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ADE7752AR Folha de dados(PDF) 6 Page - Analog Devices |
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ADE7752AR Folha de dados(HTML) 6 Page - Analog Devices |
6 / 10 page REV. PrB 08/01 PRELIMINARY TECHNICAL DATA ADE7752 –6– Pin No. MNEMONIC DESCRIPTION 19 CLKIN Master clock for ADCs and digital signal processing. An external clock can be pro- vided at this logic input. Alternatively, a parallel resonant AT crystal can be connected across CLKIN and CLKOUT to provide a clock source for the ADE7752. The clock frequency for specified operation is 10MHz. Ceramic load capacitors of between 22pF and 33pF should be used with the gate oscillator circuit. Refer to crystal manufacturers data sheet for load capacitance requirements 20 CLKOUT A crystal can be connected across this pin and CLKIN as described above to provide a clock source for the ADE7752. The CLKOUT pin can drive one CMOS load when either an external clock is supplied at CLKIN or a crystal is being used. 21, 22 S0, S1 These logic inputs are used to select one of four possible frequencies for the digital-to- frequency conversion. This offers the designer greater flexibility when designing the energy meter. See Selecting a Frequency for an Energy Meter Application section. 23, 24 F2, F1 Low Frequency Logic Outputs. F1 and F2 supply average real power information. The logic outputs can be used to directly drive electromechanical counters and two phase stepper motors. See Transfer Function section. PIN CONFIGURATION SOIC Package TOP VIEW (Not to Scale) ADE7752 REFIn/Out AGND ICN ICP IBN CF DGND VDD REVP IBP IAN IAP VN VCP VBP VAP RESET S0 F2 S1 F1 SCF CLKIN CLKOUT 2 3 4 5 6 7 8 9 10 11 12 1 24 23 22 21 20 19 18 17 16 15 14 13 |
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Descrição semelhante - ADE7752AR |
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