AD7482BSTZ 查看數據表（PDF） - Analog Devices
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产品描述 (功能)
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AD7482BSTZ Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
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)
Figure 3. 64k FFT Plot With 10 kHz Input Tone
0
fIN = 1.013MHz
SNR = 72.58dB
–20
SNR + D = 72.57dB
THD = –94.0dB
–40
–60
–80
–100
–120
0
200 400 600 800 1000 1200 1400
FREQUENCY (kHz)
Figure 4. 64k FFT Plot With 1 MHz 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
Figure 5. Typical DNL
AD7482
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0
80
1024
2048
ADC (Code)
3072
4096
Figure 6. Typical INL
75
70
65
10
100
1000
INPUT FREQUENCY (kHz)
10000
Figure 7. SINAD vs. Input Tone (AD8021 Input Circuit)
–40
200Ω
100Ω
–50
–60
51Ω
–70
10Ω
–80
0Ω
–90
–100
100
1000
INPUT FREQUENCY (kHz)
10000
Figure 8. THD vs. Input Tone for Different Input Resistances
Rev. B | Page 9 of 20
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