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AD7484BSTZ Fiches technique(PDF) 9 Page - Analog Devices

No de pièce AD7484BSTZ
Description  3 MSPS, 14-Bit SAR ADC
PDF  20 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD7484BSTZ Fiches technique(HTML) 9 Page - Analog Devices

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AD7484
Rev. C | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (kHz)
0
0
200
400
600
800
1400
–20
–40
–80
–100
–140
–60
1000
1200
fIN = 10.7kHz
SNR = 78.9dB
SNR + D = 78.8dB
THD = –93.9dB
–120
Figure 3. 64 k FFT Plot with 10 kHz Input Tone
FREQUENCY (kHz)
0
0
200
400
600
800
1400
–20
–40
–80
–100
–140
–60
1000
1200
fIN = 1.013MHz
SNR = 77.7dB
SNR + D = 77.6dB
THD = –95.5dB
–120
Figure 4. 64 k FFT Plot with 1 MHz Input Tone
ADC (Code)
1.0
0
4096
8192
16384
0.8
0.2
–0.6
–0.8
–1.0
–0.4
12288
0.6
0
0.4
–0.2
Figure 5. Typical DNL
ADC (Code)
1.0
0
4096
8192
16384
0.8
0.2
–0.6
–0.8
–1.0
–0.4
12288
0.6
0
0.4
–0.2
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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