700 MHz to 1000 MHz,
1 W RF Driver Amplifier
ADL5605
FUNCTIONAL BLOCK DIAGRAM
FEATURES
Operation from 700 MHz to 1000 MHz
Gain of 23 dB at 943 MHz
OIP3 of 44.2 dBm at 943 MHz
P1dB of 30.9 dBm at 943 MHz
Noise figure of 4.8 dB at 943 MHz
Power supply: 5 V
Power supply current: 307 mA typical
Internal active biasing
12 RFOUT
11 RFOUT
10 RFOUT
RFIN
DISABLE
VCC
1
2
3
4
PWDN
VBIAS
VBIAS
9
RFOUT
ADL5605
Fast power-up/power-down function
Compact 4 mm × 4 mm, 16-lead LFCSP
ESD rating of 1 kV (Class 1C)
Pin-compatible with the ADL5606 (1800 MHz to 2700 MHz)
Figure 1.
APPLICATIONS
Wireless infrastructure
Automated test equipment
ISM/AMR applications
0
–10
–20
GENERAL DESCRIPTION
The ADL5605 is a broadband, two-stage, 1 W RF driver
amplifier that operates over a frequency range of 700 MHz
to 1000 MHz.
–30
–40
–50
–60
–70
–80
–90
The ADL5605 operates on a 5 V supply voltage and a supply
current of 307 mA. The driver also incorporates a fast power-
up/power-down function for TDD applications, applications
that require a power saving mode, and applications that
intermittently transmit data.
946MHz
The ADL5605 is fabricated on a GaAs HBT process and is
packaged in a compact 4 mm × 4 mm, 16-lead LFCSP that
uses an exposed paddle for excellent thermal impedance. The
ADL5605 operates from −40°C to +85°C. A fully populated
evaluation board tuned to 943 MHz is also available.
0
2
4
6
8
10
12
14
16
18
20
22
P
(dBm)
OUT
Figure 2. ACPR vs. Output Power, 3GPP, TM1-64, at 946 MHz
Rev. 0
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