AD5412 Analog Devices, AD5412 Datasheet - Page 9

• Manufacturer Part Number: AD5412
• Description: Single Channel, 12-Bit, Serial Input, Current Source & Voltage Output DAC
• Manufacturer: Analog Devices

Specifications of AD5412

• Resolution (bits): 12bit
• Dac Update Rate: 40kSPS
• Dac Settling Time: 18µs
• Max Pos Supply (v): +40V
• Single-supply: No
• Dac Type: I or V Out
• Dac Input Format: SPI

SCLK
LATCH
SDIN
SDO
LATCH
SCLK
SDIN
SDO
t
16
DB23
1
INPUT WORD SPECIFIES
REGISTER TO BE READ
UNDEFINED DATA
2
DB23
DB23
t
12
t
17
I
OUT
1
LATCH
CLEAR
SCLK
/V
SDIN
OUT
INPUT WORD FOR DAC N
t
13
2
t
11
UNDEFINED
DB0
t
24
18
t
DB23
Figure 4. Daisy-Chain Mode Timing Diagram
14
Figure 3. Readback Mode Timing Diagram
t
6
Figure 2. Write Mode Timing Diagram
1
t
15
Rev. D | Page 9 of 40
2
t
DB0
t
29
10
DB23
DB0
t
2
t
t
24
9
X
FIRST 8 BITS ARE
DON’T CARE BITS
7
1
DB23
t
26
DB23
X
25
2
t
3
INPUT WORD FOR DAC N – 1
t
X
1
INPUT WORD FOR DAC N
26
t
22
DB0
8
NOP CONDITION
X
t
27
24
t
8
t
DB15
4
9
t
23
t
5
SELECTED REGISTER
DATA CLOCKED OUT
t
21
22
DB0
DB0
48
t
28
23
t
t
19
24
DB0
DB0
AD5412/AD5422
24
t
25
t
20
t
20