20 MHz to 500 MHz
Dual IF Amplifier
Data Sheet
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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
9 NC
12 CLIN1
NC
NC = NO CONNECT
4
10 NC
NC 2
11 NC
NC 3
ADL5534
BIAS
06836-001
NC 1
13 RFOUT1
16 RFIN1
RFOUT2 8
14 NC
NC 6
15 NC
CLIN2 7
RFIN2 5
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.
