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DATA SHEET
AS172-73, AS172-73LF: PHEMT GaAs IC Transfer Switch 300 kHz-2 GHz
Features
High linearity (50 dBm IP3 @ 0.9 GHz) @ 3 V Low insertion loss (0.4 dB @ 0.9 GHz) Isolation (20 dB @ 0.9 GHz) Simultaneous T/R switching Available lead (Pb)-free and RoHS-compliant MSL-1 @ 260 C per JEDEC J-STD-020
Pin Out
Positive Operation
External Antenna J2 CBL V2 Tx CBL Rx V1 CBL 3 CBL 10 k VS DC blocking capacitors (CBL) and biasing resistor must be supplied externally for positive voltage operation. CBL = 100 pF for operation >500 MHz. J1 Internal Antenna 4 1 2 6 5
Description
The AS172-73 is a PHEMT GaAs IC 4 port switch designed to combine T/R and antenna changeover switching capability within one device. This switch has two controls and is ideal for applications requiring low power consumption. The AS172-73 has excellent performance to 2 GHz, making it suitable for dual-band handset designs.
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
Electrical Specifications at 25 C (0, 3 V)
Tx-J1 or Rx-J1 Parameter(1) Insertion Loss(2) Frequency 300 kHz-0.5 GHz 300 kHz-1.0 GHz 300 kHz-2.0 GHz 300 kHz-0.5 GHz 300 kHz-1.0 GHz 300 kHz-2.0 GHz 300 kHz-1.0 GHz 300 kHz-2.0 GHz 23 16 11 Min. Typ. 0.30 0.40 0.95 25 18 13 1.1:1 1.4:1 Max. 0.4 0.5 1.2 Unit dB dB dB dB dB dB
Isolation
VSWR(3)
1. All measurements made in a 50 system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/C. 3. Insertion loss state.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200173 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * December 12, 2005
1
DATA SHEET * AS172-73, AS172-73LF
Operating Characteristics at 25 C (0, 3 V)
Parameter Switching characteristics Rise, fall On, off Video feedthru Input Power for 1 dB compression Intermodulation intercept point (IP3) 2nd harmonic 3rd harmonic Thermal resistance Control voltages VLOW = 0 to 0.2 V @ 20 A max. VHIGH = 3 V @ 100 A max. to 5 V @ 200 A max. VS = VHIGH 0.2 V Condition 10/90% or 90/10% RF 50% CTL to 90/10% RF TRISE = 1 ns, BW = 500 MHz VCTL = 0/3 V For two-tone input power 15 dBm VCTL = 0/3 V 30 dBm 30 dBm 0.5-2 GHz 0.5-2 GHz 1 GHz 1 GHz Frequency Min. Typ. 50 100 50 34 50 -72 -65 25 Max. Unit ns ns mV dBm dBm dBc dBc C/W
Typical Performance Data (0, 3 V)
1.2 1.0 45 40 35
Insertion Loss (dB)
Isolation (dB)
0 0.5 1.0 1.5 2.0 2.5
0.8 0.6 0.4 0.2 0
30 25 20 15 10 0 0.5 1.0 1.5 2.0 2.5
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency
Isolation vs. Frequency
1.6 1.5 1.4
VSWR
1.3 1.2 1.1 1.0 0 0.5 1.0 1.5 2.0 2.5
Frequency (GHz)
VSWR vs. Frequency
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
December 12, 2005 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200173 Rev. B
DATA SHEET * AS172-73, AS172-73LF
Absolute Maximum Ratings
Characteristic RF input power Control voltage Operating temperature Storage temperature Value 2 W > 500 MHz 0/7 V control -0.2 V, +8 V -40 C to +85 C -50 C to +150 C
Truth Table
Negative Operation
V1 0 -3 V2 -3 0 Tx-J2, Rx-J1 Insertion loss Isolation Tx-J1, Rx-J2 Isolation Insertion loss
All other conditions not recommended.
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.
Positive Operation
V1 VHIGH 0 V2 0 VHIGH All other conditions
All other conditions not recommended. VHIGH = 3 to 8 V (VS = VHIGH 0.2 V).
Tx-J2, Rx-J1 Insertion loss Isolation
Tx-J1, Rx-J2 Isolation Insertion loss
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.
Not recommended
SOT-6
0.074 (1.90 mm) Ref. Pin 6 0.126 (3.20 mm) 0.087 (2.20 mm) 0.071 (1.80 mm) 0.052 (1.30 mm)
Recommended Solder Reflow Profiles
Refer to the "Recommended Solder Reflow Profile" Application Note.
Pin 1 Indicator Pin 1 0.020 (0.51 mm) 0.014 (0.350 mm)
0.037 (0.95 mm) Ref. 0.012 (0.30 mm) Typ. 0.014 (0.26 mm) 0.004 (0.10 mm)
Tape and Reel Information
Refer to the "Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation" Application Note.
0.006 (0.15 mm) 0.000 (0.00 mm)
0.057 (1.45 mm) 0.035 (0.90 mm)
5.0 1
5.0 1 0.122 (3.10 mm) 0.106 (2.70 mm) 0.022 (0.61 mm) 0.004 (0.10 mm)
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200173 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * December 12, 2005
3
DATA SHEET * AS172-73, AS172-73LF
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
December 12, 2005 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200173 Rev. B

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