Rainbow-electronics MAX2057 Manual do Utilizador descarregar pdf (Página 2)

MAX2057

1700MHz to 2500MHz Variable-Gain

Amplifier with Analog Gain Control

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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.

to GND...........................................................-0.3V to +5.5V

CNTL

to GND (with V

applied) .............................0V to 4.75V

Current into V

CNTL

pin (V

grounded) .............................40mA

All Other Pins to GND.................................-0.3V to (V

+ 0.3V)

RF Input Power (IN, IN_A, ATTN_OUT, OUT_A) ...........+20dBm

RF Input Power (AMP_IN)...............................................+12dBm

(natural convection)...................................................35°C/W

(1m/s airflow) .............................................................31°C/W

(2.5m/s airflow) ..........................................................29°C/W

(junction to exposed paddle) ....................................10°C/W

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

Storage Temperature Range .............................-65°C to +150°C

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

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

DC ELECTRICAL CHARACTERISTICS

= +4.75V to +5.25V, no RF signals applied, all input and output ports terminated with 50Ω, T

= -40°C to +85°C, unless other-

wise noted. Typical values are at V

= +5.0V, T

= +25°C, unless otherwise noted.)

PARAMETER CONDITIONS

MIN TYP MAX

UNITS

Supply Voltage

4.75

5.25

Supply Current R1 = 1.2kΩ, R2 = 2kΩ (Note 1)

180

230 mA

SET1

Current R1 = 1.2kΩ (Note 1) 1 mA

SET2

Current R1 = 2kΩ (Note 1) 0.6 mA

Gain-Control Voltage Range (Note 2) 1.0 4.5 V

Gain-Control Pin Input Resistance

CNTL

= 1V to 4.5V

250 500

kΩ

AC ELECTRICAL CHARACTERISTICS

(Typical Operating Circuit with one attenuator connected, V

= +4.75V to +5.25V, T

= -40°C to +85°C, unless otherwise noted.

Typical values are at V

= +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, P

OUT

= +5dBm, f

= 2100MHz, V

CNTL

= 1V, 50Ω system impedance,

second attenuator is not connected, T

= +25°C, unless otherwise noted.) (Note 3)

PARAMETER CONDITIONS

MIN

TYP

MAX

UNITS

Frequency Range

1700 2500

MHz

Gain T

= +25°C

13.5 15.5 17.5

CNTL

= 1V

+0.9

CNTL

= 1.8V

+0.41

CNTL

= 2.6V

+0.09

= +25°C to -40°C

CNTL

= 3.5V

-0.16

CNTL

= 1V -1

CNTL

= 1.8V

-0.56

CNTL

= 2.6V

-0.32

Maximum Gain Variation

= +25°C to +85°C

CNTL

= 3.5V

+0.1

Reverse Isolation 37 dB

Noise Figure (Note 4) 6 dB

Output 1dB Compression Point

+23.8

dBm

Output 2nd-Order Intercept Point

From maximum gain to 15dB attenuation, measured at f

+ f

(Note 5)

+64

dBm

Output 3rd-Order Intercept Point

From maximum gain to 15dB attenuation (Note 5)

+37

dBm

1 2 3 4 5 6 7 ... 11 12

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