AD5668 Analog Devices, AD5668 Datasheet - Page 15

• 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
–0.5
–1.0
–0.1
–0.2
–0.3
–0.4
–0.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.4
0.3
0.2
0.1
–1
–0.03
Figure 32. AD5668-2/AD5668-3 Source and Sink Capability
–0.03
6
5
4
3
2
1
0
0
0
–10
V
INT REF = 2.5V
T
V
INT REF = 1.25V
T
T
V
DD
A
DD
A
A
Figure 31. Headroom at Rails vs. Source and Sink
Figure 33. AD5668-1 Source and Sink Capability
DD
= 25°C
= 25°C
= 25°C
–8
= 5V
= 3V
= 3V, INT REF = 1.25V
–0.02
–0.02
V
DD
–6
= 5V, INT REF = 2.5V
SOURCE/SINK CURRENT (mA)
ZERO SCALE
–4
–0.01
–0.01
MIDSCALE
1/4 SCALE
–2
CURRENT (A)
CURRENT (A)
3/4 SCALE
ZERO SCALE
0
0
0
3/4 SCALE
MIDSCALE
1/4 SCALE
FULL SCALE
2
FULL SCALE
0.01
0.01
4
6
0.02
0.02
8
0.03
0.03
10
Rev. F | Page 15 of 32
1.48
1.46
1.44
1.42
1.40
1.38
1.36
1.34
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
–40
2.7
0
T
T
A
A
–25
= 25°C
= 25°C
Figure 36. Supply Current vs. Supply Voltage
Figure 35. Supply Current vs. Temperature
3.1
10k
–10
Figure 34. Supply Current vs. Code
5
3.5
20k
DIGITAL CODES (Decimal)
AD5628/AD5648/AD5668
TEMPERATURE (°C)
20
V
DD
3.9
35
30k
V
= 5V
DD
(V)
50
4.3
V
DD
40k
65
= 3V
V
V
DD
DD
4.7
80
= 5.5V
= 3.6V
50k
95
5.1
110
60k
125
5.5