MAX2685EEE 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

比赛名单

MAX2685EEE

Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer

Maxim Integrated 

Low-Cost, 900MHz, Low-Noise Amplifier

and Downconverter Mixer

AC ELECTRICAL CHARACTERISTICS (continued)

(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.)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

Mixer Conversion Gain Variation over

Temperature

GAIN = VCC, TA = TMIN to TMAX (Note 3)

1

2

dB

Mixer Noise Figure (SSB)

Mixer Input IP3 (Note 6)

LO Port Return Loss

LO-to-LNAIN Isolation

LO-to-MIXIN Isolation

LNAOUT-to-MIXIN Isolation

OVERALL SYSTEM

Receiver Enable Time

GAIN = VCC

GAIN = GND

GAIN = VCC

GAIN = GND

SHDN = VCC or GND

(Note 7)

13

dB

12.1

7

dBm

-1.5

11

dB

53

dB

31

dB

28

dB

0.8

µs

Note 1:

Note 2:

Note 3:

Note 4:

Note 5:

Note 6:

Note 7:

Performance at temperatures greater than or equal to +25°C are guaranteed by production test; performance at tempera-

tures less than +25°C are guaranteed by design and characterization.

This is the recommended operating frequency range.

Maximum and minimum limits are guaranteed by design and device characterization and are not production tested.

Two tones at 880MHz and 880.1MHz, -30dBm per tone.

Two tones at 880MHz and 880.1MHz, -10dBm per tone.

Two tones at 880MHz and 880.1MHz, -25dBm per tone.

Time from SHDN = high, until the cascaded receive gain is within 1dB of its final value. Measured with 47pF blocking

capacitors on LNAIN and LNAOUT. Matching network removed from IFOUT output.

Typical Operating 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.)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

10

9

TA = +85°C

8

TA = +25°C

7

GAIN = HIGH

6

TA = -40°C

5 TA = +85°C

4

3

GAIN = LOW

2

TA = +25°C TA = -40°C

1

0

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

SHUTDOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

10

9 SHDN = GND

8

7

6

TA = +85°C

5

4

TA = +25°C

3

2

1

TA = -40°C

0

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

LNA GAIN vs. SUPPLY VOLTAGE

20

GAIN = HIGH

TA = -40°C

15

TA = +25°C

TA = +85°C

10

5

0

-5

GAIN = LOW

TA = +25°C

TA = +85°C

TA = -40°C

-10

-15

2.5 3.0 3.5 4.0 4.5 5.0 5.5

SUPPLY VOLTAGE (V)

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