AD5381 Analog Devices, AD5381 Datasheet - Page 9

• Manufacturer Part Number: AD5381
• Description: 40-Channel 12-Bit 3 V/5 V Single-Supply Voltage-Output DAC
• Manufacturer: Analog Devices

Specifications of AD5381

• Resolution (bits): 12bit
• Dac Update Rate: 167kSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par,Ser,SPI

SYNC
SCLK
SYNC
LDAC
SCLK
SDO
SDO
DIN
DIN
t
VOUT1
VOUT2
LDAC
LDAC
7
SYNC
SCLK
BUSY
VOUT
CLR
DIN
DB23
t
DB23
1
2
4
1
2
LDAC ACTIVE DURING BUSY.
LDAC ACTIVE AFTER BUSY.
INPUT WORD SPECIFIES
REGISTER TO BE READ
t
INPUT WORD FOR DAC N
8
Figure 4. Serial Interface Timing Diagram (Data Readback Mode)
t
9
UNDEFINED
Figure 5. Serial Interface Timing Diagram (Daisy-Chain Mode)
t
Figure 3. Serial Interface Timing Diagram (Standalone Mode)
7
UNDEFINED
DB23
t
4
t
3
t
8
t
t
t
9
18
3
t
t
6
1
t
2
24
DB0
t
20
24
Rev. B | Page 9 of 40
DB0
t
t
19
1
t
2
t
7A
DB23
24
DB0
DB23
DB23
t
5
DB23
t
12
INPUT WORD FOR DAC N + 1
t
INPUT WORD FOR DAC N
10
SELECTED REGISTER
DATA CLOCKED OUT
t
11
t
NOP CONDITION
13
t
15
t
14
t
16
24
t
17
t
t
13
21
t
17
48
DB0
DB0
48
DB0
DB0
t
t
23
22
t
13
AD5381