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DATA SHEET
AS221-306, AS221-306LF: PHEMT GaAs IC High-Power SP4T Switch 0.1-2.5 GHz
Features
Four symmetric RF paths Positive voltage control @ 2.6 V High IP3 Excellent harmonic performance Handles GSM power Levels Available in QFN-16 (4 x 4 mm) package Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 C per JEDEC J-STD-020
Pin Out
ANT CBL GND GND V4
V1 J1 J2 CBL GND CBL GND GND
CBL
J4
CBL
J3
Description
V2 GND V3
The AS221-306 is a reflective SP4T switch. It is an ideal switch for higher power applications. It can be used for GSM dual-band handset applications where low loss, low current, and small size are critical parameters.
DC blocking capacitors (CBL) must be supplied externally. CBL = 47 pF for operating frequency >500 MHz.
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
Electrical Specifications at 25 C (0, 2.6 V)
ZO = 50 , unless otherwise noted
Parameter Insertion loss Condition Ant-J1, J2, J3, J4 Frequency 0.1-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 0.1-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 0.1-1.0 GHz 1.0-2.5 GHz 30 25 19 18 Min. Typ. 0.6 0.7 0.9 1.1 34 29 23 22 1.2:1 1.3:1 Max. 0.7 0.8 1.1 1.2 Unit dB dB dB dB dB dB dB dB
Isolation
Ant-J1, J2, J3, J4
VSWR
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200251 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * August 30, 2006
GND
1
DATA SHEET * AS221-306, AS221-306LF
Operating Characteristics at 25 C (0, 2.6 V)
ZO = 50 , unless otherwise noted
Parameter Switching characteristics Rise, fall On, off Video feedthru IP3 2nd and 3rd harmonics Thermal resistance Control voltages VLOW = 0 VHIGH = 2.6 V @ 200 A Condition 10/90% or 90/10% RF 50% CTL to 90/10% RF TRISE = 1 ns, BW = 500 MHz 13 dBm/tone 34 dBm input 900 MHz Frequency Min. Typ. 50 100 50 55 -65 25 Max. Unit ns ns mV dBm dBc C/W
Typical Performance Data
ZO = 50 , unless otherwise noted
0 -0.2 -0.4 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0
Insertion Loss (dB)
-0.8 -1.0 -1.2 -1.4 -1.6 -1.8 -2.0
Frequency (GHz)
Isolation (dB)
-0.6
Frequency (GHz)
Typical Insertion Loss vs. Frequency
Typical Isolation vs. Frequency
2.0
-100 -90
Harmonics (dBc)
1.5
-80 -70 -60 -50 2nd Harm
VSWR
1.0
3rd Harm
0.5
0 0 0.5 1.0 1.5 2.0 2.5 3.0
-40 2.6 3.0 3.4 3.8 4.2 4.6 5.0
Frequency (GHz)
Control Voltages (V)
Typical VSWR vs. Frequency
Typical Harmonics vs. Control Voltages
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
August 30, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200251 Rev. C
DATA SHEET * AS221-306, AS221-306LF
Absolute Maximum Ratings
Characteristic RF input power Control voltage Operating temperature Storage temperature Value 4 W > 0.5 GHz 0/6 V control 6V -40 C to +85 C -65 C to +150 C
Truth Table
V1 V2 V3 V4 VLOW VLOW Ant-J1 Ins. Loss Isolation Isolation Isolation Ant-J2 Isolation Ins. loss Isolation Isolation Ant-J3 Isolation Isolation Ins. loss Isolation Ant-J4 Isolation Isolation Isolation Ins. loss VHIGH VLow VLOW VLOW VHIGH VLOW
VLOW VLOW VHIGH VLOW VLOW VLOW VLOW VHIGH
Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty.
All other conditions not recommended. VLOW = 0. VHIGH = 2.6 V.
CAUTION: Although this device is designed to be as robust as possible, ESD (Electrostatic Discharge) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions must be employed at all times.
QFN-16 (4 x 4 mm)
0.157 (4.00 mm) Pin 1 Indicator 0.157 (4.00 mm) 0.008 (0.20 mm) Seating Plane 0.0008 (0.02 mm) +0.001 (0.03 mm) -0.0008 (0.02 mm) 0.035 (0.90 mm) 0.004 (0.10 mm)
0.085 (2.15 mm) + 0.004 (0.10 mm) - 0.006 (0.15 mm) Exposed Pad 0.077 (1.950 mm)
Recommended Solder Reflow Profiles
Refer to the "Recommended Solder Reflow Profile" Application Note.
0.042 (1.075 mm)
0.085 (2.15 mm) + 0.004 (0.10 mm) - 0.006 (0.15 mm)
Tape and Reel Information
Refer to the "Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation" Application Note.
0.077 (1.950 mm)
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200251 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * August 30, 2006
3
DATA SHEET * AS221-306, AS221-306LF
Copyright (c) 2002, 2003, 2004, 2005, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. Skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from any future changes. No license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. Skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of Skyworks products, information or materials, except as may be provided in Skyworks Terms and Conditions of Sale. THE MATERIALS, PRODUCTS AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING FITNESS FOR A PARTICULAR PURPOSE OR USE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY INTELLECTUAL PROPERTY RIGHT; ALL SUCH WARRANTIES ARE HEREBY EXPRESSLY DISCLAIMED. SKYWORKS DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO ANY SPECIAL, INDIRECT, INCIDENTAL, STATUTORY, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THE MATERIALS OR INFORMATION, WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications, or other equipment in which the failure of the Skyworks products could lead to personal injury, death, physical or environmental damage. Skyworks customers using or selling Skyworks products for use in such applications do so at their own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale. Customers are responsible for their products and applications using Skyworks products, which may deviate from published specifications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. Customers should include design and operating safeguards to minimize these and other risks. Skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of Skyworks products outside of stated published specifications or parameters. Skyworks, the Skyworks symbol, and "Breakthrough Simplicity" are trademarks or registered trademarks of Skyworks Solutions, Inc., in the United States and other countries. Third-party brands and names are for identification purposes only, and are the property of their respective owners. Additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
August 30, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200251 Rev. C

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