LTC5598 datasheet(4/16 Pages) LINER

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LTC5598

5598f

ELECTRICAL CHARACTERISTICS V

CC = 5V, EN = 5V, TA = 25ºC, PLO = 0dBm, single-ended; BBPI, BBMI,

BBPQ, BBMQ common-mode DC voltage VCMBB = 0.5VDC, I&Q baseband input signal = 100kHz CW, 0.8VPP,DIFF each, I&Q 90° shifted

(lower side-band selection), unless otherwise noted. (Note 11)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

LO INPUT (LOP)

fLO

LO Frequency Range

5 to 1600

MHz

PLO,DIFF

Differential LO Input Power Range

–10 to 20

dBm

PLO, SE

Single-Ended LO Input Power Range

–10 to 12

dBm

S11, ON

LO Input Return Loss

EN = High

–10.5

S11, OFF

LO Input Return Loss

EN = Low

–9.6

BASEBAND INPUTS (BBPI, BBMI, BBPQ, BBMQ)

BWBB

Baseband Bandwidth

-3dB Bandwidth

>400

MHz

Ib,BB

Baseband Input Current

Single-Ended

–68

μA

RIN, SE

Input Resistance

Single-Ended

–7.4

kΩ

VCMBB

DC Common-Mode Voltage

Externally Applied

0.5

VSWING

Amplitude Swing

No Hard Clipping, Single-Ended

0.86

VP-P

POWER SUPPLY (VCC1, VCC2)

VCC

Supply Voltage

4.5

5.25

ICC(ON)

Supply Current

EN = High, ICC1+ ICC2

130

165

200

ICC(OFF)

Supply Current, Sleep Mode

EN = 0V, ICC1+ ICC2

0.24

0.9

tON

Turn-On Time

EN = Low to High (Notes 8, 10)

tOFF

Turn-Off Time

EN = High to Low (Notes 9, 10)

POWER UP/DOWN

Enable

Input High Voltage

Input High Current

EN = High

EN = 5V

μA

Sleep

Input Low Voltage

Input Low Current

EN = Low

EN = 0V

–40

μA

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: The LTC5598 is guaranteed functional over the operating

temperature range –40ºC to 85ºC.

Note 3: At 6MHz offset from the LO signal frequency. 100nF between BBPI

and BBMI, 100nF between BBPQ and BBMQ.

Note 4: Baseband is driven by 2MHz and 2.1MHz tones with 1VPP,DIFF for

two-tone signals at each I or Q input (0.5VPP,DIFF for each tone).

Note 5: IM2 is measured at LO frequency – 4.1MHz.

Note 6: IM3 is measured at LO frequency – 1.9 MHz and LO frequency

– 2.2MHz.

Note 7: Amplitude average of the characterization data set without image

or LO feedthrough nulling (unadjusted).

Note 8: RF power is within 10% of ﬁnal value.

Note 9: RF power is at least 30dB lower than in the ON state.

Note 10: External coupling capacitors at pins LOP, LOM and RF are 100pF

each.

Note 11: Tests are performed as shown in the conﬁguration of Figure 10.

The LO power is applied to J3 while J5 is terminated with 50Ω to ground

for single-ended LO drive.

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