AD5668 Analog Devices, AD5668 Datasheet - Page 18

• 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

AD5628/AD5648/AD5668
–0.5
–100
–120
–140
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
–20
–40
–60
–80
9
8
7
6
5
4
3
2
1
0
0
–10
0
0
0
T
A
V
EXT REF = 5V
T
V
FREQUENCY = 10kHz
A
DD
REF
= 25°C
= 25°C
1
Figure 50. Settling Time vs. Capacitive Load
= 5.5V
= 2V ± 0.1V p-p
V
Figure 49. Total Harmonic Distortion
DD
2000
2
= EXTERNAL REFERENCE = 5V
–5
Figure 51. Hardware CLR
CLR PULSE
3
CAPACITIVE LOAD (nF)
V
DD
FREQUENCY (Hz)
4000
= EXTERNAL REFERENCE = 3V
4
TIME (µs)
5
0
6000
6
V
OUT
7
A
5
EXT REF = 5V
8000
8
9
10,000
10
10
Rev. F | Page 18 of 32
Figure 53. 1.25 V Reference Temperature Coefficient vs. Temperature
Figure 54. 2.5 V Reference Temperature Coefficient vs. Temperature
1.2510
1.2508
1.2506
1.2504
1.2502
1.2500
1.2498
1.2496
1.2494
1.2492
1.2490
–10
–20
–30
–40
–50
–60
–70
–80
2.503
2.502
2.501
2.500
2.499
2.498
2.497
2.496
2.495
10
0
10
CH A
CH B
CH C
CH D
CH E
CH F
CH G
CH H
–3dB
100
–40
105
Figure 52. Multiplying Bandwidth
V
EXT REF = 5V
T
V
DD
A
REF
1k
= 25°C
= 5.5V
= 2V ± 0.2V p-p
FREQUENCY (Hz)
TEMPERATURE (°C)
TEMPERATURE (°C)
1k0
25
25
100k
1M
Data Sheet
10M
105
V
–40
DD
= 5.5V
100M