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參數(shù)資料
| 型號： | IP4769CZ14 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 電路保護 |
| 英文描述： | VGA interface ESD protection with integrated termination resistors |
| 封裝： | IP4769CZ14<SOT402-1 (TSSOP14)|<<http://www.nxp.com/packages/SOT402-1.html<1<Always Pb-free,; |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 110K |
| 代理商： | IP4769CZ14 |
IP4769CZ14
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 1 — 17 January 2011
6 of 11
NXP Semiconductors
IP4769CZ14
VGA interface ESD protection with integrated termination resistors
8. Application information
To maximize ESD clamping performance, the IP4769CZ14 should be placed as close as
possible to the VGA/DVI connector. The ESD protection channels VIDEO_1, VIDEO_2
and VIDEO_3 are identical and can be connected in any order with R, B, G signals to
simplify routing, and minimize stubs and vias. The SYNC protection lines are also
identical and can be used in any order for HSYNC or VSYNC signals. The DDC level
shifter lines are likewise identical in function.
The pull-up resistors on the DDC lines are dictated by the application, depending on the
values of the internal pull-ups provided in the Application-Specific Integrated
Circuit (ASIC), etc. Weak pull-ups may be required, for example, to pull up the DDC_INx
lines to VCC_5V when no monitor is connected, if the local ASIC does not include internal
pull-ups. Unexpected backdrive current can flow through these resistors though, when an
external monitor is powered and the local VCC_5V is powered down. Backdrive protection
should be considered if this is a concern.
Fig 3.
Application diagram
VIDEO_1
VIDEO_2
VIDEO_3
DDC_IN1
DDC_IN2
SYNC_IN1
SYNC_IN2
DDC_OUT1
DDC_OUT2
GND
GND
BYP
V
BIAS_VIDEO
V
BIAS_DDC
RED
GREEN
BLUE
3V3
DDC_CLK
DDC_CLK
DDC_DATA
DDC_DATA
3V3
5V0
DDC_DAC
RED
GREEN
BLUE
RGB GND
HSYNC
HSYNC_OUT
VSYNC
VSYNC_OUT
SYNC_GND
47 k
Ω
2 k
Ω
018aaa069
47 k
Ω
2 k
Ω
ASIC SIDE
CONNECTOR SIDE
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| IP4770CZ16 | VGA-video interface with integrated buffers, ESD protection and integrated termination resistors |
| IP4771CZ16 | VGA-video interface with integrated buffers, ESD protection and integrated termination resistors |
| IP4772CZ16 | VGA-video interface with integrated buffers, ESD protection and integrated termination resistors |
| IP4773CZ14 | VGA Interface with integrated buffer, ESD protection and termination resistor |
| IP4774CZ14 | VGA interface with integrated h-sync buffer, ESD protection and termination resistor |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IP4769CZ14,118 | 功能描述:視頻 IC IC VGA RX DDC LEVEL SHIF RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| IP4769CZ14118 | 制造商:NXP Semiconductors 功能描述: |
| IP4770CZ16 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:VGA/video interface with integrated buffers, ESD protection and integrated termination resistors |
| IP4770CZ16 /T3 | 功能描述:視頻 IC VGA/VIDEO INTERFACE RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| IP4770CZ16,118 | 功能描述:視頻 IC VGA/VIDEO INTERFACE RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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