LT5521 datasheet(4/16 Pages) LINER

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LT5575

5575f

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: Tests are performed as shown in the conﬁguration of Figure 1.

Note 3: Speciﬁcations over the –40˚C to 85˚C temperature range are

assured by design, characterization and correlation with statistical

process control.

Note 4: DSB Noise Figure is measured with a small-signal noise source

at the baseband frequency of 15MHz without any ﬁltering on the RF input

and no other RF signal applied.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

RF to LO Isolation

RF = 900MHz (Note 5)

RF = 1900MHz

RF = 2100MHz

RF = 2500MHz

59.7

57.1

59.5

53.1

dBc

AC ELECTRICAL CHARACTERISTICS V

CC = +5V, EN = High, TA = 25°C, PRF = –10dBm (–10dBm/tone for

2-tone IIP2 and IIP3 tests), Baseband Frequency = 1MHz (0.9MHz and 1.1MHz for 2-tone tests), PLO = 0dBm, unless otherwise noted.

(Notes 2, 3, 6)

Note 5: 900MHz performance is measured with external RF and LO

matching. The optional output capacitors C1-C4 (10pF) are also used for

best IIP2 performance.

Note 6: For these measurements, the complementary outputs (e.g., IOUT

IOUT

– ) were combined using a 180˚ phase shift combiner.

Note 7: Large-signal noise ﬁgure is measured at an output frequency of

198.7MHz with RF input signal at fLO –1MHz. Both RF and LO input signals

are appropriately bandpass ﬁltered, as well as baseband output.

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