AD5445 查看數據表（PDF） - Analog Devices
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AD5445 Datasheet PDF : 32 Pages
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0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
GAIN ERROR
OFFSET ERROR
TA = 25°C
VREF = 2.5V
VDD = 3V AND 5V
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
VBIAS (V)
Figure 21. Gain and Offset Errors vs. VBIAS Voltage Applied to IOUT2
AD5424/AD5433/AD5445
8
7
6
5
VDD = 5V
4
3
2
VDD = 3V
1
VDD = 2.5V
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VOLTAGE (V)
Figure 24. Supply Current vs. Logic Input Voltage (Driving DB0 to DB11,
All Other Digital Inputs @ Supplies)
3
TA = 25°C
VREF = 0V
2 VDD = 5V
MAX INL
1
MAX DNL
0
–1
–2
MIN INL
MIN DNL
–3
0.5
1.0
1.5
2.0
2.5
VBIAS (V)
Figure 22. Linearity vs. VBIAS Voltage Applied to IOUT2, AD5445
1.6
1.4
1.2
IOUT1 VDD 5V
1.0
IOUT1 VDD 3V
0.8
0.6
0.4
0.2
0
–40 –20 0
20
40 60 80 100 120
TEMPERATURE (°C)
Figure 25. IOUT1 Leakage Current vs. Temperature
4
TA = 25°C
3 VREF = 2.5V
VDD = 5V
2
1
0
–1
–2
–3
–4
–5
0.5
MAX DNL
MIN DNL
MIN INL
1.0
1.5
VBIAS (V)
MAX INL
2.0
Figure 23. Linearity vs. VBIAS Voltage Applied to IOUT2, AD5445
0.50
0.45
0.40
VDD = 5V
0.35
ALL 0s
0.30
0.25
ALL 1s
0.20
VDD = 2.5V
0.15
ALL 1s ALL 0s
0.10
0.05
0
–60 –40 –20
0 20 40 60 80
TEMPERATURE (°C)
100 120 140
Figure 26. Supply Current vs. Temperature
Rev. B | Page 11 of 32
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