integrated termination resistors
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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IP4770CZ16 Datasheet(HTML) 7 Page - NXP Semiconductors

 
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IP4770CZ16_4771_4772_1
© NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 25 October 2006
7 of 11
NXP Semiconductors
IP4770/71/72CZ16
VGA/video interface with ESD protection
10. Application information
The IP4770CZ16, IP4771CZ16, IP4772CZ16 should be placed as close as possible to the
VGA/DVI interface connector.
The ESD protection channels VIDEO_1, VIDEO_2 and VIDEO_3 can be connected in
any order with RBG signals.
The 100 k
Ω resistors between the DDC_OUTx channels and VCC_5V are optional. They
may be used, if required, to pull-up the DDC_OUTx lines to VCC_5V when no monitor is
connected to the VGA connector. Backflow current can flow between pins DDC_OUTx
and VCC_5V via these resistors when VCC_5V is powered down.
Fig 3.
Application diagram
001aae819
100 k
100 k
DDC_CLK
DDC_DATA
GREEN_GND
BLUE_GND
BLUE_VIDEO
RED_GND
RED_VIDEO
DDC_CLK
DIG_GND
DDC_DATA
HSYNC_OUT
SYNC_GND
VSYNC_OUT
GREEN_VIDEO
HSYNC
VSYNC
EMI-filter
VIDEO_1
VCC(SYNC)
VCC(DCC)
VCC(VIDEO)
VIDEO_2
VIDEO_3
3
× 75 Ω
SYNC_OUT2
SYNC_IN2
SYNC_IN1
SYNC_OUT1
DCC_OUT2
DCC_IN2
DCC_IN1
DCC_OUT1
IP4770CZ16
IP4771CZ16
IP4772CZ16
BLUE
FILTER
GREEN
FILTER
RED
FILTER
VCC_5V
VCCGPIO
VCCA_DAC


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