NORMALIZED DIGITAL FILTER RESPONSE
0
–20
–40
–60
Gain (dB)
DIGITAL FILTER RESPONSE
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
0
1
2
3
4
5
6
7
8
9
10
Frequency (Hz)
Gain (dB)
–80
–100
–120
–140
–160
–180
–200
0
50
100
150
Frequency (Hz)
200
250
300
FIGURE 4. Normalized Digital Filter Response.
FIGURE 5. Digital Filter Response (50Hz).
DIGITAL FILTER RESPONSE
0
–20
–40
–60
0
–20
–40
–60
Gain (dB)
–80
–100
–120
–140
–160
–180
–200
DIGITAL FILTER RESPONSE
Gain (dB)
–80
–100
–120
–140
–160
–180
–200
0
50
100
150
Frequency (Hz)
200
250
300
0
10
20
30
40
50
60
70
80
90
100
Frequency (Hz)
FIGURE 6. Digital Filter Response (60Hz).
FIGURE 7. Digital Filter Response (10Hz).
DIGITAL FILTER RESPONSE
0
–20
–40
–60
0
–20
–40
–60
Gain (dB)
DIGITAL FILTER RESPONSE
Gain (dB)
–80
–100
–120
–140
–160
–180
–200
45
46
47
48
49
50
51
52
53
54
55
Frequency (Hz)
–80
–100
–120
–140
–160
–180
–200
45
46
47
48
49
50
51
52
53
54
55
Frequency (Hz)
FIGURE 8. Expanded Digital Filter Response (50Hz with a
50Hz Data Output Rate).
FIGURE 9. Expanded Digital Filter Response (50Hz with a
10Hz Data Output Rate).
ADS1254
SBAS213
9
BURR-BROWN [ BURR-BROWN CORPORATION ]
