Datasheet

DAC7568
DAC8168
DAC8568
www.ti.com SBAS430D –JANUARY 2009–REVISED MAY 2012
Example 2: Load New Data to DAC C, D, E, F Sequentially
1st: Write to data buffer C and load DAC C: DAC C output settles to specified value upon completion:
DB30- DB19-
DB31
DB28
DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20
DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Don't D16-
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 F3 F2 F1 F0
0 X 0 0 1 1 0 0 1 0 DATA X X X X
2nd: Write to data buffer D and load DAC D: DAC D output settles to specified value upon completion:
DB30- DB19-
DB31
DB28
DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20
DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Don't D16-
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 F3 F2 F1 F0
0 X 0 0 1 1 0 0 1 1 DATA X X X X
3rd: Write to data buffer E and load DAC E: DAC E output settles to specified value upon completion:
DB30- DB19-
DB31
DB28
DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20
DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Don't D16-
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 F3 F2 F1 F0
0 X 0 0 1 1 0 1 0 0 DATA X X X X
4th: Write to data buffer F and load DAC F: DAC F output settles to specified value upon completion:
DB30- DB19-
DB31
DB28
DB27 DB26 DB25 DB24 DB23 DB22 DB21 DB20
DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Don't D16-
0 Care C3 C2 C1 C0 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 F3 F2 F1 F0
0 X 0 0 1 1 0 1 0 1 DATA X X X X
After completion of each write cycle, the DAC analog output settles to the voltage specified.
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