AD5621 Analog Devices, AD5621 Datasheet - Page 15

• Manufacturer Part Number: AD5621
• Description: 2.7 V to 5.5 V,
• Manufacturer: Analog Devices

Specifications of AD5621

• Resolution (bits): 12bit
• Dac Update Rate: 1.7MSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

Data Sheet
SCLK
SYNC
SDIN
SYNC HIGH BEFORE 16
DB15
INVALID WRITE SEQUENCE:
DB15 (MSB)
DB15 (MSB)
DB15 (MSB)
PD1
PD1
PD1
PD0
PD0
PD0
TH
0
0
1
1
0
0
1
1
0
0
1
1
FALLING EDGE
D11
D9
D8
0
1
0
1
0
1
0
1
0
1
0
1
DB0
D10
D8
D7
NORMAL OPERATION
1kΩ TO GND
100kΩ TO GND
THREE-STATE
NORMAL OPERATION
1kΩ TO GND
100kΩ TO GND
THREE-STATE
NORMAL OPERATION
1kΩ TO GND
100kΩ TO GND
THREE-STATE
D9
D7
D6
Figure 41. AD5621 Input Register Contents
Figure 42. AD5611 Input Register Contents
Figure 43. AD5601 Input Register Contents
D8
D6
D5
Figure 44. SYNC Interrupt Facility
D7
D5
D4
Rev. F | Page 15 of 24
POWER-DOWN MODES
POWER-DOWN MODES
POWER-DOWN MODES
D6
D4
D3
DATA BITS
DATA BITS
DATA BITS
D5
D3
D2
D4
D2
DB0 (LSB)
D1
VALID WRITE SEQUENCE, OUTPUT UPDATES
D3
D1
X
DB15
ON THE 16
D2
D0
DB0 (LSB)
X
TH
D1
X
X
FALLING EDGE
AD5601/AD5611/AD5621
D0
DB0 (LSB)
X
X
DB0
X
X
X
X
X
X