MCP451P datasheet(11/50 Pages) MICROCHIP

Part #	MCP451P

Description	13.56 MHz Read/Write Passive RFID Device

PDF	50 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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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

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

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

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.

MCP451P Datasheet(PDF) 11 Page - Microchip Technology

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