xrd5412 Exar Corporation, xrd5412 Datasheet - Page 6

• Manufacturer Part Number: xrd5412
• Description: Xrd5412 -5v Low Power Voltage Output Serial 12-bit Dac
• Manufacturer: Exar Corporation

TIMING
DOUT
SCLK
SDIN
CS
Rev. 1.20
t
CSH0
t
DS
Note:
Write 8-bit data words with four sub-LSB 0s because the DAC input latch
is 12 bits wide.
t
CSS
1000
1000
0000
0000
0111
1111
t
DH
t
CH
Input
0001
0000
0001
0000
1111
1111
Figure 2. Timing Diagram
Table 1. Binary Code Table
t
D0
t
(0000)
(0000)
(0000)
(0000)
(0000)
(0000)
CL
6
+ 2 (V
+ 2 (V
+ 2 (V
+ 2 (V
+ 2 (V
REFIN
) 128
Output
REFIN
REFIN
REFIN
REFIN
256
0V
) 255
) 129
) 127
) 1
= + V
256
256
256
256
t
CSH1
REFIN
t
CS1
t
CSW