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LTC6601CUF-2#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P40
LTC6601-2
22
66012f
APPLICATIONS INFORMATION
A GALLERY OF BASIC FILTER TOPOLOGIES
Tables 2 through 10 list (sorted by Gain) a hundred possible
fi lter topologies that can be easily implemented with the
LTC6601. The tables also list the LTC6601-2 approximate
midband (1MHz) spot noise e
in
referred to the input re-
sistor, R1 (with the BIAS pin pulled to V
+
). The gains for
these topologies range from 1V/V to 7V/V. The Qs listed
are within the range of 0.54 and 1.72. The f
O
s listed are
in the range of 6.96MHz and 22.71MHz, and the –3dB
frequencies listed range from 5.5MHz to 27.5MHz. For
all fi lters listed, R3 = 125Ω. Figures 7 to 10 show how to
pin-strap each fi lter confi guration.
Table 2. Gain of 7 Filter Confi gurations
GAIN
f
O
(MHz) f
–3dB
(MHz) Q R1 () R2 () C1 (pF) C2 (pF)
e
in
(nV/√Hz)V/V dB
7.0 16.902 10.38 7.43 0.539 57.14 400.00 48.2 97.6 6.1
7.0 16.902 9.57 10.36 0.771 57.14 400.00 48.2 114.8 6.1
7.0 16.902 8.96 12.10 1.175 57.14 400.00 48.2 130.9 6.1
7.0 16.902 8.12 7.49 0.656 57.14 400.00 58.75 130.9 6.1
Table 3. Gain of 6 Filter Confi gurations
GAIN
f
O
(MHz) f
–3dB
(MHz) Q R1
()R2
()C1
(pF) C
2
(pF)
e
in
(nV/√Hz)V/V dB
6.0 15.563 10.38 10.03 0.684 66.67 400.00 48.2 97.6 6.2
6.0 15.563 9.57 12.52 1.071 66.67 400.00 48.2 114.8 6.2
6.0 15.563 8.67 7.67 0.634 66.67 400.00 58.75 114.8 6.2
6.0 15.563 8.12 9.59 0.870 66.67 400.00 58.75 130.9 6.2
6.0 15.563 7.47 6.07 0.592 66.67 400.00 69.3 130.9 6.2
Table 4. Gain of 5 Filter Confi gurations
GAIN
f
o
(MHz) f
–3dB
(MHz) Q R1 ()R2
() C1 (pF) C2 (pF)
e
in
nV/√HzV/V dB
5.0 13.979 11.36 9.67 0.614 80.00 400.00 48.2 81.5 6.5
5.0 13.979 10.38 12.78 0.936 80.00 400.00 48.2 97.6 6.5
5.0 13.979 9.40 7.67 0.594 80.00 400.00 58.75 97.6 6.5
5.0 13.979 8.67 10.07 0.849 80.00 400.00 58.75 114.8 6.5
5.0 13.979 8.12 11.25 1.290 80.00 400.00 58.75 130.9 6.5
5.0 13.979 7.98 6.46 0.591 80.00 400.00 69.3 114.8 6.5
5.0 13.979 7.47 8.16 0.779 80.00 400.00 69.3 130.9 6.5
5.0 13.979 6.96 5.50 0.579 80.00 400.00 79.85 130.9 6.5
LTC6601-2
23
66012f
Table 5. Gain of 4 Filter Confi gurations
GAIN
f
O
(MHz) f
–3dB
MHz Q R1
()R2
() C1 (pF) C2 (pF)
e
in
nV/√HzV/V dB
4.0 12.041 11.36 13.05 0.834 100.00 400.00 48.2 81.5 6.8
4.0 12.041 10.38 14.80 1.480 100.00 400.00 48.2 97.6 6.8
4.0 12.041 9.40 10.47 0.799 100.00 400.00 58.75 97.6 6.8
4.0 12.041 8.67 12.00 1.284 100.00 400.00 58.75 114.8 6.8
4.0 12.041 8.65 6.76 0.575 100.00 400.00 69.3 97.6 6.8
4.0 12.041 7.98 8.84 0.794 100.00 400.00 69.3 114.8 6.8
4.0 12.041 7.43 6.09 0.596 100.00 400.00 79.85 114.8 6.8
4.0 12.041 7.47 10.00 1.141 100.00 400.00 69.3 130.9 6.8
4.0 12.041 6.96 7.57 0.775 100.00 400.00 79.85 130.9 6.8
Table 6. Gain of 3 Filter Confi gurations
GAIN
f
O
(MHz) f
–3dB
(MHz) Q R1 () R2 () C1 (pF) C2 (pF)
e
in
(nV/√Hz)V/V dB
3.0 9.542 16.06 12.36 0.568 66.67 200.00 48.2 81.5 7.1
3.0 9.542 14.68 15.74 0.763 66.67 200.00 48.2 97.6 7.1
3.0 9.542 13.53 17.83 1.091 66.67 200.00 48.2 114.8 7.1
3.0 9.542 13.29 9.88 0.554 66.67 200.00 58.75 97.6 7.1
3.0 9.542 12.26 12.39 0.715 66.67 200.00 58.75 114.8 7.1
3.0 9.542 11.36 15.77 1.300 133.33 400.00 48.2 81.5 7.4
3.0 9.542 11.48 14.07 0.928 66.67 200.00 58.75 130.9 7.1
3.0 9.542 11.29 8.34 0.552 66.67 200.00 69.3 114.8 7.1
3.0 9.542 10.29 11.04 0.763 133.33 400.00 58.75 81.5 7.4
3.0 9.542 10.57 10.06 0.674 66.67 200.00 69.3 130.9 7.1
3.0 9.542 9.40 12.85 1.224 133.33 400.00 58.75 97.6 7.4
3.0 9.542 8.65 9.54 0.788 133.33 400.00 69.3 97.6 7.4
3.0 9.542 8.06 6.69 0.601 133.33 400.00 79.85 97.6 7.4
3.0 9.542 7.98 10.88 1.212 133.33 400.00 69.3 114.8 7.4
3.0 9.542 7.43 8.48 0.825 133.33 400.00 79.85 114.8 7.4
3.0 9.542 6.96 9.40 1.172 133.33 400.00 79.85 130.9 7.4
3.0 9.542 9.85 7.13 0.544 66.67 200.00 79.85 130.9 7.1
APPLICATIONS INFORMATION
LTC6601-2
24
66012f
APPLICATIONS INFORMATION
Table 7. Gain of 2 Filter Confi gurations
GAIN
f
O
(MHz) f
–3dB
(MHz) Q R1 () R2 () C1 (pF) C2 (pF)
e
in
(nV/√Hz)V/V dB
2.0 6.021 16.06 18.95 0.868 100.00 200.00 48.2 81.5 8.1
2.0 6.021 14.55 12.69 0.626 100.00 200.00 58.75 81.5 8.1
2.0 6.021 14.68 20.46 1.323 100.00 200.00 48.2 97.6 8.1
2.0 6.021 13.29 15.34 0.840 100.00 200.00 58.75 97.6 8.1
2.0 6.021 12.24 10.96 0.640 100.00 200.00 69.3 97.6 8.1
2.0 6.021 12.26 16.66 1.200 100.00 200.00 58.75 114.8 8.1
2.0 6.021 11.29 12.98 0.835 100.00 200.00 69.3 114.8 8.1
2.0 6.021 10.29 13.97 1.197 200.00 400.00 58.75 81.5 8.5
2.0 6.021 10.51 9.76 0.660 100.00 200.00 79.85 114.8 8.1
2.0 6.021 10.57 13.97 1.102 100.00 200.00 69.3 130.9 8.1
2.0 6.021 9.47 10.52 0.796 200.00 400.00 69.3 81.5 8.5
2.0 6.021 9.85 11.17 0.819 100.00 200.00 79.85 130.9 8.1
2.0 6.021 8.82 7.55 0.616 200.00 400.00 79.85 81.5 8.5
2.0 6.021 8.65 11.91 1.254 200.00 400.00 69.3 97.6 8.5
2.0 6.021 8.06 9.48 0.864 200.00 400.00 79.85 97.6 8.5
2.0 6.021 7.43 10.40 1.341 200.00 400.00 79.85 114.8 8.5
Table 8. Gain of 1.667 Filter Confi gurations
GAIN
f
O
(MHz) f
–3dB
MHz Q R1
()R2
() C1 (pF) C2 (pF)
e
in
nV/√HzV/V dB
1.667 4.437 19.67 19.35 0.696 80.00 133.33 48.2 81.5 8.5
1.667 4.437 17.97 22.12 0.934 80.00 133.33 48.2 97.6 8.5
1.667 4.437 16.57 23.16 1.336 80.00 133.33 48.2 114.8 8.5
1.667 4.437 16.28 15.60 0.679 80.00 133.33 58.75 97.6 8.5
1.667 4.437 15.01 17.80 0.875 80.00 133.33 58.75 114.8 8.5
1.667 4.437 14.33 18.58 1.046 80.00 133.33 58.75 126 8.5
1.667 4.437 13.82 13.19 0.676 80.00 133.33 69.3 114.8 8.5
1.667 4.437 12.94 14.77 0.826 80.00 133.33 69.3 130.9 8.5
1.667 4.437 12.06 11.32 0.666 80.00 133.33 79.85 130.9 8.5
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P40

LTC6601CUF-2#TRPBF

Mfr. #:
Buy LTC6601CUF-2#TRPBF
Manufacturer:
Analog Devices Inc.
Description:
Differential Amplifiers Low Power, Low Distortion, 0.5% Tolerance, Pin Configurable Filter/Amplifier
Lifecycle:
New from this manufacturer.
Delivery:
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