MLX90121 datasheet(3/26 Pages) MELEXIS

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MLX90121

13.56MHz RFID Transceiver

3901090121

Page 3 of 26

Data Sheet

Rev. 007

Jan-2008

3. Glossary of Terms

RFID

Radio Frequency IDentification

ISO

International Organization for Standardization / International Electro-technical Commission.

ASK

Amplitude Shift Keying

FSK

Frequency Shift Keying

PSK

Phase Shift Keying

4. Absolute Maximum Ratings

Parameter

Symbol

Condition

Min

Max

Unit

Supply voltage (VDD with respect to VSS)

VDD

-0.3

Input voltage on any pin (except TX)

Vin

-0.3

VDD+0.3

Maximum power dissipation (without heat sink)

Pmax

500

Maximum junction temperature

+150

ºC

Storage temperature

Tstor

-55

+150

ºC

Exceeding the absolute maximum ratings may cause permanent damage. Exposure to absolute-maximum-

rated conditions for extended periods may affect device reliability.

5. MLX90121 Electrical Specifications

TA = -40 ºC to +85 ºC, or 0ºC to +70 ºC according to the version, VDD = 5Volts, unless otherwise noted.

On board resonator is used.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

General DC Parameters

Operating supply voltage range

VDD

VDD with respect to VSS

2.7

5.5

Standby current consumption

Istb

VDD = 5.5 V - TA = +85 ºC

TA = +25 ºC

0.1

µA

Idle mode current consumption

Idle

VDD = 5.5V - Analog section off

VDD = 3V, XBUF output disabled

Transmit current

Itr

50 Ohms load

VDD = 3V

120

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