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AD5678 Datasheet(PDF) 14 Page - Analog Devices

Part No. AD5678
Description  On-Chip Reference in 14-Lead TSSOP
Download  28 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD5678 Datasheet(HTML) 14 Page - Analog Devices

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AD5678
Rev. C | Page 14 of 28
CURRENT (mA)
0.50
0.40
–0.50
–0.40
–0.30
–0.20
–0.10
0
0.10
0.20
0.30
–10
–8
–6
–4
–2
0
2
4
8
610
VDD = 3V
VREFOUT = 1.25V
VDD = 5V
VREFOUT = 2.5V
DAC LOADED WITH
ZERO-SCALE
SINKING CURRENT
DAC LOADED WITH
FULL-SCALE
SOURCING CURRENT
Figure 23. Headroom at Rails vs. Source and Sink
CURRENT (mA)
6.00
5.00
4.00
3.00
2.00
1.00
–1.00
0
–30
–20
–10
0
10
20
30
VDD = 5V
VREFOUT = 2.5V
TA = 25°C
ZERO SCALE
FULL SCALE
MIDSCALE
1/4 SCALE
3/4 SCALE
Figure 24. AD5678-2 Source and Sink Capability
CURRENT (mA)
4.00
–1.00
0
1.00
2.00
3.00
–30
–20
–10
0
10
20
30
VDD = 3V
VREFOUT = 1.25V
TA = 25°C
ZERO SCALE
CODE
2.0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
512
10512
20512
30512
40512
50512
60512
TA = 25°C
VDD = VREF = 3V
VDD = VREF = 5V
Figure 26. Supply Current vs. Code
TEMPERATURE (°C)
1.6
0
0.2
1.0
1.2
1.4
0.4
0.6
0.8
–40
–20
0
20
40
60
80
100
VDD = VREFIN = 3.6V
VDD = VREFIN = 5.5V
Figure 27. Supply Current vs. Temperature
VDD (V)
1.6
0
0.2
1.0
1.2
1.4
0.4
0.6
0.8
2.7
3.2
4.2
3.7
5.2
4.7
TA =25°C
FULL SCALE
MIDSCALE
1/4 SCALE
3/4 SCALE
Figure 25. AD5678-1 Source and Sink Capability
Figure 28. Supply Current vs. Supply Voltage


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