AD5757 Analog Devices, AD5757 Datasheet - Page 8

• Manufacturer Part Number: AD5757
• Description: Quad Channel, 16-Bit, Serial Input, 4-20mA Output DAC, Dynamic Power Control, HART Connectivity
• Manufacturer: Analog Devices

Specifications of AD5757

• Resolution (bits): 16bit
• Dac Update Rate: 60kSPS
• Dac Settling Time: 15µs
• Max Pos Supply (v): +33V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: SPI

AD5757
Timing Diagrams
SYNC
SCLK
SDIN
SDO
LDAC = 0
CLEAR
RESET
I
I
I
SYNC
LDAC
SCLK
OUT_x
OUT_x
OUT_x
SDIN
1
MSB
t
6
INPUT WORD SPECIFIES
REGISTER TO BE READ
MSB
t
1
4
t
7
UNDEFINED
t
2
13
t
14
t
18
t
Figure 3. Serial Interface Timing Diagram
8
t
3
Figure 4. Readback Timing Diagram
24
LSB
Rev. B | Page 8 of 44
t
1
t
t
10
2
t
17
24
t
LSB
6
t
5
1
MSB
MSB
t
9
t
16
t
15
t
19
NOP CONDITION
SELECTED REGISTER DATA
t
10
CLOCKED OUT
t
11
t
12
t
24
12
LSB
LSB
Data Sheet