30 MHz to 1000 MHz

75 Ω Gain Block

Preliminary Technical Data

ADL5533

Rev. PrC 5/07

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FEATURES

Fixed gain of 20 dB

Operation up to 1000 MHz

+37.3 dBm OIP3 at 70 MHz

Noise Figure 2.9 dB at 70 MHz

Input/output internally matched to 75 Ω

Temperature and power supply stable

Power supply: 5 V

Power supply current: 66 mA

1000 V ESD (Class 1C)

FUNCTIONAL BLOCK DIAGRAM

ADL5533

5CLIN

8NC

NC 4

6NC

RFIN 2

7RFOUT

NC 3

NC 1

Figure 1. Block Diagram

GENERAL DESCRIPTION

The ADL5533 is a fixed-gain, linear amplifier that operates at

frequencies up to 1000 MHz. Intended for use in a wide variety

of applications, including broadband, CATV, cable modem and

FTTH.

The fixed gain of 20 dB is stable over frequency, temperature,

power supply and from device to device. OIP3 is +37.3 dBm

with an output compression point of +18.8 dBm and a noise

figure of 2.9 dB.

The ADL5533 is single-ended and internally matched to 75 Ω

with an input return loss of 10 dB. Only input/output ac-

coupling capacitors, a power supply decoupling capacitor and

external inductor are required for operation.

This amplifier operates with a supply voltage of +5V, consuming

66 mA of supply current.

The ADL5533, fabricated on a GaAs HBT process, and has an

ESD rating of 1000 V (Class 1C).The device is packaged in a 3mm

x 3mm LFCSP that uses an exposed paddle for excellent

thermal impedance and operates from −40°C to +85°C. A fully

populated evaluation board is available.