AD5668 Analog Devices, AD5668 Datasheet - Page 17

• Manufacturer Part Number: AD5668
• Manufacturer: Analog Devices

Specifications of AD5668

• Resolution (bits): 16bit
• Dac Update Rate: 95kSPS
• Dac Settling Time: 6µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: Ser,SPI

Data Sheet
–0.0005
–0.0010
–0.0015
–0.0005
–0.0010
–0.0015
0.0010
0.0005
0.0020
0.0015
0.0010
0.0005
Figure 45. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
–0.02
–0.04
–0.06
–0.08
0.06
0.04
0.02
0
0
0
0
0
0
EXT REF = 5V
V
EXT REF = 5V
T
DD
A
= 25°C
1
= 5V
1
1
Figure 44. DAC-to-DAC Crosstalk
2
Figure 43. Analog Crosstalk
2
2
3
3
3
4
TIME (µs)
TIME (µs)
TIME (s)
4
5
4
5
6
5
6
7
6
V
EXT REF = 5V
T
7
A
DD
8
= 25°C
= 5V
7
8
9
1
9
8
0
Rev. F | Page 17 of 32
Figure 46. 0.1 Hz to 10 Hz Output Noise Plot, External Reference
Figure 47. 0.1 Hz to 10 Hz Output Noise Plot, Internal Reference
–0.05
–0.10
–0.15
–0.20
–0.05
–0.10
–0.15
–0.20
800
700
600
500
400
300
200
100
0.20
0.15
0.10
0.05
0.20
0.15
0.10
0.05
0
100
0
0
V
0
0
Figure 48. Noise Spectral Density, Internal Reference
REF
EXT REF = 2.5V
INT REF = 1.25V
= 1.25V
1
1
V
REF
2
2
1k
= 2.5V
3
3
AD5628/AD5648/AD5668
FREQUENCY (Hz)
4
4
TIME (s)
TIME (s)
10k
5
5
6
6
100k
7
7
8
8
9
9
1M
1
1
0
0