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LT5571

5571f

PACKAGE/ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

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

Common-Mode Level of BBPI, BBMI and

BBPQ, BBMQ .......................................................0.6V

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

(Note 1)

16 15 14 13

TOP VIEW

UF PACKAGE

16-LEAD (4mm

× 4mm) PLASTIC QFN

GND

TJMAX = 125°C, θJA = 37°C/W

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB

ORDER PART NUMBER

UF PART MARKING

LT5571EUF

5571

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

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

VCC = 5V, EN = High, TA = 25°C, fLO = 900MHz, fRF = 902MHz,

PLO = 0dBm. BBPI, BBMI, BBPQ, BBMQ CM input voltage = 0.5VDC, Baseband Input Frequency = 2MHz, I & 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

–1dB Bandwidth

0.62 to 1.1

0.65 to 1.04

GHz

S22, ON

RF Output Return Loss

EN = High (Note 6)

12.7

S22, OFF

RF Output Return Loss

EN = Low (Note 6)

11.6

NFloor

RF Output Noise Floor

No Input Signal (Note 8)

POUT = 4dBm (Note 9)

POUT = 4dBm (Note 10)

–159

–153.3

–152.9

dBm/Hz

Conversion Voltage Gain

20 • Log (VOUT, 50Ω/VIN, DIFF, I or Q)

–4.2

POUT

Absolute Output Power

1VP-P DIFF CW Signal, I and Q

–0.2

dBm

G3LO vs LO

3 • LO Conversion Gain Difference

(Note 17)

–25.5

OP1dB

Output 1dB Compression

(Note 7)

8.1

dBm

OIP2

Output 2nd Order Intercept

(Notes 13, 14)

63.8

dBm

OIP3

Output 3rd Order Intercept

(Notes 13, 15)

21.7

dBm

Image Rejection

(Note 16)

–53

dBc

LOFT

Carrier Leakage (LO Feedthrough)

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

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

–42

–61

dBm

Note: The baseband input pins should not be left ﬂoating.

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