LT1806CS6-PBF LINER [Linear Technology], LT1806CS6-PBF Datasheet - Page 23
![no-image](/images/no-image-200.jpg)
LT1806CS6-PBF
Manufacturer Part Number
LT1806CS6-PBF
Description
325MHz, Single/Dual,Rail-to-Rail Input and Output, Low Distortion,Low Noise Precision Op Amps
Manufacturer
LINER [Linear Technology]
Datasheet
1.LT1806CS6-PBF.pdf
(28 pages)
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Single 3V Supply, 4MHz, 4th Order Butterworth Filter
Benefi ting from a low voltage supply operation, low
distortion and rail-to-rail output of LT1806/LT1807, a low
distortion fi lter that is suitable for antialiasing can be built
as shown in Figure 6.
TYPICAL APPLICATIONS
V
V
2
IN
S
232Ω
(OPTIONAL)
Figure 6. Single 3V Supply, 4MHz, 4th Order Butterworth Filter
365Ω
665Ω
220pF
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
Figure 7. Filter Frequency Response
0
4.7μF
(OPTIONAL)
10k
–
1/2 LT1807
+
V
V
232Ω
47pF
S
IN
= 3V, 0V
= 2.5V
100k
P-P
FREQUENCY (Hz)
274Ω
1M
On a 3V supply, the fi lter built with LT1807 has a passband
of 4MHz with 2.5V
than 70dB to frequency of 100MHz. As an option to minimize
the DC offset voltage at the output, connect a series resistor
of 365Ω and a bypass capacitor at the noninverting inputs
of the amplifi ers as shown in Figure 6.
562Ω
10M
470pF
18067 F07
100M
–
1/2 LT1807
+
274Ω
22pF
P-P
signal and stopband that is greater
18067 F06
LT1806/LT1807
V
OUT
23
18067fb
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