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AD7482ASTZ データシート(PDF) 9 Page - Analog Devices

部品番号 AD7482ASTZ
部品情報  3 MSPS, 12-Bit SAR ADC
PDF  20 Pages
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メーカー  AD [Analog Devices]
ホームページ  http://www.analog.com
Logo AD - Analog Devices

AD7482ASTZ データシート(HTML) 9 Page - Analog Devices

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AD7482
Rev. B | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (kHz)
0
0
200
400
600
800
1400
–20
–40
–80
–100
–120
–60
1000
1200
fIN = 10.7kHz
SNR = 72.97dB
SNR + D = 72.94dB
THD = –91.5dB
Figure 3. 64k FFT Plot With 10 kHz Input Tone
FREQUENCY (kHz)
0
0
200
400
600
800
1400
–20
–40
–80
–100
–120
–60
1000
1200
fIN = 1.013MHz
SNR = 72.58dB
SNR + D = 72.57dB
THD = –94.0dB
Figure 4. 64k FFT Plot With 1 MHz Input Tone
ADC (Code)
0.5
0
1024
2048
4096
0.4
0.1
–0.3
–0.4
–0.5
–0.2
3072
0.3
0
0.2
–0.1
Figure 5. Typical DNL
ADC (Code)
0.5
0
1024
2048
4096
0.4
0.1
–0.3
–0.4
–0.5
–0.2
3072
0.3
0
0.2
–0.1
Figure 6. Typical INL
INPUT FREQUENCY (kHz)
80
65
10
10000
100
1000
70
75
Figure 7. SINAD vs. Input Tone (AD8021 Input Circuit)
INPUT FREQUENCY (kHz)
–40
100
1000
–70
–90
–100
–60
10000
–50
–80
100
Ω
10
Ω
0
Ω
51
Ω
200
Ω
Figure 8. THD vs. Input Tone for Different Input Resistances



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