MAX7057ASE datasheet(2/20 Pages) MAXIM

2 / 20 page

300MHz to 450MHz Frequency-Programmable

ASK/FSK Transmitter

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(

Typical Application Circuit, 50

Ω system impedance, tuned for 315MHz to 433.92MHz operation, VAVDD = VDVDD = VPAVDD = +2.1V

to +3.6V, fRF = 300MHz to 450MHz, fCRYSTAL = 16MHz, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VAVDD

= VDVDD = VPAVDD = +2.7V, TA = +25°C, unless otherwise noted. All min and max values are 100% tested at TA = +125°C, and

guaranteed by design and characterization over temperature, unless otherwise noted.)

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.

Supply Voltage, PAVDD, AVDD, DVDD to AGND,

DGND, PAGND ...................................................-0.3V to +4.0V

All Other Pins..................................._GND - 0.3V to _VDD + 0.3V

Continuous Power Dissipation (TA = +70°C)

16-Pin SO (derate 8.7mW/°C above +70°C)...............695.7mW

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

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

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

Soldering Temperature (reflow) .......................................+260°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

VDD

PAVDD, AVDD, and DVDD connected to

power supply, VDD

2.1

2.7

3.6

fRF = 315MHz

3.9

6.5

PA off, VDIN at 0%

duty cycle (ASK)

fRF = 433.92MHz

4.5

7.5

fRF = 315MHz

8.1

15.1

VDIN at 50% duty cycle

(ASK) (Notes 1, 2, 3)

fRF = 433.92MHz

8.5

15.0

fRF = 315MHz

12.2

23.7

Supply Current

IDD

VDIN at 100% duty

cycle (FSK) (Note 1)

fRF = 433.92MHz

12.4

22.4

TA = +25°C (Note 3)

0.8

TA < +85°C (Note 3)

6.4

Standby Current

ISTDBY

VENABLE < VIL

TA < +125°C

6.2

20.1

µA

DIGITAL I/O

Input High Threshold

VIH

0.9 x

VDVDD

Input Low Threshold

VIL

0.1 x

DVDD

Input Pulldown Sink Current

µA

Input Pullup Source Current

9µA

Output-Voltage High

VOH

ISINK = 500µA (GPO)

VDD -

0.37

Output-Voltage Low

VOL

ISOURCE = 500µA (GPO)

0.36

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