DAC7568_10 Datasheet, PDF (42/58 Pages) Texas Instruments – 12-/14-/16-Bit, Octal-Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTERS with 2.5V, 2ppm/°C Internal Reference

DAC7568
DAC8168
DAC8568
SBAS430A – JANUARY 2009 – REVISED APRIL 2009 ..................................................................................................................................................... www.ti.com
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-
DB28
DB19-
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
00110010
DATA
XXXX
2nd: Write to data buffer D and load DAC D: DAC D output settles to specified value upon completion:
DB30-
DB28
DB19-
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
00110011
DATA
XXXX
3rd: Write to data buffer E and load DAC E: DAC E output settles to specified value upon completion:
DB30-
DB28
DB19-
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
00110100
DATA
XXXX
4th: Write to data buffer F and load DAC F: DAC F output settles to specified value upon completion:
DB30-
DB28
DB19-
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
00110101
DATA
XXXX
After completion of each write cycle, the DAC analog output settles to the voltage specified.
42
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