MAX2831ETM datasheet(2/34 Pages) MAXIM

Part #	MAX2831ETM

Description	2.4GHz to 2.5GHz 802.11g/b RF Transceivers with Integrated PA

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Manufacturer	MAXIM [Maxim Integrated Products]

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2.4GHz to 2.5GHz 802.11g/b

RF Transceivers with Integrated PA

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(MAX2831 EV kit: VCC_ = 2.7V to 3.6V, VCCPA = VCCTXPA = 2.7V to 4.2V, TA = -40°C to +85°C, Rx set to the maximum gain. CS =

high, RXHP = SCLK = DIN = low, RSSI and clock output buffer are off, no signal at RF inputs, all RF inputs and outputs terminated

into 50

Ω, receiver baseband outputs are open. 100mVRMS differential I and Q signals (54Mbps IEEE 802.11g OFDM) applied to I/Q

baseband inputs of transmitter in transmit mode, fREF = 40MHz, and registers set to recommended settings and corresponding test

mode, unless otherwise noted. Typical values are at VCC = 2.8V, VCCPA = 3.3V, and TA = +25°C, LO frequency = 2.437GHz, unless

otherwise noted. RF inputs/outputs specifications are referenced to device pins and do not include 1dB loss from EV kit PCB, balun,

and SMA connectors.) (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.

VCCTXPA, VCCPA and TXRF_ to GND ....................-0.3V to +4.5V

VCCLNA, VCCTXMX, VCCPLL, VCCCP, VCCXTAL, VCCVCO,

VCCRXVGA, VCCRXFL, and VCCRXMX_ to GND....-0.3V to +3.9V

B6, B7, B3, B2, SHDN, B5, CS, SCLK, DIN, B1, TUNE, B4,

TXBBI_, TXBBQ_, RXHP, RXTX, RXBBI_, RXBBQ_, RSSI,

BYPASS, CPOUT, LD, CLOCKOUT, XTAL, CTUNE, RXRF_ to

GND .......................................-0.3V to (Operating VCC + 0.3V)

RXBBI_, RXBBQ_, RSSI, BYPASS, CPOUT, LD, CLOCKOUT

Short-Circuit Duration ..........................................................10s

RF Input Power ...............................................................+10dBm

Continuous Power Dissipation (TA = +70°C)

48-Pin TQFN (derates 27.8mW/°C above +70°C) ..........2.22W

Operating Temperature Range ...........................-40°C to +85°C

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

Storage Temperature Range .............................-65°C to +160°C

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

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

CAUTION! ESD SENSITIVE DEVICE

PARAMETERS

CONDITIONS

MIN

TYP

MAX

UNITS

VCC_

2.7

3.6

Supply Voltage

VCCPA, VCCTXPA

2.7

4.2

V

Shutdown mode,

B7: B1 = 0000000,

reference oscillator not

applied

TA = +25°C

20

µA

TA = +25°C

28

35

Standby mode

TA = -40°C to +85°C

35

TA = +25°C

62

78

Rx mode

TA = -40°C to +85°C

82

MAX2831, transmit section

82

104

MAX2831, PA, POUT = +18.2dBm

209

258

Tx mode, TA = +25°C,

VCC = 2.8V, VCCPA =

3.3V, (Note 2)

MAX2832

86

Rx calibration mode

TA = +25°C

101

Supply Current

Tx calibration mode

TA = +25°C

78

mA

Rx I/Q Output Common-Mode

Voltage

TA = +25°C at default common-mode setting

0.98

1.2

1.33

V

TA = -40°C (relative to TA = +25°C)

-17

Rx I/Q Output Common-Mode

Voltage Variation

TA = +85°C (relative to TA = +25°C)

15

mV

Tx Baseband Input Common-

Mode Voltage Operating Range

DC-coupled

0.9

1.3

V

Tx Baseband Input Bias Current

Source current

22

µA

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