−140
−120
−100
−80
−60
−40
−20
0
0 125000 250000 375000 500000 625000
Amplitude − dB
f
i
− Input Frequency − kHz
V
DD
= 2.35 V,
f
s
= 1.25 MSPS,
T
A
= 25C
f
i
= 100 kHz,
8192 Points
ADS7887
ADS7888
SLAS468 – JUNE 2005
TYPICAL CHARACTERISTICS ADS7887 (continued)
FFT
Figure 22.
14
