Datasheet

MAX3816A
I
2
C 2-Wire Extender for DDC in DVI,
HDMI, and VGA Interfaces
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Typical In-Display Operating Circuits
RGB/HV
ADC/SYNC
TMDS
DESERIALIZER
SELECT
IMAGE
SCALER AND
PROCESSOR
PANEL
INTERFACE
TIMING AND
DRIVERS
LCD,
DLP,
OR
LCOS
VGA INPUT
HDMI/DVI-D
INPUT
HDMI/DVI-D CABLE
UP TO 60m OR 200ft
LAPTOP
VIDEO PROJECTOR
TMDS EQUALIZER
MAX3815
MAX3816A
DDC EXTENDER
DRVR_EN
V
CC
CLOCK_C
DATA_C
GND_REF
CLOCK_D
V
SS
DATA_D
V
DD
DDC SCL
DDC SDA
DDC +5V
DDC +5V
FROM
SOURCE
DDC SCL
DDC SDA
DISPLAYGND
DRIVERS
INDISPLAY
DDC EXTENDER
ONE MAX3816A USED AT DISPLAY SIDE OF CABLE
IN CABLE HEAD, OR EXTENDER BOX, OR DISPLAY
DISPLAY CLIENT
CONNECTOR (OR SHORT CABLE < 3m)
TO PROJECTOR, LCD, PLASMA
47kΩ 47kΩ
3.3kΩ
3.3kΩ
10μF
10μF
GROUND PLANE
LONG CABLE
UP TO 60 METERS (200ft)
DVI OR HDMI CABLE, OR CAT-5
SOURCE CLIENT
DDC MASTER IN VIDEO SOURCE:
PC, DVD, STB
V
CC
SHIELDGNDS
DDC SCL
DDC SDA
DDC+5V
DDC GND
DDC SCL
DDC SDA
DDC+5V
SHIELDGNDS SHIELDGNDS
DDC GND DDC GND
V
DD
OR V
SS
MAX3816A
DDC +5V
DDC SCL
DDC SDA
SOURCEGND
DRIVERS
INSOURCE
R
PULLUP
R
PULLUP
R
PULLUP
R
PULLUP
MODE
V
SS