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PDF IP4773CZ14 Data sheet ( Hoja de datos )
| Número de pieza | IP4773CZ14 | |
| Descripción | VGA Interface | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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IP4773CZ14
VGA Interface with integrated buffer, ESD protection and
termination resistor
Rev. 01 — 24 February 2009
Product data sheet
1. General description
The IP4773CZ14 is a VGA or DVI-I interface intended to be connected between a video
transmitter such as a PC graphics card and a VGA or DVI-I receiver, such as a PC
monitor. The IP4773CZ14 has ESD protection for the DDC lines, ESD protection plus
buffering for the h-sync and v-sync lines and high-level ESD protection diodes for the
R, G, B video signal lines.
The synchronizing signals are buffered by non-inverting buffers which can accept
TTL-level input. The buffers convert TTL-level input to CMOS-level output which swings
between VCC(SYNC) and GND.
An external termination resistor can be added to achieve the desired termination, which is
typically required for the h-sync and v-sync lines of the video interface.
The IP4773CZ14 has a typical output resistance (RO) of 10 Ω.
2. Features
I Integrated high-level ESD protection, buffering, sync-signal impedance matching
I All pin connections have integrated rail-to-rail clamping diodes providing downstream
ESD protection of ±8 kV according to IEC 61000-4-2, level 4
I Drivers for h-sync and v-sync lines
I Line capacitance < 4 pF per channel
3. Applications
Buffer and terminating channels, reduce EMI and RFI, and provide downstream ESD
protection for:
I VGA interfaces including DDC channels
I Desktop and notebook PCs, LCD TVs and PC monitors
I Graphics cards
I Set-top boxes
I Game consoles
I DVD players
1 page  
NXP Semiconductors
IP4773CZ14
VGA interface with ESD protection
9. Application information
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9.1 Connections
The IP4773CZ14 should be placed as close as possible to the VGA or DVI-I interface
connector. The ESD-protected channels on pins VIDEO_1, VIDEO_2 and VIDEO_3 can
be connected in any order to R, G, B signals. The sync buffers are equivalent and can be
connected to either h-sync or v-sync signals.
RED
GREEN
BLUE
FILTER
FILTER
FILTER
VSYNC
HSYNC
DDC_Clock
DDC_Data
VIDEO_1
VIDEO_2
VIDEO_3
VCC(VIDEO)
BYP
SYNC_IN1
SYNC_OUT1
IP4773CZ14
SYNC_IN2
SYNC_OUT2
DDC_IN1
DDC_IN2
VCC(SYNC)
GND
Fig 3. Transmitter application
VCC_DAC
VSYNC_OUT
HSYNC_OUT
SYNC_ GND
VCC_5V
BLUE
GREEN
RED
RGB GND
DDC_Clock
DDC_Data
001aai173
IP4773CZ14_1
Product data sheet
Rev. 01 — 24 February 2009
© NXP B.V. 2009. All rights reserved.
5 of 12
5 Page 
NXP Semiconductors
IP4773CZ14
VGA interface with ESD protection
14. Legal information
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14.1 Data sheet status
Document status[1][2]
Product status[3]
Objective [short] data sheet Development
Preliminary [short] data sheet Qualification
Product [short] data sheet
Production
Definition
This document contains data from the objective specification for product development.
This document contains data from the preliminary specification.
This document contains the product specification.
[1] Please consult the most recently issued document before initiating or completing a design.
[2] The term ‘short data sheet’ is explained in section “Definitions”.
[3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nxp.com.
14.2 Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. NXP Semiconductors does not give any
representations or warranties as to the accuracy or completeness of
information included herein and shall have no liability for the consequences of
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is intended
for quick reference only and should not be relied upon to contain detailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local NXP Semiconductors sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
14.3 Disclaimers
General — Information in this document is believed to be accurate and
reliable. However, NXP Semiconductors does not give any representations or
warranties, expressed or implied, as to the accuracy or completeness of such
information and shall have no liability for the consequences of use of such
information.
Right to make changes — NXP Semiconductors reserves the right to make
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. This document supersedes and replaces all information supplied prior
to the publication hereof.
Suitability for use — NXP Semiconductors products are not designed,
authorized or warranted to be suitable for use in medical, military, aircraft,
space or life support equipment, nor in applications where failure or
malfunction of an NXP Semiconductors product can reasonably be expected
to result in personal injury, death or severe property or environmental
damage. NXP Semiconductors accepts no liability for inclusion and/or use of
NXP Semiconductors products in such equipment or applications and
therefore such inclusion and/or use is at the customer’s own risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. NXP Semiconductors makes no
representation or warranty that such applications will be suitable for the
specified use without further testing or modification.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) may cause permanent
damage to the device. Limiting values are stress ratings only and operation of
the device at these or any other conditions above those given in the
Characteristics sections of this document is not implied. Exposure to limiting
values for extended periods may affect device reliability.
Terms and conditions of sale — NXP Semiconductors products are sold
subject to the general terms and conditions of commercial sale, as published
at http://www.nxp.com/profile/terms, including those pertaining to warranty,
intellectual property rights infringement and limitation of liability, unless
explicitly otherwise agreed to in writing by NXP Semiconductors. In case of
any inconsistency or conflict between information in this document and such
terms and conditions, the latter will prevail.
No offer to sell or license — Nothing in this document may be interpreted
or construed as an offer to sell products that is open for acceptance or the
grant, conveyance or implication of any license under any copyrights, patents
or other industrial or intellectual property rights.
14.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
15. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [email protected]
IP4773CZ14_1
Product data sheet
Rev. 01 — 24 February 2009
© NXP B.V. 2009. All rights reserved.
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