AD5667 Analog Devices, AD5667 Datasheet - Page 14

• Manufacturer Part Number: AD5667
• Manufacturer: Analog Devices

Specifications of AD5667

• Resolution (bits): 16bit
• Dac Update Rate: 250kSPS
• Dac Settling Time: 4µs
• Max Pos Supply (v): +5.5V
• Single-supply: Yes
• Dac Type: Voltage Out
• Dac Input Format: I2C/Ser 2-wire,Ser

AD5627R/AD5647R/AD5667R, AD5627/AD5667
–0.5
–1.0
–1.5
–2.0
–2.5
1.0
0.5
0
2.7
Figure 30. Zero-Scale Error and Offset Error vs. Supply
0.30
T
Figure 31. I
A
Figure 32. I
V
= 25°C
REFOUT
0.32
3.2
= 1.25V
DD
DD
0.34
Histogram with External Reference
Histogram with Internal Reference
3.7
0.36
I
I
V
DD
DD
DD
(mA)
(mA)
0.38
4.2
(V)
ZERO-SCALE ERROR
V
REFOUT
0.40
OFFSET ERROR
4.7
= 2.5V
0.42
V
V
V
V
DD
DD
DD
DD
5.2
0.44
= 3.6V
= 5.5V
= 3.6V
= 5.5V
Rev. 0 | Page 14 of 32
Figure 35. AD56x7R with 1.25 V Reference, Source and Sink Capability
Figure 34. AD56x7R with 2.5 V Reference, Source and Sink Capability
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
–1
–1
0
6
5
4
3
2
1
0
4
3
2
1
0
–10
–30
–30
Figure 33. Headroom at Rails vs. Source and Sink
V
V
V
V
T
V
V
T
DD
REFOUT
DD
REFOUT
A
DD
REFOUT
A
DAC LOADED WITH
FULL-SCALE
SOURCING CURRENT
–8
= 25°C
= 25°C
= 3V
= 5V
= 3V
–20
–20
–6
= 1.25V
= 2.5V
= 1.25V
V
V
DD
REFOUT
–4
= 5V
–10
–10
= 2.5V
CURRENT (mA)
CURRENT (mA)
3/4 SCALE
MIDSCALE
1/4 SCALE
CURRENT (mA)
–2
0
0
0
3/4 SCALE
MIDSCALE
1/4 SCALE
DAC LOADED WITH
ZERO-SCALE
SINKING CURRENT
2
ZERO SCALE
FULL SCALE
10
FULL SCALE
ZERO SCALE
10
4
6
20
20
8
10
30
30