MAX1479 datasheet(2/10 Pages) MAXIM

2 / 10 page

300MHz to 450MHz Low-Power,

Crystal-Based +10dBm ASK/FSK Transmitter

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(

Typical Application Circuit, all RF inputs and outputs are referenced to 50

Ω, VDD = +2.1V to +3.6V, VENABLE = VDD, TA = -40°C to

+125°C, unless otherwise noted. Typical values are at VDD = +2.7V, TA = +25°C, unless otherwise noted.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

VDD to GND .............................................................-0.3V to +4V

All Other Pins to GND ................................-0.3V to (VDD + 0.3V)

Continuous Power Dissipation (TA = +70°C)

16-Pin TQFN (derate 14.7mW/°C above +70°C).........1176.5mW

Operating Temperature Range .........................-40°C to +125°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-60°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VDD

2.1

3.6

fRF = 315MHz

2.9

4.3

PA off, VDIN at

0% duty cycle

(ASK or FSK)

(Note 2)

fRF = 433MHz

3.3

4.8

fRF = 315MHz

6.7

10.7

VDIN at 50% duty

cycle (ASK)

(Notes 3, 4)

fRF = 433MHz

7.3

11.4

fRF = 315MHz (Note 2)

10.5

17.1

Supply Current

IDD

VDIN at 100%

duty cycle (FSK)

fRF = 433MHz (Note 4)

11.4

18.1

TA = +25°C

0.2

TA < +85

°C (Note 4)

120

300

Standby Current

ISTDBY

VENABLE < VIL

TA < +125

°C (Note 2)

700

1600

DIGITAL INPUTS AND OUTPUTS

Data Input High

VIH

(Note 2)

VDD -

0.25

Data Input Low

VIL

(Note 2)

0.25

Maximum Input Current

IIN

µA

Output Voltage High

VOH

CLKOUT, load = 10k

Ω || 10pF (Note 4)

VDD -

0.25

Output Voltage Low

VOL

CLKOUT, load = 10k

Ω || 10pF (Note 4)

0.25

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