20 MHz to 1.0 GHz IF Gain Block

ADL5535

Rev. 0

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FEATURES

Fixed gain of 16 dB

Operation from 20 MHz to 1.0 GHz

Input and output internally matched to 50 Ω

Integrated bias control circuit

OIP3

45.5 dBm at 190 MHz

45.5 dBm at 380 MHz

Noise figure

3.2 dB at 190 MHz

3.3 dB at 380 MHz

P1dB of 18.9 dBm at 190 MHz

Single 5 V power supply

Low quiescent current of 97 mA

MSL-1 rated SOT-89 package

ESD rating of ±2 kV (Class 2)

Pin-compatible with the 20 dB gain ADL5536

FUNCTIONAL BLOCK DIAGRAM

RFIN

GND

RFOUT

1

2

BIAS

3

GND

ADL5535

(2)

Figure 1.

GENERAL DESCRIPTION

The ADL5535 is a 16 dB linear amplifier that operates at

frequencies up to 1 GHz. The device can be used in a wide

variety of cellular, CATV, military, and instrumentation

equipment.

The ADL5535 provides the highest dynamic range available

from an internally matched IF gain block. This is accomplished

by providing extremely low noise figures and very high OIP3

specifications simultaneously across the entire 1 GHz frequency

range. The ADL5535 also provides extremely flat gain and P1dB

over frequency, which are stable over temperature, power supply,

and from device to device.

The device is internally matched to 50 Ω at the input and output,

making the ADL5535 very easy to implement in a wide variety

of applications. Only input/output ac coupling capacitors, power

supply decoupling capacitors, and an external inductor are

required for operation.

The ADL5535 is fabricated on a GaAs HBT process and has an

ESD rating of ±2 kV (Class 2). The device is assembled in an

MSL-1 rated SOT-89 package that uses an exposed paddle for

excellent thermal impedance.

The ADL5535 consumes only 97 mA on a single 5 V supply and

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

The ADL5535 is also pin-compatible with the 20 dB gain

ADL5536. Fully populated evaluation boards are available

for each amplifier.