MAX2242 datasheet(4/9 Pages) MAXIM

4 / 9 page

2.4GHz to 2.5GHz

Linear Power Amplifier

_______________________________________________________________________________________

Typical Operating Characteristics

(VCC = +3.3V, fIN = 2.45MHz, RF modulation = IEEE 802.11b, V SHDN = VCC, TA = +25°C, unless otherwise noted.)

GAIN vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.7

3.3

3.0

3.6

PO = +22dBm

TA = +25

°C

TA = +85

°C

TA = -40

°C

240

220

280

260

300

320

2.7

3.0

3.3

3.6

ICC vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

PO = +22dBm

TA = +25

°C

TA = -40

°C

TA = +85

°C

IDLE CURRENT SET TO 280mA

AT VCC = +3.3V, TA = +25

°C

OUTPUT POWER vs. INPUT POWER

INPUT POWER (dBm)

-15

-11

-7

-3

-13

-9

-5

-1

120

150

180

210

240

270

300

330

ICC vs. OUTPUT POWER

OUTPUT POWER (dBm)

10 12 14 16 18 20 22

TA = +25

°C

TA = -40

°C

TA = +85

°C

IDLE CURRENT ADJUSTED TO

KEEP ACPR/ALT = -33/-55dBc

-40

-32

-33

-34

-36

-37

-38

-39

-30

-31

-28

-29

-27

-25

-26

-24

ACPR vs. OUTPUT POWER

OUTPUT POWER (dBm)

-35

IDLE CURRENT = 280mA

TA = +25

°C

TA = -40

°C

TA = +85

°C

2400

2450

2425

2475

2500

ACPR vs. FREQUENCY

FREQUENCY (MHz)

-35

-34

-33

-32

POUT = +22 dBm

280

285

290

295

300

305

310

315

320

2400

2425

2450

2475

2500

ICC vs. FREQUENCY

FREQUENCY (MHz)

PO = +22dBm

TA = +25

°C

TA = -40

°C

TA = +85

°C

0.4

0.6

1.8

0.8

1.2

1.4

1.6

468

210 12

POWER DETECTOR VOLTAGE

vs. OUTPUT POWER

OUTPUT POWER (dBm)

VCC = +2.7V, TA = +25

°C

VCC = +3.3V, TA = -40

°C

VCC = +3.3V, TA = +25

°C

VCC = +3.3V, TA = +85

°C

VCC = +3.6V, TA = +25

°C

VCC = +3.0V, TA = +25

°C

OUTPUT POWER HISTOGRAM AT FIXED

1.6V POWER DETECTOR VOLTAGE

OUTPUT POWER (dBm)

21.6

21.8

22.2

22.4

SIGMA = 0.14dBm

BASED ON

100 PARTS

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