AD7225 데이터 시트보기 (PDF) - Analog Devices
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AD7225 Datasheet PDF : 24 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VDD = 15 V, VSS = −5 V, unless otherwise noted.
1.0
VREFx = 10V
0.5
0
–0.5
–1.0
0
32
64
96 128 160 192 224
INPUT CODE
Figure 4. Channel-to-Channel Matching
1.0
0.5
0
–0.5
VDD = 5V
VDD = 12V VDD = 15V
–1.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
VREF (V)
Figure 5. Relative Accuracy vs. VREF
AD7225
8
7
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–60 –40 –20
IDD
ISS
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Figure 7. Power Supply Current vs. Temperature
5
4
VOUTA
3
2
1
0
–1
VOUTD
–2
VOUTC
–3
VOUTB
–4
–5
–60 –40 –20
0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Figure 8. Zero Code Error vs. Temperature
0.50
0.25
100
90
0
–0.25
VDD = 5V
VDD = 12V
VDD = 15V
10
–0.50
0%
0 1 2 3 4 5 6 7 8 9 10 11 12 13
VREF (V)
Figure 6. Differential Nonlinearity vs. VREF
Rev. C | Page 7 of 24
300µV
1ms/DIV
Figure 9. Broadband Noise
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