XRD5408 Datasheet, PDF (6/16 Pages) Exar Corporation – 5V, Low Power, Voltage Output Serial 8/10/12-Bit DAC Family

XRD5408/10/12
TIMING
CS
t_CSH0
SCLK
t_DS
SDIN
DOUT
t_CSS
t_CH
t_DH
t_CL
t_D0
Figure 2. Timing Diagram
t_CSH1
t_CSW
t_CS1
1111
1000
1000
0111
0000
Input
1111
0001
0000
1111
0001
(0000)
(0000)
(0000)
(0000)
(0000)
Output
+2
(VREFIN)
255
256
+2
(VREFIN)
129
256
+
2
(VREFIN)
128
256
=
+
VREFIN
+
2
(VREFIN)
127
256
+
2
(VREFIN)
1
256
0000
0000
(0000)
0V
Note:
Write 8-bit data words with four sub-LSB 0s because the DAC input latch
is 12 bits wide.
Table 1. Binary Code Table
Rev. 1.20
6