MAQRF112 datasheet(3/15 Pages) MICREL

3 / 15 page

Micrel, Inc.

MAQRF112

February 7, 2013

Revision 1.0

Absolute Maximum Ratings

(1)

Supply Voltage (VVDD) .................................................+4.3V

Voltage on PAOUT (VPAOUT)........................................+7.2V

Logic Inputs (VASK, VFSK, VEN)....... VVSS – 0.3 to VVDD + 0.3V

Storage Temperature Range ................... –65°C to + 150°C

Lead Temperature (soldering, 10s).......................... +260°C

ESD Rating.................................................................Note 3

Operating Ratings

(2)

Supply Voltage (VVDD, VPAOUT)………………+1.8V to +3.6V

Input Voltage (VASK, VFSK, VEN)….........................0V to VVDD

Junction Temperature (TJ) ........................ –40°C to +125°C

Transmitter Frequency Range (fRF)...... 300MHz to 450MHz

Thermal Resistance, (

JA)………………………….130°C/W

Electrical Characteristics

(4)

VVDD = 3.0V, TA = +25°C, fREFOSC = 9.84375MHz for 315MHz, fREFOSC = 13.560MHz for 433.92MHz, ASK = EN = VDD.

MICRF/MAQRF112 50

Ω Evaluation Board. Bold values indicate TA = –40°C to +125°C unless otherwise noted. 1Kbps data rate, 50%

duty cycle, pulse width = 500µs.

Parameter

Condition

Min

Typ

Max

Units

Power Supply

Standby Supply Current

VVDD = 3.6V, VEN = 0V

0.05

µA

Mark Supply Current

fRF = 315MHz

VVDD = VASK = 3.0V

11.5

VVDD = VASK = 3.6V

12.1

14.5

fRF = 433.92MHz

VVDD = VASK = 3.0V

11.6

VVDD = VASK = 3.6V

12.1

15.0

SPACE Supply Current

fRF = 315MHz

VVDD = 3.0V, VASK = 0V

2.4

VVDD = 3.6V, VASK = 0V

2.5

3.5

fRF = 433.92MHz

VVDD = 3.0V, VASK = 0V

2.7

VVDD = 3.6V, VASK = 0V

2.8

3.8

ASK Modulated Supply

Current

fRF = 315MHz

VVDD = 3.0V, VASK = 1kHz

6.9

fRF = 433.92MHz

VVDD = 3.0V, VASK = 1kHz

7.2

RF Output Section and Modulation Limits

Output Power Level

VASK = 3.0V

fRF = 315MHz

dBm

fRF = 433.92MHz

dBm

Harmonic Output

fRF = 315MHz

fHARMONIC = 630MHz

–53

dBc

fHARMONIC = 945MHz

–53

dBc

fRF = 433.92MHz

fHARMONIC = 867.84MHz

–51

dBc

fHARMONIC = 1301.76MHz

–65

dBc

Extinction Ratio for ASK

fRF = 315MHz

dBc

fRF = 433.92MHz

dBc

FSK Modulation

Maximum Data Rate

Manchester Encoded (50% Duty Cycle)

(4)

Kbps

Maximum Frequency

Deviation

Crystal = HC49/US, load capacitor = 10pF

(4)

±25

kHz

XTAL_MOD to VSS

Impedance, RDSon

FSK = VSS

FSK = VDD

ASK Modulation

Maximum Data Rate

Manchester Encoded (50% Duty Cycle)

kbps

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