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PINCONFIGURATION
THS7313
SLOS483–NOVEMBER2005
THS7313PW
tssop(20-管脚)
(topview)
一个.ncindicatesthereisnointernalconnectiontothesepins.itisrecommended,butnotrequired,toconnectthesepins
tognd.
TERMINALFUNCTIONS
终端
描述
nameno.
n/c1,20nointernalconnection.itisrecommended,butnotrequired,toconnectthesepinstognd
ch.1–inputa2videoinputchannel1.inputa
ch.2–inputa3videoinputchannel2.inputa
ch.3–inputa4videoinputchannel3.inputa
ch.1–inputb5videoinputchannel1.inputb
ch.2–inputb6videoinputchannel2.inputb
ch.3–inputb7videoinputchannel3.inputb
i2c-a18i
2
cslaveaddresscontrolbita.1connecttovs+foralogic1presetvalueorgndforalogic0presetvalue.
i2c-a09i
2
cslaveaddresscontrolbita0.connecttovs+foralogic1presetvalueorgndforalogic0presetvalue.
GND10Groundreferencepinforallinternalcircuitry
vs+11positivepowersupplyinputpin.connectto2.7vto5v
SerialdatalineoftheI
2
cbus.thepull-upresistorshouldhaveaminimumvalue=2-k
Ω
andamaximum
SDA12
值=19-k
Ω
.pulluptovs+
I
2
cbusclockline.thepull-upresistorshouldhaveaminimumvalue=2-k
Ω
andamaximumvalue=19k
Ω
.
SCL13
PulluptoVs+
ch.3-sag14videooutputchannel3sagcorrectionpin.ifsagisnotused,connectdirectlytoch.3–outputpin.
ch.3–output15videooutputchannel3fromeitherch.3–inputaorch.3–inputb
ch.2-sag16videooutputchannel2sagcorrectionpin.ifsagisnotused,connectdirectlytoch.2–outputpin.
ch.2–output17videooutputchannel2fromeitherch.2–inputaorch.2–inputb
ch.1-sag18videooutputchannel1sagcorrectionpin.ifsagisnotused,connectdirectlytoch.1–outputpin.
ch.1–output19videooutputchannel1fromeitherch.1–inputaorch.1–inputb
9
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