AD7476ARTZ-500RL7 データシートの表示（PDF） - Analog Devices
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AD7476ARTZ-500RL7 Datasheet PDF : 24 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
8192 POINT FFT
–15
fSAMPLE = 1MSPS
fIN = 100kHz
SINAD = 71.67dB
THD = –81.00dB
–35
SFDR = –81.63dB
–55
–75
–95
–115
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
Figure 4. AD7476 Dynamic Performance at 1 MSPS
8192 POINT FFT
–15
fSAMPLE = 600kSPS
fIN = 100kHz
SINAD = 71.71dB
THD = –80.88dB
–35
SFDR = –83.23dB
–55
–75
–95
–115
0
50
100
150
200
250
300
FREQUENCY (kHz)
Figure 5. AD7476 Dynamic Performance at 600 kSPS
0
8192 POINT FFT
–10
fSAMPLE = 1MSPS
fIN = 100kHz
–20
SINAD = 61.66dB
THD = –80.64dB
–30
SFDR = –85.75dB
–40
–50
–60
–70
–80
–90
–100
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
Figure 6. AD7477 Dynamic Performance at 1 MSPS
AD7476/AD7477/AD7478
0
8192 POINT FFT
–10
fSAMPLE = 1MSPS
fIN = 100kHz
–20
SINAD = 49.82dB
THD = –75.22dB
SFDR = –67.78dB
–30
–40
–50
–60
–70
–80
–90
0
50 100 150 200 250 300 350 400 450 500
FREQUENCY (kHz)
Figure 7. AD7478 Dynamic Performance at 1 MSPS
–66
SCLK = 20MHz
–67
VDD = 2.35V
–68
–69
VDD = 2.7V
–70
VDD = 5.25V
–71
–72
VDD = 4.75V
–73
10k
VDD = 3.6V
100k
1M
INPUT FREQUENCY (kHz)
Figure 8. AD7476 SINAD vs. Input Frequency at 993 kSPS
–69.0
–69.5
SCLK = 12MHz
VDD = 2.35V
–70.0
–70.5
VDD = 2.7V
–71.0
–71.5
–72.0
VDD = 5.25V
VDD = 4.75V
VDD = 3.6V
–72.5
10k
100k
1M
INPUT FREQUENCY (kHz)
Figure 9. AD7476 SINAD vs. Input Frequency at 605 kSPS
Rev. F | Page 11 of 24
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