ISL3990 Amplifier Datasheet

ISL3990 Datasheet, PDF, Equivalent


Part Number

ISL3990

Description

Dual Band Power Amplifier

Manufacture

Intersil Corporation

Total Page 1 Pages
Datasheet
Download ISL3990 Datasheet


ISL3990
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®
Data Sheet
March 2003
ISL3990
FN8048.1
Dual Band Power Amplifier
The ISL3990 is a Dual Band monolithic
GaAs Power Amplifier designed to
operate in both the ISM and U-NII
Bands. It features two low voltage single supply stages
which cascaded deliver 21dBm (Typ) output power for ISM,
and three stages which deliver 16 dBm (Typ) for U-NII
OFDM applications.
In addition, the device includes a Dual Band detector which
is accurate over a 15dB dynamic range within (±)1dB, which
can be used to implement an accurate ALC function.
The ISL3990 is housed in a 24 lead QFN package.
Ordering Information
TEMP
PART NUMBER RANGE (oC)
PACKAGE
PKG. NO.
ISL3990IR
-40 to 85 24 Ld. QFN
L24.4x4
ISL3990IR-TK
-40 to 85 Tape and Reel (1000 units)
Simplified Block Diagram
+3.3V
2 GHZ_RF_IN
2GHZ_BIAS
2GHZ_DET_OUT
5GHZ_RF_IN
BIAS
PEAK DETECTOR
5GHZ_BIAS
5GHZ_DET_OUT
BIAS
PEAK DETECTOR
2GHZ_RF_OUT
5GHZ_RF_OUT
Features
• Single Supply . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 3.6V
• Output Power . . . . . . . . . . . . . . . . . . . . . . . . 21dBm (Typ)
• Power Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . 28dB (Typ)
• Detector Linear Input Power Range . . . . . . . . . . . . . . 15dB
• Detector Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1dB
QFN Package
• Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No
Leads - Package Outline
• Near Chip Scale Package footprint, which improves PCB
efficiency and has a thinner profile
Applications
• Systems Targeting IEEE802.11a/b/g WLANs
• Wireless Local Area Networks (WLAN)
• PCMCIA Wireless Transceivers
• ISM Systems Including Automatic Level Control (ALC)
• TDMA Packet Protocol Radios
Pinout
ISL3990 (QFN)
TOP VIEW
18 17 16 15 14 13
5GHZ_DET_OUT 19
+3.3V 20
+3.3V 21
GND 22
5GHZ_RF_IN 23
GND 24
12 GND
11 2GHZ_RF_OUT
10 2GHZ_RF_OUT
9 GND
8 +3.3V
7 +3.3V
1 23 4 5 6
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
PRISM and design is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2003. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


Features www.DataSheet4U.com ® ISL3990 Data Sh eet March 2003 FN8048.1 Dual Band Powe r Amplifier The ISL3990 is a Dual Band monolithic GaAs Power Amplifier designe d to operate in both the ISM and U-NII Bands. It features two low voltage sing le supply stages which cascaded deliver 21dBm (Typ) output power for ISM, and three stages which deliver 16 dBm (Typ) for U-NII OFDM applications. In additi on, the device includes a Dual Band det ector which is accurate over a 15dB dyn amic range within (±)1dB, which can be used to implement an accurate ALC func tion. The ISL3990 is housed in a 24 lea d QFN package. Features • Single Sup ply . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 3.6V • Output Power . . . . . . . . . . . . . . . . . . . . . . . . 21dBm (Typ) • Power Ga in . . . . . . . . . . . . . . . . . . . . . . . . . . . 28dB (Typ) • Detect or Linear Input Power Range . . . . . . . . . . . . . . 15dB • Detector Accu racy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±1dB QFN .
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