MAX2685EEE datasheet(2/10 Pages) MAXIM

2 / 10 page

Low-Cost, 900MHz, Low-Noise Amplifier

and Downconverter Mixer

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +5.5V, V SHDN = +2V, VGAIN = +2V, LNAIN = LNAOUT = MIXIN = LO = unconnected, IFOUT+ = IFOUT- = VCC, TA

= -40°C to +85°C. Typical values are at TA = +25°C and VCC = +3V, unless otherwise noted.)

AC ELECTRICAL CHARACTERISTICS

(MAX2685 EV kit, VCC = V SHDN = +3V, fLNAIN = fMIXIN = 880MHz, fLO = 960MHz, PLNAIN = -30dBm, PLO = -8dBm, PMIXIN = -25dBm,

differential IFOUT operation, Zo = 50Ω, TA = +25°C, 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.

VCC to GND ..............................................................-0.3V to +6V

LNAIN Input Power (50

Ω source)...................................+10dBm

LO Input Power (50

Ω source) ........................................+10dBm

MIXIN Input Power (50

Ω source) ...................................+10dBm

IFOUT+, IFOUT- to GND ..........................................-0.3V to +6V

LNAOUT to GND ......................................................-0.3V to +6V

GAIN, SHDN to GND..................................-0.3V to (VCC + 0.3V)

Continuous Power Dissipation (TA = +70°C)

16-Pin QSOP (derate 8.3mW/°C above +70°C)............667mW

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

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

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

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

SHDN = GND

GAIN = VCC

GAIN, SHDN

VSHDN = VGAIN = 0 to 5.5V

CONDITIONS

µA

0.1

1.0

Shutdown Supply Current

8.5

14.1

2.7

5.5

Supply Voltage Range

2.0

Logic Input Voltage High

0.5

Logic Input Voltage Low

µA

±0.01

±1

Logic Input Current

UNITS

MIN

TYP

MAX

PARAMETER

GAIN = GND

3.8

6.4

Operating Supply Current

GAIN = GND

-14

-12

-10.3

GAIN = VCC, TA = TMIN to TMAX (Note 2)

LNA Gain

GAIN = VCC

GAIN = GND

GAIN = VCC

CONDITIONS

0.9

1.6

LNA Gain Variation over Temperature

16.2

1.4

12.2

LNA Noise Figure

-18.4

LNA Input 1dB Compression

UNITS

MIN

TYP

MAX

PARAMETER

MHz

800

1000

RF Frequency Range (Note 1)

GAIN = VCC

GAIN = GND

dBm

-18.6

-11.3

LNAOUT Port Return Loss

MHz

800

1000

RF Frequency Range (Note 1)

GAIN = GND

2.5

4.6

6.0

Mixer Conversion Gain

GAIN = VCC

4.7

6.1

7.0

GAIN = VCC (Note 3)

GAIN = GND (Note 4)

-4.1

dBm

+16.2

LNA Input IP3

LOW-NOISE AMPLIFIER (LNA)

DOWNCONVERTER MIXER

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