MF8CCJ National Semiconductor, MF8CCJ Datasheet
MF8CCJ
Specifications of MF8CCJ
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MF8CCJ Summary of contents
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... Key Specifications 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 ...
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... MIN MAX 14V 250 kHz any Q 1 MHz MHz CLK s CLK LOAD to T all other limits MIN MAX MF8CCJ Tested Design Units Typical Limit Limit (Note 9) (Note 10) (Note 120 240 ...
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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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... Floor Straight Block a Ocean Centre 5 Canton Rd 49) 0-180-530 85 85 Tsimshatsui Kowloon a Tel ( 49) 0-180-532 78 32 Hong Kong a 49) 0-180-532 93 58 Tel (852) 2737-1600 a Tel ( 49) 0-180-534 16 80 Fax (852) 2736-9960 a Lit 108778 National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 ...