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DATA SHEET
AF002C1-39, AF002C1-39LF, AF002C4-39, AF002C4-39LF: GaAs IC Control FET Series 300 kHz-2.5 GHz
Features
Low-cost SOT-23 package Series or shunt configuration Low DC current drain Ideal switch building blocks Pin diode replacements High-power antenna switches Available lead (Pb)-free and RoHS-compliant MSL-1 @ 250 C per JEDEC J-STD-020

Pin Out
Drain (D) 2 Source (S) 1
3 Gate (G)
Description
This group of GaAs control FETs can be used in both series and shunt configurations. They incorporate on-chip circuitry that eliminates the need for extra bias components and minimizes power drain to typically 25 W. These features make the devices ideal replacements for PIN diodes, where low DC drain is critical. Isolation performance degrades at higher frequencies due to package parasitics. They can be tuned out in narrow band applications as shown in the circuit examples on the following pages.
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
Electrical Specifications at 25 C (0, -5 V)
Part Number(1) AF002C1-39 Frequency (GHz) 300 kHz-0.5 GHz 300 kHz-1.0 GHz 300 kHz-2.5 GHz AF002C4-39 300 kHz-0.5 GHz 300 kHz-1.0 GHz 300 kHz-2.5 GHz 6.4 6.4 6.4 0.8 0.8 0.8 RON ()(2) Typ. Max. 9 9 9 1.1 1.1 1.1 Insertion Loss (dB)(3, 4) Series 0.5 0.6 0.7 0.2 0.25 0.3 Shunt 0.1 0.15 0.2 0.15 0.25 2 COFF (pF)(5) Typ. 0.13 0.13 0.13 1.1 1.1 1.1 Max. 0.25 0.25 0.25 1.5 1.5 1.5 Isolation (dB)(4) Series 25 17 13 11 6 3 Shunt 12 8 3 15 9 4 P-1 dB (W) Typ. 0.5 1 1 6 7 7
1. All measurements made in a 50 system, unless otherwise specified. 2. RON - resistance in in low impedance state when "0" V is applied to gate (G). 3. Insertion loss changes by 0.003 dB/C. 4. Insertion loss and isolation typical values. 5. COFF - capacitance (pF) in high impedance state when -5 V is applied to gate (G).
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200166 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * June 8, 2006
1
DATA SHEET * AF002C1-39, AF002C4-39
Operating Characteristics at 25 C (0, -5 V)
Parameter Switching characteristics Rise, fall On, off Thermal resistance Control voltages VLOW = 0 to -0.2 V @ 20 A max. VHIGH = -5 V @ 50 A to -9 V @ 200 A max. Condition 10/90% or 90/10% RF 50% CTL to 90/10% RF Frequency Min. Typ. 6 12 25 Max. Unit ns ns C/W
Typical Performance Data (0, -5 V)
0.8 0.7 50 45 40 35
Insertion Loss (dB)
0.6 0.5 0.4 0.3 0.2 0.1 0 0 0.5 1 1.5
Isolation (dB)
C1
30 25 20 15 10 5 0 C4 C1
C4
2
2.5
3
0
0.5
1
1.5
2
2.5
3
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency Series Configuration
Isolation vs. Frequency Series Configuration
0.8 0.7
30 25
Insertion Loss (dB)
0.6 0.5 0.4 0.3 0.2 0.1 C1 0 0 0.5 1 1.5 2 2.5 3 5 0 0 0.5 1 1.5 2 2.5 3 C4
Isolation (dB)
20 C4 15 10 C1
Frequency (GHz)
Frequency (GHz)
Insertion Loss vs. Frequency Shunt Configuration
Isolation vs. Frequency Shunt Configuration
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
June 8, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200166 Rev. C
DATA SHEET * AF002C1-39, AF002C4-39
Absolute Maximum Ratings
AF002C1-39
Characteristic RF input power Control voltage Operating temperature Storage temperature Value 2 W > 500 MHz 0/-8 V 0.5 W @ 50 MHz 0/-8 V +0.2 V, -10 V -40 C to +85 C -65 C to +150 C
AF002C4-39
Characteristic RF input power Control voltage Operating temperature Storage temperature Value 8 W > 450 MHz, 0/-12 V +0.2, -12 V -40 C to +85 C -65 C to +150 C
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.
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.
T/R and Antenna Changeover Switch for Mobile Cellular Systems
Mobile Antenna Phone Antenna
Diplexer
LNAPA
Changeover Switch T/R Switch From Transmitter To Receiver
Disconnect
T/R Switch
System Block Diagram
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200166 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * June 8, 2006
3
DATA SHEET * AF002C1-39, AF002C4-39
T/R Switch Schematic
Antenna LT (nH) D Tx GaAs FET AF002C Series G G VCTL S D GaAs FET AF002C Series 10 k C (pF) S /4 Rx
Changeover Switch Schematic
Antenna
CT
D
S
G VCTL To T/R Switch
Truth Table for T/R Switch
VCTL (V) 0 -5 Tx to Antenna Low loss High isolation Rx to Antenna High isolation Low loss
Truth Table for Changeover Switch
VCTL (V) -5 0
See next page for positive voltage operation.
Antenna Connected Isolated
See next page for positive voltage operation.
Component Values for T/R Switch Circuit
Part Number AF002C1-39 AF002C4-39 AF002C1-39 AF002C4-39 LT (nH) 165 85 44 22 CT (pF) 18.8 18.8 4.7 4.7 Freq. (GHz) 0.45 0.45 0.9 0.9
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
June 8, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200166 Rev. C
DATA SHEET * AF002C1-39, AF002C4-39
Truth Table
Negative Voltage Operation
S Shunt GND Series RF RF 0 -5 Insertion loss Isolation RF -5 0 Insertion loss Isolation D G RF Path
Positive Voltage Operation
VS RF RF 10 k
CT D 2 1 S
3
Positive Voltage Operation
S Shunt GND Series RF RF 0 VHIGH Isolation Insertion loss
RF
D
G 0 VHIGH
RF Path Insertion loss Isolation
10 k
G (0, VHIGH)
Shunt Configuration
VS
RF
LT
CBL D 2 1 S RF
CBL
VHIGH = +5 to +9 V (VS = VHIGH 0.2 V).
SOT-23
0.120 (3.05 mm) 0.110 (2.79 mm) 3 0.018 (0.45 mm) 0.015 (0.38 mm) 3
0.055 (1.40 mm) 0.047 (1.19 mm) 0.024 (0.61 mm) 0.018 (0.45 mm) 0.080 (2.03 mm) 0.070 (1.78 mm) 0.007 (0.18 mm) 0.003 (0.08 mm) 1 2
0.104 (2.64 mm) 0.083 (2.10 mm)
G (0, Vhigh) CBL - Chose value for lowest impedance at desired operating frequency.
Series Configuration
0.040 (1.02 mm) 0.037 (0.94 mm)
Recommended Solder Reflow Profiles
Refer to the "Recommended Solder Reflow Profile" Application Note.
0.045 (1.14 mm) 0.035 (0.89 mm)
0.027 (0.69 mm) Ref.
0.004 (0.10 mm) 0.0005 (0.01 mm)
Tape and Reel Information
Refer to the "Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation" Application Note.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200166 Rev. C * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * June 8, 2006
5
DATA SHEET * AF002C1-39, AF002C4-39
Copyright (c) 2002, 2003, 2004, 2005, 2006, 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 6
June 8, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200166 Rev. C

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