LTC1067CS Linear Technology, LTC1067CS Datasheet
LTC1067CS
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LTC1067CS Summary of contents
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... Center Frequency Error < 0.2% Typ Low Noise: < RMS Customizable with Internal Resistors U APPLICATIONS Notch Filters Narrowband Bandpass Filters Tone Detection Noise Reduction Systems , LTC and LT are registered trademarks of Linear Technology Corporation. U TYPICAL APPLICATION Single 3.3V Supply Rail-to-Rail, 4th Order, 10kHz Bandpass Filter CLK ...
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... CLK U W INFORMATION ORDER PART TOP VIEW NUMBER 16 CLK 15 AGND LTC1067CGN – LTC1067-50CGN 13 SB LTC1067IGN 12 LPB LTC1067-50IGN 11 BPB LTC1067CS 10 HPB/NB LTC1067-50CS 9 INV B LTC1067IS LTC1067-50IS S PACKAGE 16-LEAD PLASTIC SO = 135 C/ W (GN 115 4.75V unless otherwise noted MIN TYP MAX 3 11 2.65 2.80 4 ...
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ELECTRICAL CHARACTERISTICS LTC1067 (complete filter 4.75V CLK PARAMETER CONDITIONS Q Accuracy 4.75V 5V Temperature Coefficient O Q Temperature Coefficient DC Offset Voltage ...
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LTC1067/LTC1067-50 ELECTRICAL CHARACTERISTICS LTC1067-50 (complete filter 4.75V PARAMETER CONDITIONS f Temperature Coefficient O Q Temperature Coefficient DC Offset Voltage (See Table 2) V (DC Offset of Input Inverter) OS1 V (DC Offset of First Integrator) OS2 ...
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W U TYPICAL PERFORMANCE CHARACTERISTICS LTC1067 Noise + THD vs Input Frequency –75 MODE 1 –80 MODE 3 –85 4TH ORDER BUTTERWORTH LPF V = SINGLE 5V 500kHz S CLK 5kHz ...
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LTC1067/LTC1067- TYPICAL PERFORMANCE CHARACTERISTICS LTC1067-50 Noise + THD vs Input Voltage –20 4TH ORDER BUTTERWORTH LPF – SINGLE 5V 1kHz 250kHz 5kHz CLK –3dB – 20k ...
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W U TYPICAL PERFORMANCE CHARACTERISTICS LTC1067/LTC1067-50 Mode 1B Noise Increase vs R5/R6 Ratio 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0 0.5 1.0 1.5 2.0 R5/R6 RATIO PIN FUNCTIONS + – ...
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LTC1067/LTC1067- PIN FUNCTIONS SA, SB (Pins 4, 13): Summing Inputs. The summing pins’ connection, along with the other resistor connections, determine the circuit topology (mode) of each 2nd order section. These pins should never be left floating. ...
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... For a complete listing of all the operating modes, consult the appendices of the FilterCAD manual or the Help files in FilterCAD. FilterCAD can be obtained free of charge on the Linear Technology web site (http:// www.linear-tech.com) or you can order the FilterCAD CD-ROM by contacting Linear Technology’s marketing department ...
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LTC1067/LTC1067-50 W ODES OF OPERATIO – V – CLK (R6 + R5) RATIO AGND ( ...
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W ODES OF OPERATIO Mode 3a This is an extension of Mode 3 where the highpass and lowpass outputs are summed through two external resis- tors, R and create a notch (see Figure 7). Mode 3a H ...
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LTC1067/LTC1067- APPLICATIONS INFORMATION A switched-capacitor integrator generally exhibits a higher input offset than a discrete RC integrator. The larger offset is mainly due to the charge injection from the CMOS switches into the integrated capacitor. The integrator’s op ...
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U U APPLICATIONS INFORMATION Aliasing Aliasing is an inherent phenomenon of switched-capacitor filters and occurs when the frequency of the input signals that produce the strongest aliased components have a frequency such as (f – SAMPLING ...
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LTC1067/LTC1067- APPLICATIONS INFORMATION 5.0 4.5 LTC1067 4.0 LTC1067-50 3.5 3.0 2 LOAD RESISTANCE ( Figure 11. LTC1067/LTC1067-50 Positive Output Voltage Swing vs Load Resistance, 5V ...
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... Figure 14. Power and AGND Connections for 3V/3.3V ADC with 2.048V Full Scale Semi-Custom Filter Program Linear Technology has in place a program to deliver fully integrated filters, custom designed for any specified appli- cation. These semi-custom filters are based on an existing universal filter product with integrated, on-chip resistors. ...
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LTC1067/LTC1067- APPLICATIONS INFORMATION This would be used for operating Mode 3. Here resistor in the R61 position also works. Jumpers JP52 and JP62 perform the same functions on the B side of the part. The buffering ...
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U U APPLICATIONS INFORMATION Figure 16. Silkscreen for the LTC1067/LTC1067-50 Demo Board U TYPICAL APPLICATIONS 5th Order Lowpass with Input RC (Fixed Frequency) 5V 0.1 F R41, 20k R31, 47. R21, 22.6k R IN1 R IN2 16.9k 22.6k ...
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LTC1067/LTC1067-50 U TYPICAL APPLICATIONS 5V 0.1 F R61 40.2k R51 4.99k R31, 56.2k R21, 10k R11 60. Gain and Group Delay vs Frequency 10 5 GAIN 0 –5 –10 DELAY –15 –20 –25 –30 –35 –40 600 760 ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... FREQUENCY (kHz) 1067 TA04 Ratio O Ratio O Ratio O Ratio O < 150kHz C 10675fs, sn1067 LT/TP 0698 4K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1997 0.150 – 0.157** (3.810 – 3.988) S16 0695 ...