AD7472BRU(2000) 查看數據表（PDF） - Analog Devices
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AD7472BRU Datasheet PDF : 16 Pages
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1
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
0
512 1024 1536 2048 2560 3072 3584 4096
CODE
Figure 19. Typical DNL for 2.75 V @ +25°C
72
70
AD7472 +5V
68
AD7472 +3V
66
64
AD7470 +5V
62
60
AD7470 +3V
58
56
54
52
10
50
100
200
500 1000
INPUT FREQUENCY – kHz
2000
Figure 20. Typical SNR+D vs. Input Tone
90
AD7472 +5V
85
AD7470 +5V
80
AD7472 +3V
75
70
AD7470 +3V
65
60
55
50
10
50
100
200
500 1000
INPUT FREQUENCY – kHz
2000
Figure 21. Typical THD vs. Input Tone
AD7470/AD7472
70.6
70.4
70.2
+25؇C
–40؇C
70
+85؇C
69.8
69.6
69.4
69.2
2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 4.75 5 5.25
SUPPLY – Volts
Figure 22. Typical SNR vs. Supply
0
–20
–40
–60
–80
–100
–120
0
100000 200000 300000 400000 500000 600000
FREQUENCY – Hz
Figure 23. Typical SNR @ 500 kHz Input Tone
0.2
–0.3
–0.8
–1.3
–1.8
–2.3
–2.8
–3.3
–3.8
10
+3V
+5V
100
1000
10000
FREQUENCY – kHz
Figure 24. Typical Bandwidth
100000
REV. A
–13–
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