MF8CCN National Semiconductor, MF8CCN Datasheet
MF8CCN
Specifications of MF8CCN
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MF8CCN Summary of contents
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... Center frequency range kHz Y Q range Supply voltage range 9V to 14V ( Y Center frequency accuracy 1% over full temperature Y range Order Number MF8CCJ See NS Package Number TL H 8694 – 1 January 1995 7V Dual-In-Line Package TL H 8694 – 2 Top View or MF8CCN J18A or N18A RRD-B30M115 Printed ...
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... Operating Ratings Temperature Range MF8CCN MF8CCJ 500 mW Supply Voltage ( 150 Range CLK c for CLK s 260 C for 250 kHz f s 300 C 215 C 220 C The following specifications apply for V MF8CCN Tested Design Typical Limit Limit (Note 9) (Note 10) (Note ...
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... Note 3 The maximum power dissipation must be derated at elevated temperatures and is dictated by T allowable power dissipation at any temperature is P device T 125 C and the typical junction-to-ambient thermal resistance of the MF8CCN when board mounted For the MF8CCJ this number e JMAX increases Note 4 The center frequency of each 2nd-order filter section is defined as the frequency where the phase shift through the filter is zero ...
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Note possible for a signal output (pin 15 shorted to V Note anything other than 0V then the value of V typical ...
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Typical Performance Characteristics f f Ratio vs Clock CLK o Frequency 50 1 Mode f f Ratio vs CLK o Temperature 100 1 Mode Q vs Supply Voltage 50 1 and 100 1 Op Amp Open Loop Frequency Response f ...
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Typical Performance Characteristics Positive Swing vs Load Resistance Positive Swing vs Supply Voltage Supply Current vs Temperature Filter Offset Voltage and 100 1 (Continued) Negative Swing vs Negative Swing vs Load Resistance Supply Voltage Negative Swing ...
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Application Information FIGURE 1 Simplified Block Diagram of the MF8 FIGURE 2a Separate Second-Order ‘‘Tracking’’ Filters FIGURE 2b Fourth-Order Bandpass Made by Cascading Two Second-Order Stages (Continued 8694– 8694 – ...
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Application Information FIGURE 2c Multiple Feedback Loop Connection 1 2 CLOCKS The MF8 has two clock input pins one for CMOS logic lev- els and the other for TTL levels The TTL (pin 7) input auto- matically adjusts ...
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Application Information 1 3 POWER SUPPLIES AND ANALOG GROUND The MF8 can be operated from single or dual-polarity power supplies For dual-supply operation the analog ground (pin 4) should be connected to system ground When single sup- plies ...
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Application Information 1 4 MULTIPLE FEEDBACK LOOP CONFIGURATION The multi-loop approach to building bandpass filters is high- ly flexible and stable yet uses few external components Figure 5 shows the MF8’s internal operational amplifier and two second-order filter ...
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Application Information f and f The filter’s lower and upper cutoff frequencies C1 C2 These define the filter’s passband f and f The boundaries of the filter’s stopband The filter’s bandwidth ...
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Application Information Higher-order filters are designed in a similar manner An eighth-order Chebyshev with ripple center frequency equal to 1 kHz and 100 Hz bandwidth for example could be built as in Figure 11 with ...
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FIGURE 8 Butterworth Bandpass Filter Design Nomograph 8694 – 16 ...
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FIGURE 9 Chebyshev Bandpass Filter Design Nomograph 8694 – 17 ...
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FIGURE 10 Example of Chebyshev Bandpass Nomograph Use SBW and max min 8694 – resulting ...
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Application Information FIGURE 11 Eighth-Order multiple-feedback bandpass filter using two MF8s The circuit shown accepts a TTL-level clock signal and has a clock-to-center-frequency ratio of 100 TRACKING AND CASCADED SECOND-ORDER BANDPASS FILTERS The individual second-order ...
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Application Information tant but much greater flexibility and better performance will be obtained by using the feedback techniques described INPUT IMPEDANCE The input to each filter block is a switched-capacitor circuit as shown ...
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Design Tables for Multiple Feedback Loop Bandpass Filters Order 0000 4 0000 6 2 3704 2 6667 8 2 9142 2 0000 10 3 6340 1 6000 12 4 5635 1 3333 ...
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Design Tables for Multiple Feedback Loop Bandpass Filters Order 7471 3 1020 6 1 4150 1 3249 8 0 9089 0 6431 10 0 4856 0 3516 Order ...
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Design Tables for Multiple Feedback Loop Bandpass Filters Order 2816 1 8857 6 0 7530 0 6316 8 0 2952 0 2762 Order 2283 1 7727 ...
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Design Tables for Multiple Feedback Loop Bandpass Filters Order 9501 1 2461 6 0 4733 0 3803 Order 9192 1 1934 6 0 4515 0 3616 ...
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Design Tables for Multiple Feedback Loop Bandpass Filters Order 7176 0 8744 6 0 3237 0 2544 Order 6968 0 8438 6 0 3118 0 2446 ...
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Physical Dimensions inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number MF8CCJ NS Package Number J18A 23 ...
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... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Molded Dual-In-Line Package (N) Order Number MF8CCN NS Package Number N18A 2 A critical component is any component of a life ...