MAX2642 datasheet(5/16 Pages) MAXIM

Part #	MAX2642

Description	900MHz SiGe, High IP3, Low-Noise Amplifiers

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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900MHz SiGe, High IP3,

Low-Noise Amplifiers

_______________________________________________________________________________________

5

12.6

13.0

12.8

13.4

13.2

13.8

13.6

14.0

800

880

840

920

960

820

900

860

940

980 1000

MAX2642

ATTENUATION STEP vs. FREQUENCY

FREQUENCY (MHz)

MATCHED AT 900MHz

-35

-25

-30

-15

-20

-5

-10

0

800

880

840

920

960

820

900

860

940

980 1000

RETURN LOSS vs. FREQUENCY

(HIGH GAIN)

FREQUENCY (MHz)

MATCHED AT 900MHz

INPUT

OUTPUT

-35

-25

-30

-15

-20

-5

-10

0

800

880

840

920

960

820

900

860

940

980 1000

MAX2642

RETURN LOSS vs. FREQUENCY

(LOW GAIN)

FREQUENCY (MHz)

MATCHED AT 900MHz

INPUT

OUTPUT

-35

-25

-30

-15

-20

-5

-10

0

800

880

840

920

960

820

900

860

940

980 1000

REVERSE ISOLATION vs. FREQUENCY

FREQUENCY (MHz)

MATCHED AT 900MHz

LOW GAIN

HIGH GAIN

-60

-50

-20

-10

-30

-40

0

MAX2642

HIGH/LOW-GAIN SWITCH

CHARACTERISTICS

TIME (400ns/div)

VRFOUT

0V

3V

-90

-70

-80

-50

-60

-40

-30

-10

-20

0

MAX2643

SHUTDOWN CHARACTERISTICS

TIME (4

µs/div)

VRFOUT

0V

3V

0

4

2

8

6

10

12

14

16

0

400 600

200

800 1000 1200 1400 1600

SUPPLY CURRENT vs. RBIAS

RBIAS (

Ω)

TA = +85

°C, HIGH GAIN

TA = -40

°C, LOW GAIN

TA = +85

°C, LOW GAIN

TA = +25

°C, LOW GAIN

TA = +25

°C, HIGH GAIN

TA = -40

°C, HIGH GAIN

0.0001

0.1

0.01

0.001

10

1

-40

-20

0

20

40

60

80

100

SHUTDOWN CURRENT

vs. TEMPERATURE

TEMPERATURE (

°C)

VCC = 5.5V

VCC = 3.0V

4.0

4.8

4.4

5.6

5.2

6.4

6.0

6.8

7.6

7.2

8.0

2.4

3.2

3.6

2.8

4.0

4.4

4.8

5.2

5.6

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

TA = +85

°C, HIGH GAIN

TA = -40

°C, LOW GAIN

TA = +85

°C, LOW GAIN

TA = +25

°C, LOW GAIN

TA = +25

°C, HIGH GAIN

TA = -40

°C,

HIGH GAIN

Typical Operating Characteristics (continued)

(MAX2642/MAX2643 EV kits, VCC = +3.0V, PRFIN = -30dBm, input and output are terminated to 50

Ω, fRFIN = 900MHz, RBIAS =

510

Ω, high-gain mode (low-gain mode is applicable only to the MAX2642), TA = +25°C, unless otherwise noted.)

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