20 MHz to 500 MHz

Dual IF Amplifier

Data Sheet

ADL5534

Rev. B

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FEATURES

Fixed gain of 20 dB

Operation up to 500 MHz

Input/output internally matched to 50

Ω

Integrated bias control circuit

OIP3 of 40 dBm at 70 MHz

P1dB of 20.4 dBm at 70 MHz

Noise figure of 2.5 dB at 70 MHz

Temperature and power supply stable

Single 5 V power supply

FUNCTIONAL BLOCK DIAGRAM

NC

NC = NO CONNECT

4

NC 2

NC 3

ADL5534

BIAS

NC 1

BIAS

Figure 1.

GENERAL DESCRIPTION

The ADL5534 contains two broadband, fixed-gain, linear

amplifiers and operates at frequencies up to 500 MHz. The

device can be used in a wide variety of equipment, including

cellular, satellite, broadband, and instrumentation equipment.

The ADL5534 has a fixed gain of 20 dB, which is stable over

frequency, temperature, power supply, and from device-to-

device. The amplifiers are single-ended and internally matched

to 50 Ω. Only input/output ac-coupling capacitors, power supply

decoupling capacitors, and an external bias inductor are

required for operation of each amplifier.

The ADL5534 is fabricated on a GaAs HBT process. The

device is packaged in a 16-lead 5 mm × 5 mm LFCSP that

uses an exposed paddle for excellent thermal impedance.

The ADL5534 consumes 98 mA of current per amplifier on

a single 5 V supply, and is fully specified for operation from

−40°C to +85°C.

A similar amplifier, ADL5531 (available from Analog Devices,

Inc.) is the 20 dB gain single-channel version. Fully populated

evaluation boards for both the ADL5531 and ADL5534 are

available.