DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Description Features The AAT5101 is a high efficiency, 2.5W mono class D audio power amplifier. The low noise, filterless PWM architecture eliminates the output filter, reduces the external component count and system cost, and simplifies system design. With high efficiency of up to 92% and the industry lowest 1.35mA quiescent current, it increases battery lifetime and dramatically lowers the junction temperature. The space saving wafer-level chip scale package (WLCSP) and minimum external component requirements make it ideal for cellular phones and PDAs. • Maximum Battery Life and Minimum Heat ▪ 1.35mA Quiescent Current ▪ 0.06μA Shutdown Current ▪ Up to 92% Efficiency • Large Output Power Capabilities ▪ 1.35W with 8Ω Load and THD+N < 1% ▪ 2.5W with 4Ω Load and THD+N < 10% • Pop and Click Noise Suppression Circuitry • Thermal and Output Short Circuit Protection with Selfrecovery • High Performance, THD+N of 0.12% at 5V, 8Ω Load and POUT = 1.0W • Filter-less Capability • Internally Generated 250 kHz Switching Frequency • Excellent PSRR and Wide Supply Voltage Range (2.1V to 5.5V) • Fully Differential Design • External Gain Configuration Capability • 9-Pin Wafer-Level Chip Scale Packaging (WLCSP) With high PSRR, low THD+N, and 91dB SNR, the AAT5101 guarantees clean sound across the wide audio output power range and the full audio frequency domain. Short circuit and thermal protection with self-recovery prevents the device from being damaged during over current conditions. In cellular phones, the earpiece, speaker phone and melody ringer can each be driven by the AAT5101. Also, proprietary technology successfully suppresses pop and click noise. Applications • • • • • Cellular Phones MP4s Notebook Computers PDAs Portable DVD Players Typical Application To Battery CS VDD + RI IN - VO + - Differential input PWM H-Bridge + - RI RL VO - IN + Shutdown Control SHUTDOWN GND Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 1 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Pin Description Pin # Symbol Type A1 A2 A3 B1 B2 B3 C1 IN+ GND VOVDD PVDD GND IN- I I O I I I I C2 SHUTDOWN C3 VO+ O Description Positive differential input. Analog ground. Negative BTL output. Analog power supply. Power supply for internal H-bridge stage. Analog ground. Negative differential input. The device enters shutdown mode when a low level is applied on this pin. An internal 300kΩ will force the device into shutdown mode if no signal is applied to this pin. It also helps to save space and cost. Positive BTL output Pin Configuration . 2 WLCSP-9 (Top View) IN+ GND VO- A1 A2 A3 VDD PVDD GND B1 B2 B3 IN- SHUTDOWN VO+ C1 C2 C3 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Absolute Maximum Ratings Symbol Description Max Active Mode Shutdown Mode VDD Supply Voltage IOUT TA TJ Maximum Output Current Operating Ambient Temperature Maximum Junction Temperature Latchup Current @ TA = 85°C 5.5 6.0 1.5 -40 to +85 165 > 200 Units V A °C mA Recommended Operating Conditions Symbol Description Min Max Units PVDD, VDD TA Supply Voltage Operating Temperature 2.1 -40 5.5 85 V °C Thermal Characteristics Symbol ΘJA PD Description Maximum Thermal Resistance Maximum Power Dissipation1,2 1 Value Units 120 833 °C/W mW 1. Mounted on a FR4 board. 2. Derate 6.25mW/°C above 25°C. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 3 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Electrical Characteristics TA = 25°C unless otherwise noted. Symbol VDD IQ ISD VSDIH VSDIL FSW G Characteristic Conditions Operating Supply Voltage TA = -40°C to +85°C VDD = 5.5V, No Load VDD = 3.6V, No Load VDD = 2.1V, No Load VDD = 2.1V to 5.5V VDD = 3.6V, TA = -40°C to 85°C VDD = 3.6V, TA = -40°C to 85°C VDD = 2.1V to 5.5V RL = 4Ω RL = 8Ω VDD = 5.5V VDD = 3.6V VDD = 2.1V Supply Quiescent Current Shutdown Current Shutdown Voltage High Shutdown Voltage Low Switching Frequency Amplifier Gain RDS Static Drain-Source On-State Resistance RS TON TOFF Resistance from Shutdown to GND Turn On Time Turn Off Time Min Typ Max Units 5.5 3.2 V 2.1 1.72 1.35 0.87 0.06 mA 2.5 1 μA 1.4 200 280kΩ/RI 300kΩ/RI VDD = 2.1V to 5.5V VDD = 2.1V to 5.5V 250 300kΩ/RI 320kΩ/RI 300 350 500 300 8 8 0.6 300 320kΩ/RI 340kΩ/RI V kHz V/V mΩ KΩ ms Operating Characteristics TA = 25°C, Gain = 2V/V, RI = 150kΩ unless otherwise noted. Symbol Characteristic Conditions Min THD+N = 10%, f = 1kHz, RL = 4Ω THD+N = 1%, f = 1kHz, RL = 4Ω POUT Output Power THD+N = 10%, f = 1kHz, RL = 8Ω THD+N = 1%, f = 1kHz, RL = 8Ω RL = 8Ω, f = 1kHz Efficiency RL = 4Ω,f = 1kHz THD+N SNR CMRR PSRR ZI 4 Total Harmonic Distortion + Noise RL = 8Ω, f = 1kHz RL = 8Ω, f = 1kHz RL = 8Ω, f = 1kHz VDD = 5.0V, POUT = 1.0W, RL = 8Ω Signal-to Noise Ratio Common Mode Rejection Ratio Power Supply Ripple Rejection VDD = 3.6V, Inputs AC-ground with CI = 2.2μF Input Impedance RL = 4Ω VDD = 3.6V, VIC = 1Vpp VDD VDD VDD VDD VDD VDD VDD = = = = = = = VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 5.0V VDD = 3.6V VDD = 2.5V 5.0V, POUT = 3.6V, POUT = 5.0V, POUT = 3.6V, POUT = 5.0V, POUT = 3.6V, POUT = 2.5V, POUT = Typ Max 2.80 1.41 0.62 2.35 1.14 0.46 1.66 0.84 0.37 1.35 0.68 0.29 92 91 87 85 0.12 0.21 0.26 91 1.2W 0.6W 2.0W 1.0W 1.0W 0.5W 0.2W f = 217Hz -63 VRIPPLE = 200mVpp, f = 217Hz -60 142 150 W % dB 158 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 Units kΩ DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Typical Characteristics1, 2 + CI RI IN+ + VO+ Load Measurement Output 30kHz Low Pass Filter AAT5101 - CI RI IN- VO- VDD Measurement Input - GND 4.7μF + Power Supply - Test Set-up for Typical Characteristics Graphs. 1. A 33μH inductor was placed in series with load resistor to emulate a small speaker for efficiency measurement. 2. The 30kHz low-pass filter is required even if the analyzer has an internal low-pass filter. An RC low pass filter (100Ω, 47nF) is used on each output for the data sheet graphs. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 5 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Typical Characteristics Efficiency vs. Output Power Efficiency vs. Output Power (f = 1kHz; RL = 4Ω + 33μH) 100 90 90 80 80 70 Efficiency (%) Efficiency (%) (f = 1kHz; RL = 8Ω Ω + 33μH) 70 60 50 40 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V 30 20 10 60 50 40 30 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V 20 10 0 0 0 0.3 0.6 0.9 1.2 1.5 0 0.5 Output Power (W) Supply Current vs. Output Power 1.5 2.0 (f = 1kHz; RL = 4Ω Ω + 33μH) 600 350 Supply Current (mA) 300 250 200 150 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V 100 50 0 0 500 400 300 200 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V 100 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 Output Power (W) 0 0.5 1.0 1.5 2.0 Output Power (W) Quiescent Current vs. Supply Voltage Quiescent Current (mA) 2.5 2 1.5 1 85°C 25°C -40°C 0.5 0 2.0 2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0 5.3 5.6 Supply Voltage (V) 6 2.5 Supply Current vs. Output Power (f = 1kHz; RL = 8Ω Ω + 33μH) Supply Current (mA) 1.0 Output Power (W) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 2.5 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Typical Characteristics THD+N vs. Output Power THD+N vs. Output Power (f = 1kHz; RL = 8Ω) (f = 1kHz; RL = 4Ω) 10 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V THD+N (%) THD+N (%) 10 1 0.1 0.01 0.1 1 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V 1 0.1 0.01 10 0.1 Output Power (W) THD+N vs. Frequency (CI = 2.2μF; RL = 4Ω) 10 10 VDD = 5V, POUT = 1W VDD = 3.6V, POUT = 500mW VDD = 2.5V, POUT = 200mW VDD = 2.1V, POUT = 150mW 1 THD+N (%) THD+N (%) 10 THD+N vs. Frequency (CI = 2.2μF; RL = 8Ω) 0.1 0.01 10 100 1000 10000 VDD = 5.0V, POUT = 1.5W VDD = 3.6V, POUT = 800mW VDD = 2.5V, POUT = 300mW VDD = 2.1V, POUT = 200mW 1 0.1 0.01 10 100000 100 Frequency (Hz) 10000 100000 Output Power vs. Supply Voltage (f = 1kHz; RL = 8Ω) (f = 1kHz; RL = 4Ω) 3.0 1.5 2.5 Output Power (W) 1.8 1.2 0.9 0.6 THD+N = 1% THD+N = 10% 0.3 1000 Frequency (Hz) Output Power vs. Supply Voltage Output Power (W) 1 Output Power (W) 2.0 1.5 1.0 0.5 THD+N = 1% THD+N = 10% 0.0 0.0 2.0 2.5 3.0 3.5 4.0 Supply Voltage (V) 4.5 5.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Supply Voltage (V) Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 7 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Typical Characteristics PSRR vs. Frequency (VRIPPLE = 200mVpp; CI = 2.2μF; RL = 4Ω; Inputs AC-grounded) -40 -40 -45 -45 -50 -50 -55 -60 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V -65 -70 10 100 1000 10000 PSRR (dB) PSRR (dB) PSRR vs. Frequency (VRIPPLE = 200mVpp; CI = 2.2μF; RL = 8Ω; Inputs AC-grounded) -55 -60 VDD = 5.0V VDD = 3.6V VDD = 2.5V VDD = 2.1V -65 -70 10 100000 100 1000 Frequency (Hz) 10000 100000 Frequency (Hz) CMRR vs. Frequency Shutdown Voltage (High) vs. Supply Voltage (VDD = 3.6V; VIC = 200mVpp; RL = 8Ω) Shutdown Voltage (High) (V) -40 CMRR (dB) -45 -50 -55 -60 -65 -70 10 100 1000 10000 100000 Frequency (Hz) 1.6 1.4 1.2 1 0.8 0.6 0.4 85°C 25°C -40°C 0.2 0 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 Supply Voltage (V) Shutdown Voltage (Low) (V) Shutdown Voltage (Low) vs. Supply Voltage 1.6 1.4 1.2 1 0.8 0.6 0.4 85°C 25°C -40°C 0.2 0 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0 Supply Voltage (V) 8 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 5.4 5.7 6.0 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Application Information Input Resistor (RI) Selection The input resistors (RI) set the gain of the amplifier according to the following equation: Gain = 300KΩ (RL = 4Ω) Gain = 320KΩ (RL = 8Ω) For input resistors (RI), resistor matching is a very important criteria. The balance of the output around the reference voltage depends on a matched ratio of the resistors. CMRR and PSRR diminish if resistor mismatch occurs. Therefore, it is recommended to use 1% tolerance resistors or better to keep the performance optimized. Decoupling Capacitor (CS) Selection The AAT5101 is a high-performance class-D audio amplifier that requires adequate power supply decoupling to ensure high efficiency and low total harmonic distortion (THD). For decoupling capacitor (CS), a good low equivalent series resistance (ESR) 4.7μF ceramic capacitor is preferred. Input Capacitor (CI) Selection The input capacitors and input resistors form a high-pass filter with the corner frequency, FC, determined by the following equation. The value of the input capacitor is an important consideration as it directly affects the bass (low frequency) performance of the circuit. Speakers in wireless phones cannot usually respond well to low frequencies, so a high pass filter will be useful in this application. FC = 1 2 · π · RI · CI Optional Output Filter The AAT5101 can be designed without an output filter if the traces from the amplifier to the speaker are short. However, to lower radiated emissions as much as possible when used in filter-free mode, a ferrite bead filter can be used. If choosing a ferrite bead, choose one with high impedance at high frequencies, but very low impedance at low frequencies. The MPZ1608S221A1 from TDK is a good choice. VO + Ferrite Bead Ferrite Bead VO Figure 1: Optional EMI Ferrite Bead Filter. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 9 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier To Battery CS VDD RI + IN - VO + - Differential input H-Bridge PWM + RI - RL VO - IN + Shutdown Control GND SHUTDOWN Figure 2: AAT5101 Application Schematic with DC-Coupled Fully Differential Input Configuration. To Battery CS VDD CI RI IN VO+ - Differential input CI PWM H-Bridge + RI RL VO - IN + Shutdown Control SHUTDOWN GND Figure 3: AAT5101 Application Schematic with AC-Coupled Fully Differential Input Configuration. 10 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier To Battery CS VDD CI RI IN - VO + Single -ended input H- Bridge PWM CI + RI RL VO - IN + Shutdown Control GND SHUTDOWN Figure 4: AAT5101 Application Schematic with Single-Ended Input Configuration. To Battery CS + Differential input 1 - RI1 RI1 RI2 VDD IN - VO+ + - Differential input 2 PWM H-Bridge + - RI2 RL VO- IN + Shutdown Control SHUTDOWN GND Figure 5: AAT5101 Application Schematic with AAT5101 Summing Two Differential Inputs. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 11 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier To Battery CS RI1 Differential input 1 RI1 CI2 RI2 VDD IN - VO+ Single-ended input 2 H-Bridge PWM + CI2 RI2 RL VO- IN + Shutdown Control GND SHUTDOWN Figure 6: AAT5101 Application Schematic with AAT5101 Summing Differential Input and Single-Ended Input Signals. To Battery CS CI1 RI1 VDD Single-ended Input 1 CI2 RI2 IN VO+ Single-ended Input 2 PWM H- Bridge RL + CP RP VO- IN + Shutdown Control SHUTDOWN GND Figure 7: AAT5101 Application Schematic with AAT5101 Summing Two Single-Ended Inputs. 12 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier PCB Guidance 3. The suggested PCB layout for the AAT5101 is shown in Figure 9. All components are placed as close as possible to the AAT5101's leads to achieve better performance. 4. The following guidelines should be used to help ensure a proper layout. WLCSP Package Light Sensitivity 1. 2. The input routes should be similar and the distance between the two routes should be small. The output traces should be short, wide, and not pass beneath the IC in the other layers. The electrical performance of the WLCSP package can be adversely affected by exposing the device to certain light sources, such as direct sunlight or a halogen lamp whose wavelengths are red and infra-reds. However, fluorescent lighting has very little effect on the electrical performance of the WLCSP package. The decoupling capacitor (C4) should connect to the VDD pin and PVDD pin as closely as possible. The input resistor (R1, R2) should be placed very close to the AAT5101. Evaluation Board Information VDD C3 C4 4.7μF GND U1 GND PVDD VDD IN+ VO - GND In+ GND C1 0.1μF R1 150kΩ C2 0.1μF R2 150kΩ 1 2 InAudio In J4 VO+ IN- OutOut+ Audio Out SD AAT5101 J1 VDD 1 2 3 Shutdown Figure 8: AAT5101 Evaluation Board Schematic. Component Selection Item 1 2 3 4 Part Description SMD Resistor 150KΩ Ceramic Capacitor 0.1μF, 50V, X7R Ceramic Capacitor 4.7μF, 6.3V, X5R Not populated Ref PCB Footprint Manufacturer Part Number R1, R2 C1, C2 C4 C3 0603 0603 0603 Vishay-Draloric TDK TDK CRCW0603 C1608X7R1H104KT C1608X5R0J475MT Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 13 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier (a) Top Layer (b) Ground Plane (c) Power Plane (d) Bottom Layer Figure 9: AAT5101 Evaluation Board PCB Layout. 14 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 DATA SHEET AAT5101 2.5W Mono Filter-Free Class D Audio Power Amplifier Ordering Information Package Part Marking1 Part Number (Tape and Reel)2 WLCSP-9 7HYW AAT5101IUR-T1 Skyworks Green™ products are compliant with all applicable legislation and are halogen-free. For additional information, refer to Skyworks Definition of Green™, document number SQ04-0074. Packaging Information WLCSP-9 0.500 BSC 1.000 Top View Bottom View 0.650 ± 0.060 0.320 ± 0.020 1.000 1.420 ± 0.025 1.420 ± 0.025 0.235 ± 0.020 0.415 ± 0.040 1.420 ± 0.025 Side View All dimensions in millimeters. 1. YW = date code. 2. Sample stock is generally held on part numbers listed in BOLD. Copyright © 2012 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. 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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 • [email protected] • www.skyworksinc.com 201876B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012 15