AD7482 查看數據表（PDF） - Analog Devices
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AD7482 Datasheet PDF : 16 Pages
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Typical Performance Characteristics–AD7482
0
fIN = 10.7kHz
SNR = +72.97dB
SNR + D = +72.94dB
–20
THD = –91.5dB
–40
–60
–80
–100
–120
0
200 400 600 800 1000 1200 1400
FREQUENCY – kHz
TPC 1. 64k FFT Plot With 10kHz Input Tone
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
1024
2048
ADC – Code
3072
4096
TPC 4. Typical INL
0 fIN = 1.013MHz
SNR = +72.58dB
SNR + D = +72.57dB
–20 THD = –94.0dB
–40
–60
–80
–100
–120
0
200 400 600 800 1000 1200 1400
FREQUENCY – kHz
TPC 2. 64k FFT Plot With 1MHz Input Tone
80
75
70
65
10
100
1000
INPUT FREQUENCY – kHz
10000
TPC 5. SINAD vs. Input Tone (AD8021 Input Circuit)
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
1024
2048
ADC – Code
3072
4096
TPC 3. Typical DNL
–40
200⍀
100⍀
–50
–60
51⍀
–70
10⍀
–80
0⍀
–90
–100
100
1000
INPUT FREQUENCY – kHz
10000
TPC 6. THD vs. Input Tone for Different Input Resistances
REV. 0
–7–
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