Datasheet


SBAS290B − JULY 2003 − SEPTEMBER 2004
www.ti.com
9
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C with V
CC
= +5V, VDD = +3.3V, and a measurement bandwidth from 20Hz to 20kHz, unless otherwise noted.
HIGH PASS FILTER
STOP BAND CHARACTERISTICS
Normalized Frequency (f
S
/1000)
Amplitude (dB)
5
−
20
−
40
−
60
−
80
−
100
0.1 0.2 0.3 0.40
HIGH PASS FILTER
PASSBAND CHARACTERISTICS
0.02
0
−
0.02
−
0.04
−
0.06
−
0.08
−
0.1
Normalized Frequency (f
S
/1000)
Amplitude (dB)
00.511.522.533.54
FFT PLOT
(f
S
=48kHz,f
IN
= 997Hz at
−
20dB)
Frequency (Hz)
Amplitude (dB)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
−
160
−
180
1k10020 10k 20k
FFT PLOT
(f
S
=48kHz,f
IN
= 997Hz at
−
60dB)
Frequency (Hz)
Amplitude (dB)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
−
160
−
180
1k10020 10k 20k
FFT PLOT
(f
S
= 48kHz, No Input [Idle])
Frequency (Hz)
Amplitude (dB)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
−
160
−
180
1k10020 10k 20k
FFT PLOT
(f
S
=96kHz,f
IN
= 997Hz at
−
20dB)
Frequency (Hz)
Amplitude (dB)
0
−
20
−
40
−
60
−
80
−
100
−
120
−
140
−
160
−
180
1k10020 10k 40k