
THS1209
SLAS288B – JULY 2000 – REVISED DECEMBER 2002
www.ti.com
13
TYPICAL CHARACTERISTICS
Figure 23
–140
–120
–100
–80
–60
–40
–20
0
1000000
2000000
3000000
4000000
Magnitude
–
dB
f – Frequency – Hz
FAST FOURIER TRANSFORM (4096 POINTS)
(SINGLE-ENDED)
vs
FREQUENCY
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
fin = 1.25 MHz
–140
–120
–100
–80
–60
–40
–20
0
1000000
2000000
3000000
4000000
Figure 24
Magnitude
–
dB
f – Frequency – Hz
FAST FOURIER TRANSFORM (4096 POINTS)
(DIFFERENTIAL)
vs
FREQUENCY
AVDD = 5 V, DVDD = BVDD = 3 V,
fs = 8 MSPS, AIN = –1 dBFS
fin = 1.25 MHz