參數(shù)資料
型號(hào)： AD9882KSTZ-100
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/40頁(yè)
文件大小： 0K
描述： IC INTERFACE/DVI 100MHZ 100LQFP
標(biāo)準(zhǔn)包裝： 1
應(yīng)用： 視頻
接口： 模擬，DVI
電源電壓： 3.15 V ~ 3.45 V
封裝/外殼： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-LQFP（14x14）
包裝： 管件
安裝類(lèi)型： 表面貼裝
Dual Interface for
Flat Panel Displays
AD9882A
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
Fax: 781.326.8703
2004 Analog Devices, Inc. All rights reserved.
FEATURES
Analog interface
140 MSPS maximum conversion rate
Programmable analog bandwidth
0.5 V to 1.0 V analog input range
500 ps p-p PLL clock jitter at 140 MSPS
3.3 V power supply
Full sync processing
Midscale clamping
4:2:2 output format mode
Digital interface
DVI 1.0 compatible interface
112 MHz operation
High skew tolerance of 1 full input clock
Sync detect for hot plugging
Supports high bandwidth digital content protection
APPLICATIONS
RGB graphics processing
LCD monitors and projectors
Plasma display panels
Scan converter
Microdisplays
Digital TV
FUNCTIONAL BLOCK DIAGRAM
A/D
CLAMP
RAIN
GAIN
BAIN
SOGIN
HSYNC
SYNC
PROCESSING AND
CLOCK
GENERATION
FILT
VSYNC
SCL
SDA
A0
RX0+
RX0–
RX1+
RX1–
RX2+
RX2–
RXC+
RXC–
RTERM
DDCSCL
DDCSDA
MCL
MDA
8
A/D
CLAMP
8
A/D
CLAMP
8
ANALOG INTERFACE
MUXES
DATACK
HSOUT
VSOUT
SOGOUT
8
REF
ROUT
GOUT
BOUT
ROUT
GOUT
BOUT
ROUT
GOUT
BOUT
DATACK
DE
HSYNC
VSYNC
DATACK
HSOUT
CSOUT
SOGOUT
DE
REFBYPASS
8
DVI
RECEIVER
HDCP
8
AD9882A
SERIAL REGISTER AND
POWER MANAGEMENT
DIGITAL INTERFACE
05123-
001
Figure 1.
GENERAL DESCRIPTION
The AD9882A offers designers the flexibility of an analog inter-
face and a digital visual interface (DVI) receiver integrated on a
single chip. Also included is support for high bandwidth digital
content protection (HDCP).
Analog Interface
The AD9882A is a complete, 8-bit, 140 MSPS monolithic
analog interface optimized for capturing RGB graphics signals
from personal computers and workstations. Its 140 MSPS
encode rate capability and full power analog bandwidth of 300
MHz sup-ports resolutions up to SXGA (1280 × 1024 at 75 Hz).
The analog interface includes a 140 MHz triple ADC with
internal 1.25 V reference, a phase-locked loop (PLL), program-
mable gain, offset, and clamp control. The user provides only a
3.3 V power supply, analog input, and Hsync. Three-state
CMOS outputs can be powered from 2.2 V to 3.3 V.
The AD9882A’s on-chip PLL generates a pixel clock from
Hsync. Pixel clock output frequencies range from 12 MHz to
140 MHz. PLL clock jitter is typically 500 ps p-p at 140 MSPS.
The AD9882A also offers full sync processing for composite
sync and sync-on-green (SOG) applications.
Digital Interface
The AD9882A contains a DVI 1.0 compatible receiver and
supports display resolutions up to SXGA (1280 × 1024 at
60 Hz). The receiver features an intrapair skew tolerance of up
to one full clock cycle.
With the inclusion of HDCP, displays can now receive
encrypted video content. The AD9882A allows for authentica-
tion of a video receiver, decryption of encoded data at the
receiver, and renewability of that authentication during trans-
mission, as specified by the HDCP v1.0 protocol. It also has
high tolerance of noncompliant HDCP sources.
Fabricated in an advanced CMOS process, the AD9882A is
provided in a space-saving, 100-lead LQFP surface-mount
plastic package and is specified over the 0°C to 70°C
temperature range. It is available in a Pb-free package.
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