MAX2091ETP+ datasheet(5/29 Pages) MAXIM

Part #	MAX2091ETP+

Description	50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz Upconverting Mixer with Image Filtering, Threshold Alarm Circuit, and Error Amplifier for Level Control

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Manufacturer	MAXIM [Maxim Integrated Products]

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50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz

Upconverting Mixer with Image Filtering, Threshold

Alarm Circuit, and Error Amplifier for Level Control

MAX2091

5

AC ELECTRICAL CHARACTERISTICS (continued)

(Typical Application Circuit with analog attenuator set to maximum gain, VCC = 4.75V to 5.8V, fRF = 1835MHz, fLO = 1485MHz,

fIF = 350MHz, fRF = fLO + fIF, PLO = -10dBm to -4dBm, TC = -40°C to +95°C, and IF_IN, LO+, and RF_OUT ports are connected

to 50ω sources and loads, unless otherwise noted. Typical values are at TC = +25°C, VCC = 5.5V, PLO = -7dBm, PIF = -25dBm,

VPLVLSET = 2.5V, CTRL1 = logic 1, CTRL2 = logic 0. Min/max specifications apply over supply, process, and temperature, unless

otherwise noted. (Notes 5, 7, 8)

Note 5: Min and max limits are production tested, and guaranteed at TC = +95NC for worst-case supply voltage and frequency.

Note 6: Recommended functional range, not production tested. Operation outside this range is possible, but with degraded

performance of some parameters.

Note 7: All limits include external component and PCB losses. Output measurements taken at the RF port of the Typical Application

Circuit.

Note 8: It is advisable not to continuously operate the VGA IF_IN and MIX_IN above +11dBm.

Note 9: Gain variation after slope compensation with external equalizer in position R2–R4 in the Typical Application Circuit.

Typical Operating Characteristics

(Typical Application Circuit configured for AGC amp only (IF_IN to IF_OUT), analog attenuator set to maximum gain (VPLVLSET = 2.5V),

VCC = 5.5V, TC = +25NC, fIF_IN = 350MHz, PIF_IN = -25dBm, RSOURCE = RLOAD = 50I, CTRL1 = 1, CTRL2 = 0, ALM_THRES = ALM =

open, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ERROR AMPLIFIER AND ALARM CIRCUIT (CTRL1 = CTRL2 = LOGIC 1)

Maximum AMP_OUT

Capacitance to GND

(Note 6)

20

pF

ALM Threshold

Input = DET_VIN

1.35

V

GAIN vs. IF FREQUENCY

IF FREQUENCY (MHz)

28

24

50

500

410

320

230

140

TC = +95°C

TC = +25°C

25

26

27

TC = -40°C

GAIN vs. IF FREQUENCY

IF FREQUENCY (MHz)

28

24

50

500

410

320

230

140

25

26

27

VCC = 4.75V, 5.00V, 5.50V, 5.80V

GAIN OVER PLVSET SETTING

vs. IF FREQUENCY

IF FREQUENCY (MHz)

-10

0

10

20

30

-20

0V

1.5V

2.5V

2.0V

0.5V

50

500

410

320

230

140

1.0V

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