AD5725 Analog Devices, AD5725 Datasheet - Page 7

• Manufacturer Part Number: AD5725
• Description: Quad, 12-Bit, Parallel Input, Unipolar/Bipolar, Voltage Output DAC
• Manufacturer: Analog Devices

Specifications of AD5725

• Resolution (bits): 12bit
• Dac Update Rate: 144kSPS
• Dac Settling Time: 7µs
• Max Pos Supply (v): +15V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Par

Timing Diagrams
DATA IN
RESET
A0/A1
LDAC
R/W
A0/A1
DATA
CS
OUT
R/W
CS
t
WDS
t
t
t
WS
AS
LS
t
t
HIGH-Z
RESET
RDS
t
CSD
Figure 3. Data Write Timing
Figure 2. Data Read Timing
t
AS
t
WCS
DATA VALID
t
RCS
t
DZ
t
t
WH
AH
t
t
t
AH
LH
RDH
t
WDH
HIGH-Z
t
LDW
Rev. A | Page 7 of 20
ADDRESS
ADDRESS
DATA IN
DATA IN
LDAC
LDAC
R/W
R/W
CS
CS
ADDRESS
ADDRESS
DATA1
DATA1
VALID
VALID
Figure 5. Double Buffer Mode Timing
ONE
ONE
Figure 4. Single Buffer Mode Timing
10ns
10ns
t
t
t
t
t
t
t
AS
LS
WDS
AS
WDS
WS
WS
ADDRESS
ADDRESS
DATA2
VALID
DATA2
VALID
TWO
TWO
ADDRESS
ADDRESS
THREE
DATA3
VALID
THREE
DATA3
VALID
ADDRESS
ADDRESS
DATA4
VALID
FOUR
DATA4
FOUR
VALID
t
LS
AD5725
t
t
LDW
LH
t
LH
t
WDH
t
t
WDH
WH
t
WH