LT5518EUF datasheet(2/16 Pages) LINER

2 / 16 page

LT5518

5518f

15 14 13

TOP VIEW

EXPOSED PAD (PIN 17) IS GND

MUST BE SOLDERED TO THE PCB

GND

Supply Voltage .........................................................5.5V

Common Mode Level of BBPI, BBMI and

BBPQ, BBMQ .......................................................2.5V

Operating Ambient Temperature

(Note 2) .............................................. – 40°C to 85°C

Storage Temperature Range.................. – 65°C to 125°C

Voltage on Any Pin

Not to Exceed...................... – 500mV to VCC + 500mV

ORDER PART

NUMBER

UF PART

MARKING

TJMAX = 125°C, θJA = 37°C/W

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

5518

LT5518EUF

(Note 1)

VCC = 5V, EN = High, TA = 25°C, fLO = 2GHz, fRF = 2.002GHz, PLO = 0dBm.

BBPI, BBMI, BBPQ, BBMQ inputs 2.06VDC, Baseband Input Frequency = 2MHz, I and Q 90° shifted (upper sideband selection).

PRF, OUT = –10dBm, unless otherwise noted. (Note 3)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RF Output (RF)

fRF

RF Frequency Range

– 3dB Bandwidth

1.5 to 2.4

GHz

RF Frequency Range

–1dB Bandwidth

1.7 to 2.2

GHz

S22, ON

RF Output Return Loss

EN = High (Note 6)

–14

S22, OFF

RF Output Return Loss

EN = Low (Note 6)

–12

NFloor

RF Output Noise Floor

No Input Signal (Note 8)

–158.2

dBm/Hz

POUT = 4dBm (Note 9)

–152.5

dBm/Hz

POUT = 4dBm (Note 10)

–151.1

dBm/Hz

Conversion Power Gain

POUT/PIN, I&Q

10.6

Conversion Voltage Gain

20 • log(VOUT, 50Ω/VIN, DIFF, I or Q)

– 4

POUT

Absolute Output Power

1VP-P, DIFF CW Signal, I and Q

dBm

G3LO vs LO

3 • LO Conversion Gain Difference

(Note 17)

– 28

OP1dB

Output 1dB Compression

(Note 7)

8.5

dBm

OIP2

Output 2nd Order Intercept

(Notes 13, 14)

dBm

OIP3

Output 3rd Order Intercept

(Notes 13, 15)

22.8

dBm

Image Rejection

(Note 16)

– 40

dBc

LOFT

Carrier Leakage

EN = High, PLO = 0dBm (Note 16)

– 49

dBm

(LO Feedthrough)

EN = Low, PLO = 0dBm (Note 16)

– 58

dBm

LO Input (LO)

fLO

LO Frequency Range

1.5 to 2.4

GHz

PLO

LO Input Power

–10

dBm

S11, ON

LO Input Return Loss

EN = High (Note 6)

–18

S11, OFF

LO Input Return Loss

EN = Low (Note 6)

– 5

NFLO

LO Input Referred Noise Figure

(Note 5) at 2GHz

GLO

LO to RF Small Signal Gain

(Note 5) at 2GHz

23.8

IIP3LO

LO Input Linearity

(Note 5) at 2GHz

– 9

dBm

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

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