MAX7031ATJ datasheet(7/19 Pages) MAXIM

Part #	MAX7031ATJ

Description	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Cost, 308MHz, 315MHz, and 433.92MHz

ASK Transceiver with Fractional-N PLL

_______________________________________________________________________________________

7

S11 SMITH PLOT OF RFIN

434MHz

500MHz

400MHz

INPUT IMPEDANCE

vs. INDUCTIVE DEGENERATION

MAX7031 toc15

INDUCTIVE DEGENERATION (nH)

10

30

40

50

60

70

80

90

20

-280

-270

-260

-250

-240

-230

-220

-290

1100

fRF = 315MHz

IMAGINARY

IMPEDANCE

REAL IMPEDANCE

INPUT IMPEDANCE

vs. INDUCTIVE DEGENERATION

MAX7031 toc16

INDUCTIVE DEGENERATION (nH)

10

30

40

50

60

70

80

90

20

-210

-200

-190

-180

-170

-160

-150

-220

1100

fRF = 434MHz

IMAGINARY

IMPEDANCE

REAL IMPEDANCE

PHASE NOISE vs. OFFSET FREQUENCY

OFFSET FREQUENCY (Hz)

1M

100k

10k

1k

-110

-100

-90

-80

-70

-60

-50

-120

100

10M

fRF = 315MHz

PHASE NOISE vs. OFFSET FREQUENCY

OFFSET FREQUENCY (Hz)

1M

100k

10k

1k

-110

-100

-90

-80

-70

-60

-50

-120

100

10M

fRF = 434MHz

Typical Operating Characteristics (continued)

(Typical Operating Circuit, PAVDD = AVDD = DVDD = HVIN = +3.0V, fRF = 433.92MHz, IF BW = 280kHz. 4kbps Manchester

encoded, 0.2% BER deviation = ±50kHz, TA = +25°C, unless otherwise noted.)

RECEIVER

S11 vs. RF FREQUENCY

RF FREQUENCY (MHz)

450

400

350

300

250

-18

-12

-6

0

-24

200

500

433.92MHz

Similar Part No. - MAX7031ATJ

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX7031ATJ	234Kb / 20P	FSK Transceiver with Fractional-N PLL Rev 3; 11/10

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Similar Description - MAX7031ATJ

Manufacturer	Part #	Datasheet	Description
Maxim Integrated Produc...	MAX7031	220Kb / 20P	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL Rev 2; 6/09
	MAX7031	234Kb / 20P	Low-Cost, 308MHz, 315MHz, and 433.92MHz FSK Transceiver with Fractional-N PLL Rev 3; 11/10
	MAX7030_V4	281Kb / 20P	Low-Cost, 315MHz and 433.92MHz ASK Transceiver with Fractional-N PLL Rev 4; 6/12
	MAX7030	735Kb / 20P	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL Rev 0; 5/05
	MAX7030	245Kb / 20P	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL Rev 2; 6/09
	MAX7030	243Kb / 20P	Low-Cost, 315MHz, 345MHz, and 433.92MHz ASK Transceiver with Fractional-N PLL Rev 3; 11/10
	MAX7042	440Kb / 19P	308MHz/315MHz/418MHz/433.92MHz Low-Power, FSK Superheterodyne Receiver Rev 1; 3/07
	MAX7042	190Kb / 17P	308MHz/315MHz/418MHz/433.92MHz Low-Power, FSK Superheterodyne Receiver Rev 2; 1/12
	MAX7042	225Kb / 18P	308MHz/315MHz/418MHz/433.92MHz Low-Power, FSK Superheterodyne Receiver Rev 0; 5/05
	MAX7031MATJ50	234Kb / 20P	FSK Transceiver with Fractional-N PLL Rev 3; 11/10

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MAX7031ATJ Datasheet(PDF) 7 Page - Maxim Integrated Products

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