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DAC1231 Datasheet(Hoja de datos) 8 Page - Texas Instruments

No. de Pieza. DAC1231
Descripción  DAC1231/DAC1232 12-Bit, mP Compatible,Double-Buffered D to A Converters
Descarga  20 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 8 page
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Application Hints (Continued)
11 Automatic Transfer
The 12-bit DAC word is automatically transferred to the DAC register and the R-2R ladder when the second write (the 4 LSBs of
the data) occurs
TLH5690 – 7
12 Independent Processor Transfer Control
In this case a separate address is decoded to provide the XFER signal This allows the processor to load the next required DAC
word but not change the analog output until some time later most useful for the simultaneous updating of several DACs in a
system where their XFER lines would be tied together
TLH5690 – 8
13 Transfer via an External Strobe
This method is basically the same as the previous operation except the XFER signal is provided by a device other than the
processor This allows the DAC to hold the code for a conditional analog output signal which will be required on demand from an
external monitoring device (an analog voltage comparator for instance)
WR2 tied to a logic low (0V)
TLH5690 – 9
7




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