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MCRF452 Datasheet(PDF) 11 Page - Microchip Technology |
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MCRF452 Datasheet(HTML) 11 Page - Microchip Technology |
11 / 50 page 2003 Microchip Technology Inc. DS40232H-page 11 MCRF450/451/452/455 TABLE 2-8: INTERNAL RESONANT CAPACITANCE AND ANTENNA INDUCTANCE REQUIREMENTS Device Name Resonant Capacitance (Antenna A to V SS) External Inductance Requirement between Antenna A and V SS for 13.56 MHz tag Connection to External Antenna Circuit Reference MCRF451 95 pF ±10% 1.45 µH ±10% Antenna A, B, and V SS pads This device requires three connections to an external circuit. Good for direct die attachment onto antenna. MCRF452 30 pF ±10% 4.591 µH ±10% Antenna A and V SS pads This device requires only two antenna connections. Good for both direct die attachment and COB. MCRF455 50 pF ±10% 2.76 µH ±10% Antenna A, B, and V SS pads This device requires three connections to an external circuit. Good for direct die attachment onto antenna. Note: The internal capacitance value for bumped die is about 1 pF higher than the unbumped die’s capacitor. |
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