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ADL5542

20 MHz to 6 GHz RF/IF Gain Block

Analog Devices 

Data Sheet

FEATURES

Fixed gain of 20 dB

Operation up to 6 GHz

Input/output internally matched to 50 Ω

Integrated bias control circuit

Output IP3

46 dBm at 500 MHz

40 dBm at 900 MHz

Output 1 dB compression: 20.6 dB at 900 MHz

Noise figure of 3 dB at 900 MHz

Single 5 V power supply

Small footprint 8-lead LFCSP

Pin compatible with 15 dB gain ADL5541

1 kV ESD (Class 1C)

GENERAL DESCRIPTION

The ADL5542 is a broadband 20 dB linear amplifier that

operates at frequencies up to 6 GHz. The device can be used in

a wide variety of CATV, cellular, and instrumentation equipment.

The ADL5542 provides a gain of 20 dB that is stable over

frequency, temperature, power supply, and from device to

device. The device is internally matched to 50 Ω with an input

return loss of 10 dB or better, up to 6 GHz. Only input/output

ac coupling capacitors, power supply decoupling capacitors, and

an external inductor are required for operation.

20 MHz to 6 GHz

RF/IF Gain Block

ADL5542

FUNCTIONAL BLOCK DIAGRAM

INPUT

RFIN 1 MATCH

OUTPUT

MATCH 8 RFOUT

GND 2

BIAS CONTROL

7 GND

GND 3

CB 4

ADL5542

6 GND

5 VPOS

Figure 1.

The ADL5542 is fabricated on an InGaP HBT process and has

an ESD rating of 1 kV (Class 1C). The device is packaged in a

3 mm × 3 mm LFCSP that uses an exposed paddle for excellent

thermal impedance.

The ADL5542 consumes 93 mA on a single 5 V supply and is

fully specified for operation from −40°C to +85°C.

A fully populated RoHS-compliant evaluation board is

available.

The ADL5541 is a companion part that offers a gain of 15 dB

in a pin-compatible package.

Rev. C

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