LTC5544 datasheet(2/12 Pages) LINER

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dc1885af

DEMO MANUAL DC1885A

PERFORMANCE SUMMARY T

C = 25°C, VCC = VCC_IF = 3.3V, SHDN = Low, PLO = 2dBm, PRF = –3dBm (Δf =

2MHz, –3dBm/tone for two-tone tests), unless otherwise noted. (Note 1)

PARAMETER

CONDITIONS

VALUE

UNITS

Low Side LO Downmixer Application: RF = 4.2GHz to 6GHz, IF = 240MHz, fLO = fRF – fIF

Conversion Gain

RF = 4900MHz

RF = 5250MHz

RF = 5800MHz

7.9

7.4

6.4

2-Tone Input 3rd Order Intercept

RF = 4900MHz

RF = 5250MHz

RF = 5800MHz

25.4

25.9

25.8

dBm

2-Tone Input 2nd Order Intercept

fRF1 = 5371MHz, fRF2 = 5130MHz, fLO = 5010MHz,

fIM2 = fRF1 – fRF2

43.2

dBm

SSB Noise Figure

RF = 4900MHz

RF = 5250MHz

RF = 5800MHz

10.3

11.3

12.8

SSB Noise Figure Under Blocking

fRF = 5250MHz, fLO = 5010MHz, fBLOCK = 4910MHz,

PBLOCK = 5dBm

16.9

2RF – 2LO Output Spurious Product (fRF = fLO + fIF/2)

fRF = 5130MHz at –10dBm, fLO = 5010MHz

–58.3

dBc

3RF – 3LO Output Spurious Product (fRF = fLO + fIF/3)

fRF = 5090MHz at –10dBm, fLO = 5010MHz

–77

dBc

Input 1dB Compression

RF = 5250MHz, VCC_IF = 3.3V

RF = 5250MHz, VCC_IF = 5V

11.4

14.6

dBm

High Side LO Downmixer Application: RF = 4GHz to 5.8GHz, IF = 240MHz, fLO = fRF + fIF

Conversion Gain

RF = 4500MHz

RF = 4900MHz

RF = 5250MHz

8.0

7.7

7.3

2-Tone Input 3rd Order Intercept

RF = 4500MHz

RF = 4900MHz

RF = 5250MHz

24.2

25.1

24.0

dBm

2-Tone Input 2nd Order Intercept

fRF1 = 4779MHz, fRF2 = 5020MHz, fLO = 5140MHz,

fIM2 = fRF2 – fRF1

39.8

dBm

SSB Noise Figure

RF = 4500MHz

RF = 4900MHz

RF = 5250MHz

10.7

11.0

11.7

2LO – 2RF Output Spurious Product (fRF = fLO – fIF/2)

fRF = 5020MHz at –10dBm, fLO = 5140MHz

–55

dBc

3LO – 3RF Output Spurious Product (fRF = fLO – fIF/3)

fRF = 5060MHz at –10dBm, fLO = 5140MHz

–75

dBc

Input 1dB Compression

RF = 4900MHz, VCC_IF = 3.3V

RF = 4900MHz, VCC_IF = 5V

11.3

14.5

dBm

Note 1: Subject to change without notice. Refer to the latest LTC5544 data sheet for most-up-to-date specifications.

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