MAX2681(1998) 查看數據表（PDF） - Maxim Integrated

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MAX2681
(Rev.:1998)

400MHz to 2.5GHz, Low-Noise, SiGe Downconverter Mixers

Maxim Integrated 

400MHz to 2.5GHz, Low-Noise,

SiGe Downconverter Mixers

ABSOLUTE MAXIMUM RATINGS

VCC to GND ..........................................................-0.3V to +6.0V

RFIN Input Power (50Ω Source).....................................+10dBm

LO Input Power (50Ω Source) ........................................+10dBm

SHDN, IFOUT, RFIN to GND ......................-0.3V to (VCC + 0.3V)

LO to GND..........................................(VCC - 1V) to (VCC + 0.3V)

Continuous Power Dissipation (TA = +70°C)

SOT23-6 (derate 8.7mW/°C above +70°C)..................696mW

Operating Temperature Range ..........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +160°C

Lead Temperature (soldering, 10sec) .............................+300°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

DC ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +5.5V, SHDN = +2V, TA = TMIN to TMAX unless otherwise noted. Typical values are at VCC = +3V and TA = +25°C.

Minimum and maximum values are guaranteed over temperature by design and characterization.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Operating Supply Current

Shutdown Supply Current

Shutdown Input Voltage High

Shutdown Input Voltage Low

Shutdown Input Bias Current

ICC

ICC

VIH

VIL

ISHDN

MAX2680

MAX2681

MAX2682

SHDN = 0.5V

0 < SHDN < VCC

5.0

7.7

8.7

12.7

mA

15.0 21.8

0.05

5

µA

2.0

V

0.5

V

0.2

µA

AC ELECTRICAL CHARACTERISTICS

(MAX2680/1/2 EV Kit, VCC = SHDN = +3.0V, TA = +25°C, unless otherwise noted. RFIN and IFOUT matched to 50Ω. PLO = -5dBm,

PRFIN = -25dBm.)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

MAX2680

RF Frequency Range

(Notes 1, 2)

400

2500 MHz

LO Frequency Range

(Notes 1, 2)

400

2500 MHz

IF Frequency Range

(Notes 1, 2)

10

500 MHz

Conversion Power Gain

fRF = 400MHz, fLO = 445MHz, fIF = 45MHz

fRF = 900MHz, fLO = 970MHz, fIF = 70MHz

fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz (Note 1)

fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz

7.3

11.6

dB

5.7

7.6

8.6

7.0

Gain Variation Over Temperature

fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz,

TA = TMIN to TMAX (Note 1)

1.9

2.4

dB

Input Third-Order Intercept Point

(Note 3)

Noise Figure (Single Sideband)

LO Input VSWR

fRF = 900MHz, 901MHz, fLO = 970MHz, fIF = 70MHz

fRF = 1950MHz, 1951MHz, fLO = 1880MHz, fIF = 70MHz

fRF = 2450MHz, 2451MHz, fLO = 2210MHz, fIF = 240MHz

fRF = 900MHz, fLO = 970MHz, fIF = 70MHz

fRF = 1950MHz, fLO = 2020MHz, fIF = 70MHz

fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz

50Ω source impedance

-12.9

-8.2

-6.9

6.3

8.3

11.7

1.5:1

dBm

dB

LO Leakage at IFOUT Port

LO Leakage at RFIN Port

IF/2 Spurious Response

fLO = 1880MHz

fLO = 1880MHz

fRF = 1915MHz, fLO = 1880MHz, fIF = 70MHz (Note 4)

-22

dBm

-26

dBm

-51

dBm

2 _______________________________________________________________________________________

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