MAX7032 datasheet(4/32 Pages) MAXIM

Part #	MAX7032

Description	Low-Cost, Crystal-Based, Programmable, ASK/FSK Transceiver with Fractional-N PLL

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Cost, Crystal-Based, Programmable,

ASK/FSK Transceiver with Fractional-N PLL

4

_______________________________________________________________________________________

AC ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit, 50

Ω system impedance, AVDD = DVDD = PAVDD = HVIN = +2.1V to +3.6V, fRF = 300MHz to 450MHz, TA =

-40°C to +125°C, unless otherwise noted. Typical values are at PAVDD = AVDD = DVDD = HVIN = +2.7V, TA = +25°C, unless otherwise

noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

POWER AMPLIFIER

TA = +25°C (Note 4)

4.6

10.0

15.5

TA = +125°C, AVDD = DVDD = HVIN =

PAVDD = +2.1V (Note 2)

3.9

6.7

Output Power

POUT

TA = -40°C, AVDD = DVDD = HVIN =

PAVDD = +3.6V (Note 4)

13.1

15.8

dBm

Modulation Depth

82

dB

Maximum Carrier Harmonics

With output-matching network

-40

dBc

Reference Spur

-50

dBc

PHASE-LOCKED LOOP

Transmit VCO Gain

KVCO

340

MHz/V

10kHz offset, 200kHz loop BW

-68

Transmit PLL Phase Noise

1MHz offset, 200kHz loop BW

-98

dBc/Hz

Receive VCO Gain

340

MHz/V

10kHz offset, 500kHz loop BW

-80

Receive PLL Phase Noise

1MHz offset, 500kHz loop BW

-90

dBc/Hz

Transmit PLL

200

Loop Bandwidth

Receive PLL

500

kHz

Minimum Transmit Frequency

Step

fXTAL /

4096

kHz

Reference Frequency Input Level

0.5

VP-P

Programmable Divider Range

In transmit mode (Note 4)

20

27

LOW-NOISE AMPLIFIER/MIXER (Note 9)

fRF = 315MHz

1 - j4.7

LNA Input Impedance

ZINLNA

Normalized to

50

Ω

fRF = 434MHz

1 - j3.3

fRF = 315MHz

50

High-gain state

fRF = 434MHz

45

fRF = 315MHz

13

Voltage-Conversion Gain

Low-gain state

fRF = 434MHz

9

dB

High-gain state

-42

Input-Referred 3rd-Order

Intercept Point

IIP3

Low-gain state

-6

dBm

Mixer Output Impedance

330

Ω

LO Signal Feedthrough to

Antenna

-100

dBm

RSSI

Input Impedance

330

Ω

Operating Frequency

fIF

10.7

MHz

3dB Bandwidth

10

MHz

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