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STP1021APGA-85 Datasheet Voltage Sense Input (IVP) The mains voltage is divided t0 14VRMS.at nominal mains voltage by means of resistors Rl, R2, R3 and R4. The current into the voltage sense input is set at 14pARMS with resistor R5 from the voltage divider. The voltage sense input of the AD convertersaturates at an input current of+25pA peak. STP1021APGA-85 Price Notes: 1. Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance matching t0 50 Q and measured with 50 Q network analyzer. 2. Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc. 3. Rejection is measured as attenuation below the minimum IL point in the passband. Rejection in final user application is dependent on PCB layout and external impedance matching design. See Application Note No. 42 for details. All "NC" or "no connection" terminals should be grounded. 4. "LRIP" or "L" after the part number indicates "low rate initial production" and "ENG" or "E" indicates "engineering prototypes." 5. The design, manufacturing process, and specifications of this filter are subject to change. 6. Either Port l or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port l and Port 2, so that the filter must always be installed in one direction per the circuit design. 7. US and international patents may apply. 8. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc. 9. ~Copyright 1999, RF Monolithics Inc. STP1021APGA-85 on stock
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