MAX2057ETX(2010) 查看數據表（PDF） - Maxim Integrated

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MAX2057ETX
(Rev.:2010)

1300MHz to 2700MHz Variable-Gain Amplifier with Analog Gain Control

Maxim Integrated 

1300MHz to 2700MHz Variable-Gain

Amplifier with Analog Gain Control

ABSOLUTE MAXIMUM RATINGS

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

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

Soldering Temperature (reflow) .......................................+260°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 = 1.2k
, R2 = 2k
(Note 1)

180 230

mA

RSET1 Current

RSET2 Current

Gain-Control Voltage Range

R1 = 1.2k
(Note 1)

R1 = 2k
(Note 1)

(Note 2)

1

mA

0.6

mA

1.0

4.5

V

Gain-Control Pin Input Resistance VCNTL = 1V to 4.5V

50

k

RECOMMENDED AC OPERATING CONDITIONS

PARAMETER

Frequency Range

(Note 3)

CONDITIONS

MIN

1300

TYP

MAX UNITS

2700 MHz

AC ELECTRICAL CHARACTERISTICS

(Typical Operating Circuit with one attenuator connected, VCC = +4.75V to +5.25V, TA = -40°C to +85°C, fIN = 1700MHz to

2500MHz, unless otherwise noted. Typical values are at VCC = +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, POUT = +5dBm, fIN = 2100MHz,

VCNTL = 1V, 50Ω system impedance, second attenuator is not connected, TA = +25°C, unless otherwise noted.) (Note 4)

PARAMETER

Gain

Maximum Gain Variation

CONDITIONS

TA = +25°C, VCC = 5.0V, fIN = 2100MHz

TA = +25°C, VCC = 5.0V, fIN = 1560MHz

TA = +25°C, VCC = 5.0V, fIN = 1500MHz

TA = +25°C, VCC = 5.0V, fIN = 1450MHz

VCNTL = 1V

TA = +25°C to -40°C

VCNTL = 1.8V

VCNTL = 2.6V

VCNTL = 3.5V

VCNTL = 1V

TA = +25°C to +85°C

VCNTL = 1.8V

VCNTL = 2.6V

VCNTL = 3.5V

MIN

13.5

11.5

11.5

11.5

TYP

15.5

14.5

14.3

14

+0.9

+0.41

+0.09

-0.16

-1

-0.56

-0.32

+0.1

MAX

17.5

16.5

16.5

16.5

UNITS

dB

dB

2 _______________________________________________________________________________________

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