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MAX2056

800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control

Maxim Integrated 

800MHz to 1000MHz Variable-Gain

Amplifier with Analog Gain Control

ABSOLUTE MAXIMUM RATINGS

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

VCNTL to GND (with VCC applied)................................0 to 4.75V

Current into VCNTL Pin (VCC grounded) .............................40mA

All Other Pins to GND.................................-0.3V to (VCC + 0.3V)

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

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

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

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

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

θJC (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

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 = +4.75V to +5.25V, no RF signals applied, all input and output ports terminated with 50Ω, TA = -40°C to +85°C, unless other-

wise noted. Typical values are at VCC = +5.0V, TA = +25°C, unless otherwise noted.)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

Supply Voltage

4.75

5

5.25

V

Supply Current

R1 = 1.2kΩ, R2 = 3.92kΩ (Note 1)

136

167

mA

RSET1 Current

RSET2 Current

Gain-Control Voltage Range

R1 = 1.2kΩ (Note 1)

R2 = 3.92kΩ (Note 1)

(Note 2)

1

mA

0.33

mA

1.0

4.5

V

Gain-Control Pin Input Resistance

VCNTL = 1V to 4.5V

250 500

kΩ

AC ELECTRICAL CHARACTERISTICS

(Typical Operating Circuit with one attenuator connected, VCC = +4.75V to +5.25V, TA = -40°C to +85°C, unless otherwise noted.

Typical values are at VCC = +5.0V, R1 = 1.2kΩ, R2 = 3.92kΩ, POUT = +5dBm, fIN = 900MHz, VCNTL = 1V, 50Ω system impedance,

second attenuator is not connected, TA = +25°C, unless otherwise noted.) (Note 3)

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

Frequency Range

800

1000 MHz

Gain

Maximum Gain Variation

Reverse Isolation

TA = +25°C

TA = +25°C to -40°C

TA = +25°C to +85°C

VCNTL = 1V

VCNTL = 1.8V

VCNTL = 2.6V

VCNTL = 3.5V

VCNTL = 1V

VCNTL = 1.8V

VCNTL = 2.6V

VCNTL = 3.5V

15.5

dB

+0.82

+0.26

+0.25

-0.18

dB

-0.51

-0.11

-0.16

+0.09

29

dB

Noise Figure

(Note 4)

4.5

dB

Output 1dB Compression Point

+23.5

dBm

Output 2nd-Order Intercept Point

From maximum gain to 15dB attenuation,

+54

measured at f1 + f2 (Note 5)

Output 3rd-Order Intercept Point

From maximum gain to 15dB attenuation (Note 5)

+39

dBm

dBm

2 _______________________________________________________________________________________

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