LTC6601-2_15 Datasheet, PDF (23/40 Pages) Linear Technology – Low Power, Low Distortion, 5MHz to 27MHz, Pin Confi gurable Filter/ADC Driver

APPLICATIONS INFORMATION
Table 5. Gain of 4 Filter Configurations
GAIN
V/V
dB
f_O (MHz)
4.0
12.041
11.36
4.0
12.041
10.38
4.0
12.041
9.40
4.0
12.041
8.67
4.0
12.041
8.65
4.0
12.041
7.98
4.0
12.041
7.43
4.0
12.041
7.47
4.0
12.041
6.96
f_–3dB MHz
13.05
14.80
10.47
12.00
6.76
8.84
6.09
10.00
7.57
Q
0.834
1.480
0.799
1.284
0.575
0.794
0.596
1.141
0.775
Table 6. Gain of 3 Filter Configurations
GAIN
V/V
dB
f_O (MHz)
3.0
9.542
16.06
3.0
9.542
14.68
3.0
9.542
13.53
3.0
9.542
13.29
3.0
9.542
12.26
3.0
9.542
11.36
3.0
9.542
11.48
3.0
9.542
11.29
3.0
9.542
10.29
3.0
9.542
10.57
3.0
9.542
9.40
3.0
9.542
8.65
3.0
9.542
8.06
3.0
9.542
7.98
3.0
9.542
7.43
3.0
9.542
6.96
3.0
9.542
9.85
f_–3dB (MHz)
12.36
15.74
17.83
9.88
12.39
15.77
14.07
8.34
11.04
10.06
12.85
9.54
6.69
10.88
8.48
9.40
7.13
Q
0.568
0.763
1.091
0.554
0.715
1.300
0.928
0.552
0.763
0.674
1.224
0.788
0.601
1.212
0.825
1.172
0.544
LTC6601-2
R1 (Ω)
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
100.00
R2 (Ω)
400.00
400.00
400.00
400.00
400.00
400.00
400.00
400.00
400.00
C1 (pF)
48.2
48.2
58.75
58.75
69.3
69.3
79.85
69.3
79.85
C2 (pF)
81.5
97.6
97.6
114.8
97.6
114.8
114.8
130.9
130.9
nVe/√ⁱⁿHz
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
6.8
R1 (Ω)
66.67
66.67
66.67
66.67
66.67
133.33
66.67
66.67
133.33
66.67
133.33
133.33
133.33
133.33
133.33
133.33
66.67
R2 (Ω)
200.00
200.00
200.00
200.00
200.00
400.00
200.00
200.00
400.00
200.00
400.00
400.00
400.00
400.00
400.00
400.00
200.00
C1 (pF)
48.2
48.2
48.2
58.75
58.75
48.2
58.75
69.3
58.75
69.3
58.75
69.3
79.85
69.3
79.85
79.85
79.85
C2 (pF)
81.5
97.6
114.8
97.6
114.8
81.5
130.9
114.8
81.5
130.9
97.6
97.6
97.6
114.8
114.8
130.9
130.9
(nVe/√ⁱⁿHz)
7.1
7.1
7.1
7.1
7.1
7.4
7.1
7.1
7.4
7.1
7.4
7.4
7.4
7.4
7.4
7.4
7.1
66012f
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