LT5546 datasheet(4/12 Pages) LINER

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LT5546

5546f

Supply Current vs Supply Voltage

Gain and Noise Figure

vs Control Voltage at 3V Supply

Gain and Noise Figure

vs Control Voltage at 1.8V Supply

Gain Flatness

vs Control Voltage at 3V Supply

Gain and Noise Figure

vs Control Voltage and VCC

Gain and Noise Figure

vs IF Frequency at 3V Supply

TYPICAL PERFOR A CE CHARACTERISTICS V

CC = 3V, f2

×LO = 570MHz, P2×LO = –5dBm

(Note 5), fIF = 284MHz, PIF = –30dBm, I and Q outputs 800mVP-P into 4kΩ differential load, TA = 25°C, EN = VCC, STBY = VCC,

unless otherwise noted. (Note 3)

SUPPLY VOLTAGE (V)

1.75

2.25 2.75 3.25 3.75

5546 G01

4.25 4.75 5.25

–40

°C

VCTRL (V)

1.5

5546 G02

0.6

GAIN

–10

0.3

0.9

1.2

1.8

GAIN AT 25

°C

NF AT 25

°C

GAIN AT –40

°C

NF AT –40

°C

GAIN AT 85

°C

NF AT 85

°C

fIF = 284MHz

f2xLO = 570MHz

VCTRL (V)

1.5

5546 G03

0.6

GAIN

–10

0.3

0.9

1.2

1.8

GAIN AT –40

°C

NF AT 25

°C

GAIN AT 25

°C

NF AT –40

°C

GAIN AT 85

°C

NF AT 85

°C

fIF = 284MHz

f2xLO = 570MHz

VCTRL (V)

–0.5

–0.3

–0.1

0.1

0.3

0.6

0.9

5546 G04

1.2

0.3

0.5

–0.4

–0.2

0.2

0.4

1.5

–40

°C

VCTRL (V)

1.5

5546 G05

0.6

GAIN

–10

0.3

0.9

1.2

1.8

GAIN AT 1.8V

NF AT 1.8V

GAIN AT 3V

NF AT 3V

GAIN AT 5.25V

NF AT 5.25V

fIF = 284MHz

f2xLO = 570MHz

IF FREQUENCY (MHz)

–10

100

1000

5546 G06

GAIN, VCTRL = 1.6V

GAIN, VCTRL = 0.9V

GAIN, VCTRL = 0.2V

NF, VCTRL = 1.6V

NF, VCTRL = 0.9V

NF, VCTRL = 0.2V

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