Datasheet

MAX5722
12-Bit, Low-Power, Dual, Voltage-Output
DAC with Serial Interface
12 ______________________________________________________________________________________
DAC CONTENTS ANALOG OUTPUT
1111 1111 1111
1000 0000 0001
1000 0000 0000
0111 1111 1111
0000 0000 0001
0000 0000 0000 0
+






V
REF
4095
4096
+






V
REF
2049
4096
+






V
REF
2047
4096
+
V
REF
2
DAC CONTENTS ANALOG OUTPUT
1111 1111 1111
1000 0000 0001
1000 0000 0000 0
0111 1111 1111
0000 0000 0001
0000 0000 0000
+






V
REF
2047
2048
+






V
REF
1
2048






−V
REF
2047
2048






−V
REF
1
2048
+






V
REF
1
4096
−V
REF
Table 3. Unipolar Code Table Table 4. Bipolar Code Table
CONTROL DATA BITS
C3 C2 C1 C0 D11–D0
DAC FUNCTION
0000 X A
Input register transparent, data shifted directly to DAC register, OUTA
updated
0001 X B
Input register transparent, data shifted directly to DAC register, OUTB
updated
0 1 0 0 X A Data shifted to input register, OUTA unchanged
0 1 0 1 X B Data shifted to input register, OUTB unchanged
1 0 0 0 X A Shift data from input register to DAC register, OUTA updated
1 0 0 1 X B Shift data from input register to DAC register, OUTB updated
1 1 0 0 X A-B
Input registers transparent, data shifted directly to DAC registers, OUTA
and OUTB updated
1 1 0 1 X A-B Data shifted to input registers, OUTA and OUTB unchanged
1 1 1 0 X A-B Shift data from input registers to DAC registers, OUTA and OUTB updated
X = Don’t Care
Table 2. Serial-Interface Programming Commands