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22nd July 2005, 23:08 #1
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for example, Assume that some amp's common output voltage is Vdd/2 .
Since this amp just have common output voltage at Vdd/2, Is this amp can be considered to have maximum output swing?
how I can measure differential amp's output swing?
I have to configure voltage buffer with differential amp?
22nd July 2005, 23:08
23rd July 2005, 03:28 #2
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output voltage swing
In simple terms, theoutput voltage swing is the range of voltage that an opamp phisically provide at its output.
For example, for a load >2K, the 741 can swing to within about 2 volts of the supply (+/-15V).
Op-amps with MOS transistor outputs(CA3130 and CA3160) can swing all the way to positive and negative supply voltages.
If you apply higher voltage to the (+) input than to the (-) input, the output will swing to +V - something1, if you reverse inputs, the output will swing to -V+something2. The difference between something1 and something2 will be the output voltage swing..
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