I2C 2-Wire Extender for DDC in DVI, HDMI, and VGA Interfaces __________" />
參數(shù)資料
型號(hào): MAX3816ACUE+
廠商: Maxim Integrated Products
文件頁數(shù): 5/18頁
文件大小: 0K
描述: IC I2C 2WIRE EXTENDER 16-TSSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 96
類型: 擴(kuò)展件
應(yīng)用: HD 顯示器,DVI/HDMI
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 管件
MAX3816A
I2C 2-Wire Extender for DDC in DVI,
HDMI, and VGA Interfaces
______________________________________________________________________________________
13
External Box or Cable Assembly
Applications
Three implementations external to the display such as
external box products or cable assemblies are shown
in Figures 6, 7, and 8.
MAX3816A External to Display, In Series
Advantages (See Figure 6)
Long cable reach.
The MAX3816A acts as a buffer between the source
and display. Hence, source reflections are isolated
to the source side of the MAX3816A, protecting dis-
play circuits from possible double clocking due to
stair-step waveforms caused by very long cables
with reflections.
The MAX3816A can be turned off (DRVR_EN assert-
ed low) to isolate source and display buses. The dis-
play bus can then operate independently of
source-cable loading or malfunctions. Also, multiple
MAX3816As can be used in parallel as an input mux
to display, with only one “on” at a time.
Consideration
Only one series-connected MAX3816A is allowed on a
bus. Two or more series-connected MAX3816A ICs will
not function. If multiple MAX3816A ICs are expected,
use the parallel applications in Figures 7 and 8.
Figure 6. External to Display, In Series
DRVR_EN
VCC
CLOCK_C
DATA_C
RETURN
CLOCK_D
VSS
DATA_D
5V*
DDC SCL
DDC SDA
DDC +5V
47k
Ω
47k
Ω
3.3k
Ω
3.3k
Ω
10
μF
10
μF
GROUND PLANE
CABLE HEAD OR EXTENDER BOX
*TO MEET DVI/HDMI SPECIFICATIONS FOR THE DDC +5V LINK, THE VDD SIDE OF THE MAX3816A MUST BE EXTERNALLY POWERED.
IF NOT APPLICABLE, CONNECT TO DDC +5V.
LONG CABLE FROM VIDEO SOURCE:
DVI, HDMI, OR CAT-5 CABLE UP TO 60m
(200ft)
CONNECTOR TO DISPLAY
DVI, HDMI, OR M1 CONNECTOR, < 3m
VCC
SHIELD GNDS
DDC SCL
DDC SDA
DDC +5V
SHIELD GNDS
DDC GND
VDD OR VSS (SEE DESCRIPTION)
MAX3816A
MODE
VSS
VDD
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