AD5025 Analog Devices, AD5025 Datasheet - Page 6

• Manufacturer Part Number: AD5025
• Description: Fully Accurate 12-Bit VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP
• Manufacturer: Analog Devices

Specifications of AD5025

• Resolution (bits): 12bit
• Dac Update Rate: 1.5MSPS
• Dac Settling Time: 10.7µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

AD5025/AD5045/AD5065
LDAC
1
SCLK
SYNC
IF IN DAISY-CHAIN MODE, LDAC MUST BE USED ASYNCHRONOUSLY.
DIN
SDO
CLR
PDL
1
S YNC
LDAC
LDAC
1
2
V
SCLK
ASYNCHRONOUS LDAC UPDATE MODE.
SYNCHRONOUS LDAC UPDATE MODE.
CLR
OUT
PDL
DIN
1
2
t
8
t
DB31
4
t
8
INPUT WORD FOR DAC N
t
5
DB31
t
6
t
12
UNDEFINED
t
4
t
5
t
14
t
6
t
Figure 4. Daisy-Chain Timing Diagram
3
Figure 3. Serial Write Operation
32
t
DB0
1
Rev. 0 | Page 6 of 28
t
2
DB31
DB31
DB0
t
t
t
13
7
t
15
19
INPUT WORD FOR DAC N + 1
t
9
INPUT WORD FOR DAC N
t
10
t
11
t
16
t
t
t
64
DB0
18
18
18
DB0
t
t
t
t
10
12
19
17