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PDF ADV7520NK Data sheet ( Hoja de datos )
| Número de pieza | ADV7520NK | |
| Descripción | Low-Power HDMI/DVI Transmitter | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Low Power HDMI/DVI Transmitter with
Consumer Electronic Control (CEC)
ADV7520NK
FEATURES
General
Low power HDMI/DVI transmitter ideal for portable
applications
CEC controller and buffer reduce system overhead
Compatible with HDMI v.1.3, DVI v.1.0, and HDCP 1.3
Supports xvYCC functionality
Single 1.8 V power supply
Video/audio inputs accept logic levels from 1.8 V to 3.3 V
Digital video
80 MHz operation supports all HDTV resolutions from
480i to 1080i
Programmable 2-way color space converter
Supports RGB, YCbCr, and DDR
Supports ITU656-based embedded syncs
Automatic input video format timing detection (CEA-861D)
Digital audio
Supports standard S/PDIF for stereo LPCM or compressed
audio up to 192 kHz
8-channel, uncompressed LPCM I2S audio up to 192 kHz
Special features for easy system design
On-chip MPU with I2C master to perform HDCP operations
and EDID reading operations
5 V tolerant I2C and HPD I/Os, no extra device needed
No audio master clock needed for supporting S/PDIF and I2S
On-chip MPU reports HDMI events through interrupts and
registers
APPLICATIONS
Digital video cameras
Digital still cameras
Personal media players
Cellular handsets
DVD players and recorders
Digital set-top boxes
A/V receivers
HDMI repeater/splitter
GENERAL DESCRIPTION
The ADV7520NK is an 80 MHz, high definition multimedia
interface (HDMI™) v.1.3 transmitter with consumer electronic
control (CEC). It supports HDTV formats up to 720p and 1080i
and computer graphic resolutions up to XGA (1024 × 768 @
75 Hz). With the inclusion of HDCP, the ADV7520NK allows
the secure transmission of protected content, as specified by the
HDCP 1.3 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
FUNCTIONAL BLOCK DIAGRAM
SCL SDA MCL MDA
INT
I2C
SLAVE
HDCP
CORE
HDCP AND EDID
MICRO-
CONTROLLER
HPD
CLK
VSYNC
HSYNC
DE
D[23:0]
S/PDIF
MCLK
I2S[3:0]
LRCLK
SCLK
REGISTERCON
FIGURATION
LOGIC
I2C
MASTER
CEC CONTROLLER
BUFFER
VIDEO
DATA
CAPTURE
SYNC
ADJUSTMENT
AND
GENERATION
AUDIO
DATA
CAPTURE
COLOR
SPACE
CONVERSION
ADV7520NK
HDMI Tx
CORE
Figure 1.
DDCSCL
DDCSDA
CEC
Tx0[1:0]
Tx1[1:0]
Tx2[1:0]
TxC[1:0]
The ADV7520NK supports both S/PDIF and 8-channel I2S audio.
Its high fidelity, 8-channel I2S can transmit either stereo or 7.1
surround audio at 192 kHz. The S/PDIF can carry stereo linear
pulse-code modulation (LPCM) audio or compressed audio,
including Dolby® Digital and DTS®.
The ADV7520NK helps reduce system design complexity and
cost by incorporating such features as an internal microprocessor
for high-bandwidth digital content protection (HDCP) operations,
an I2C® master for extended display identification data (EDID)
reading, a single 1.8 V power supply, and 5 V tolerance on the
I2C and hot plug detect pins. For additional information and
resources, see the Applications Information section.
Fabricated in an advanced CMOS process, the ADV7520NK
is available in a space saving, 76-ball CSP_BGA. The package is
RoHS compliant and is specified for −25°C to +90°C operation.
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
©2008 Analog Devices, Inc. All rights reserved.
1 page  
ADV7520NK
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Digital Inputs
Digital Output Current
Operating Temperature Range
Storage Temperature Range
Maximum Junction Temperature
Maximum Case Temperature
Rating
−0.3 V to +5 V
20 mA
−40°C to +100°C
−65°C to +150°C
150°C
150°C
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
EXPLANATION OF TEST LEVELS
I. 100% production tested.
II. 100% production tested at 25°C and sample tested at
specified temperatures.
III. Sample tested only.
IV. Parameter is guaranteed by design and characterization
testing.
V. Parameter is a typical value only.
VI. 100% production tested at 25°C; guaranteed by design
and characterization testing.
VII. Limits defined by HDMI specification; guaranteed by
design and characterization testing.
VIII. Guaranteed by design.
ESD CAUTION
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