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LTC1067-50CGN#TRPBF

更新时间： 2024-11-19 19:42:19
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凌特 - Linear /
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20页 294K
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LTC1067-50CGN#TRPBF 数据手册

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LTC1067/LTC1067-50  
Rail-to-Rail, Very Low Noise  
Universal Dual Filter Building Block  
U
FEATURES  
DESCRIPTION  
The LTC®1067/LTC1067-50 consist of two identical rail-  
to-rail, high accuracy and very wide dynamic range 2nd  
order switched-capacitor building blocks. Each building  
block, together with three to five resistors, provides 2nd  
orderfilterfunctionssuchasbandpass,highpass,lowpass,  
notch and allpass. High precision 4th order filters are  
easily designed.  
■
Rail-to-Rail Input and Output Operation  
■
Operates from a Single 3V to ±5V Supply  
■
■
■
Dual 2nd Order Filter in a 16-Lead SSOP Package  
> 80dB Dynamic Range on Single 3.3V Supply  
Clock-to-Center Frequency Ratio of 100:1 for the  
LTC1067 and 50:1 for the LTC1067-50  
Internal Sampling-to-Center Frequency Ratio of  
200:1 for the LTC1067 and 100:1 for the LTC1067-50  
Center Frequency Error < ±0.2% Typ  
■
Thecenterfrequencyofeach2ndordersectionistunedby  
the external clock frequency. The internal clock-to-center  
frequency ratio (100:1 for the LTC1067 and 50:1 for the  
LTC1067-50) can be modified by the external resistors.  
These devices have a double sampled architecture which  
placesaliasingandimagingcomponentsattwicetheclock  
frequency. The LTC1067-50 is a low power device con-  
suming about one half the current of the LTC1067. The  
LTC1067-50’s typical supply current is about 1mA from a  
3.3V supply.  
■
■
■
Low Noise: < 40µVRMS, Q ≤ 5  
Customizable with Internal Resistors  
U
APPLICATIONS  
■
Notch Filters  
■
Narrowband Bandpass Filters  
■
Tone Detection  
Noise Reduction Systems  
■
The LTC1067 and LTC1067-50 are available in 16-pin  
narrow SSOP and SO packages.  
Mask programmable versions of the LTC1067 and  
LTC1067-50, with thin film resistors on-chip and custom  
clock-to-cutoff frequency ratios, can be designed in an  
SO-8 package to realize application specific monolithic  
filters. Please contact LTC Marketing for more details.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATION  
Frequency Response  
Single 3.3V Supply Rail-to-Rail,  
4th Order, 10kHz Bandpass Filter  
0
1
2
3
4
16  
15  
14  
13  
+
f
= 500kHz  
V
CLK  
CLK  
–10  
–20  
–30  
–40  
NC  
AGND  
1µF  
+
–
3.3V  
V
V
0.1µF  
SA  
SB  
LTC1067-50  
5
6
7
8
12  
11  
10  
9
LPA  
LPB  
OUT  
R32, 200k  
R22, 10k  
R31, 200k  
R21, 10k  
BPA  
BPB  
HPA/NA  
INV A  
HPB/NB  
INV B  
R11  
200k  
IN  
10  
11  
8
12  
9
TOTAL OUTPUT NOISE: 90µV  
RMS  
RB1, 200k  
FREQUENCY (kHz)  
S/N RATIO: 80dB  
1067 TA01  
1067 • TA02  
1
1234567...20

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LTC1067-50CGN#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC1067-50IGN#TR Linear

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 		LTC1067 - Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block; Package: SSOP
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 		Rail-to-Rail, Very Low Noise Universal Dual Filter Building Block
LTC1067-50IS#PBF Linear

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LTC1067-50IS#TR Linear

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