Datasheet

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ADS6423 (F
srated
= 80 MSPS)
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G019
SFDR = 91.2 dBc
SINAD = 71.2 dBFS
SNR = 71.3 dBFS
THD = 88.3 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G020
SFDR = 85.8 dBc
SINAD = 70.6 dBFS
SNR = 70.9 dBFS
THD = 83.9 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G021
SFDR = 81 dBc
SINAD = 68.3 dBFS
SNR = 68.4 dBFS
THD = 79.5 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G022
f
IN
1 = 185.1 MHz, –7 dBFS
f
IN
2 = 190.1 MHz, –7 dBFS
2-Tone IMD = –92 dBFS
SFDR = –93 dBFS
f
IN
− Input Frequency − MHz
74
76
78
80
82
84
86
88
90
92
94
0 50 100 150 200 250
SFDR − dBc
G023
Gain = 0 dB
Gain = 3.5 dB
f
IN
− Input Frequency − MHz
64
65
66
67
68
69
70
71
72
73
74
0 50 100 150 200 250
SNR − dBFS
G024
Gain = 0 dB
Gain = 3.5 dB
ADS6424
ADS6423
ADS6422
SLAS532A – MAY 2007 – REVISED JUNE 2007
FFT for 10 MHz INPUT SIGNAL FFT for 100 MHz INPUT SIGNAL
Figure 24. Figure 25.
FFT for 230 MHz INPUT SIGNAL INTERMODULATION DISTORTION (IMD) vs FREQUENCY
Figure 26. Figure 27.
SFDR vs INPUT FREQUENCY SNR vs INPUT FREQUENCY
Figure 28. Figure 29.
Copyright © 2007, Texas Instruments Incorporated 31
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