AD7626(2009) 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
比赛名单
AD7626 Datasheet PDF : 28 Pages
| |||
0
INPUT FREQUENCY = 5.00656128MHz
–0.5dB INPUT AMPLITUDE
–20 SNR = 86.7dBFS
SINAD = 83.2dBFS
THD = –85.3dB
–40 SFDR = 86.1dB
64k SAMPLES
–60
–80
–100
–120
SECOND
HARMONIC
FOURTH
HARMONIC
THIRD
HARMONIC
FIFTH
HARMONIC
–140
–160
–180
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FREQUENCY (MHz)
Figure 11. FFT, 5 MHz, −0.5 dB Input Tone, Wide View
0
INPUT FREQUENCY = 5.00656128MHz
–6dB INPUT AMPLITUDE
–20 SNR = 88.4dBFS
SINAD = 88.0dBFS
THD = –92.4dB
–40 SFDR = 92.8dB
64k SAMPLES
–60
–80
–100
–120
SECOND
HARMONIC
FOURTH
HARMONIC
FUNDAMENTAL
THIRD
HARMONIC
FIFTH
HARMONIC
–140
–160
–180
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
FREQUENCY (MHz)
Figure 12. FFT, 5 MHz, −6 dB Input Tone, Wide View
–75
–80
9.7MHz
–85
5MHz
–90
–95
–100
1MHz
–105
–110
2MHz
3MHz
–115
–18
–15
–12
–9
–6
–3
0
INPUT AMPLITUDE (dBFS)
Figure 13. THD vs. Input Amplitudes at Input Frequency Tones of
10 kHz to 9.7 MHz
AD7626
0
INPUT FREQUENCY = 5.00656128MHz
–0.5dB INPUT AMPLITUDE
–20 SNR = 86.7dBFS
SINAD = 83.2dBFS
THD = –85.3dB
–40 SFDR = 86.1dB
64k SAMPLES
–60
–80
–100
FUNDAMENTAL
THIRD
HARMONIC
FIFTH
HARMONIC
–120
–140
–160
–180
4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00
FREQUENCY (MHz)
Figure 14. FFT, 5 MHz, −0.5 dB Input Tone Zoomed View
0
INPUT FREQUENCY = 5.00656128MHz
–6dB INPUT AMPLITUDE
–20 SNR = 88.4dBFS
SINAD = 88.0dBFS
THD = –92.4dB
–40 SFDR = 92.8dB
64k SAMPLES
–60
–80
–100
FUNDAMENTAL
THIRD
HARMONIC
FIFTH HARMONIC
–120
–140
–160
–180
4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00
FREQUENCY (MHz)
Figure 15. FFT, 5 MHz, −0.5 dB Input Tone Zoomed View
94
–50
92
–60
90
–70
88
SNR
–80
86
–90
84
82
THD
–100
80
10k
100k
1M
INPUT FREQUENCY (Hz)
–110
10M
Figure 16. THD and SNR vs. Input Frequency (−0.5 dB Input Tone)
Rev. 0 | Page 11 of 28
Share Link: 