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AD9381 Datasheet

  • AD9381

  • HDMI? Display Interface

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HDMI鈩?Display Interface
AD9381
FEATURES
Internal HDCP keys
HDMI interface
Supports high bandwidth digital content protection
RGB to YCbCr 2-way color conversion
1.8 V/3.3 V power supply
100-lead Pb-free LQFP
RGB and YCbCr output formats
Digital video interface
HDMI 1.1, DVI 1.0
150 MHz HDMI receiver
Supports high bandwidth digital content protection
(HDCP 1.1)
Digital audio interface
HDMI 1.1-compatible audio interface
S/PDIF (IEC90658-compatible) digital audio output
Multichannel I
2
S audio output (up to 8 channels)
FUNCTIONAL BLOCK DIAGRAM
R/G/B 8 脳 3
SCL
SDA
SERIAL REGISTER
AND
POWER MANAGEMENT
YCbCr (4:2:2
OR 4:4:4)
RGB
鈫擸CbCr
COLORSPACE CONVERTER
2
DATACK
HSOUT
VSOUT
Rx0+
Rx0鈥?/div>
Rx1+
Rx1鈥?/div>
Rx2+
Rx2鈥?/div>
RxC+
RxC鈥?/div>
RTERM
HDMI RECEIVER
2
R/G/B 8 脳 3
OR YCbCr
DATACK
HSYNC
VSYNC
DE
DE
S/PDIF
8-CHANNEL
I
2
S
MCLK
LRCLK
DDCSCL
Advanced TVs
HDTVs
Projectors
LCD monitors
AD9381
Figure 1.
GENERAL DESCRIPTION
The AD9381 offers a high definition multimedia interface
(HDMI) receiver integrated on a single chip. Also included is
support for high bandwidth digital content protection (HDCP)
via an internal key storage.
The AD9381 contains an HDMI 1.0-compatible receiver and
supports all HDTV formats (up to 1080p) and display
resolutions up to SXGA (1280脳1024 @ 75 Hz). The receiver
features an intrapair skew tolerance of up to one full clock cycle.
With the inclusion of HDCP, displays may now receive
encrypted video content. The AD9381 allows for authentication
of a video receiver, decryption of encoded data at the receiver,
and renewability of that authentication during transmission as
specified by the HDCP 1.1 protocol.
Fabricated in an advanced CMOS process, the AD9381 is
provided in a space-saving, 100-lead, surface-mount, Pb-free
plastic LQFP and is specified over the 0掳C to 70掳C temperature
range.
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
漏 2005 Analog Devices, Inc. All rights reserved.
05689-001
APPLICATIONS
DDCSDA
HDCP
HDCP KEYS

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