AD9381 Analog Devices, AD9381 Datasheet

AD9381

Manufacturer Part Number

AD9381

Description

HDMI Display Interface

Manufacturer

Analog Devices

Datasheet

1.AD9381.pdf (44 pages)

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FEATURES

Internal HDCP keys

HDMI interface

Digital video interface

Digital audio interface

APPLICATIONS

Advanced TVs

HDTVs

Projectors

LCD monitors

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 (1280×1024 @ 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.

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.

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

HDMI 1.1, DVI 1.0

150 MHz HDMI receiver

Supports high bandwidth digital content protection

HDMI 1.1-compatible audio interface

S/PDIF (IEC90658-compatible) digital audio output

Multichannel I

(HDCP 1.1)

S audio output (up to 8 channels)

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

DDCSDA

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°C to 70°C temperature

range.

DDCSCL

RTERM

RxC+

RxC–

Rx0+

Rx0–

Rx1+

Rx1–

Rx2+

Rx2–

SDA

SCL

HDMI™ Display Interface

FUNCTIONAL BLOCK DIAGRAM

POWER MANAGEMENT

SERIAL REGISTER

HDMI RECEIVER

HDCP

AND

Figure 1.

HDCP KEYS

R/G/B 8 × 3

OR YCbCr

DATACK

HSYNC

VSYNC

AD9381

www.analog.com

R/G/B 8 × 3

YCbCr (4:2:2

OR 4:4:4)

S/PDIF

8-CHANNEL

MCLK

LRCLK

DATACK

HSOUT

VSOUT

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