Advanced Headphone Solution DIOO Microcircuits Ltd Dioo Headphone

Advanced Headphone Solution DIOO Microcircuits Ltd Dioo Headphone Solution 1 ©Dioo Microcircuits Co. , Ltd 2016

Advanced Headphone System Design Concept DCDC Boost Bluetooth with Codec VCC=0 IN=OUT DIO 5158 Audio Switch DIO 1523 DIOO Products USB 2. 0 Data Switch: DIO 3232 A, DIO 3202 A, DIO 3722 IN+ OUT+ Low Ron Audio Switch: IN- OUT- DIO 1523 1 A Linear charger DIO 1500 Depletion MOS Based Hi-Fi Audio Switch: DIO 1500 (Compliant with FSA 550) Class D Audio Amplifier DIO 2140 L R SEL D+ D- Pop Noise Elimination IC DIO 2115 E USB 2. 0 data Switch DIO 3232 A/DIO 3202 A D 2+ D 2 - USB 2. 0 Controller 2 Power On/off Pop-Noise Elimination Audio Driver: DIO 2115 E 2. 8 W Class D Audio Amplifier D 1+ D 1 - DIO 2140 USB 2. 0 Controller 1 1. 5 A Linear Charger IC DIO 5158 5 V/1 A Buck DCDC P 2 P RP 507 K DIO 6507 Dioo Headphone Solution ©Dioo Microcircuits Co. , Ltd 2016

Recommended Parts Dioo Headphone Solution 3 ©Dioo Microcircuits Co. , Ltd 2016

DIO 1500 Depletion MOS Based Hi-Fi Audio Switch (Compliant with FSA 550) n Features n Typical Applications u Support 4 -pole single-throw u Depletion Mode MOSFETs u VCC(OFF): 1. 6 V to 3. 0 V u RON: 0. 8Ω Typical u RON-Flat: 0. 01Ω Typical u Package: • 12 -Ball WLCSP, (with Back side Laminate), 3 x 4 Array, 0. 4 mm Pitch, 250 µm Ball • QFN 3*3 -16 n Applications n Packages u Cell phones u Smart Phones u Tablets u MP 3 u GPS 12 -Ball WLCSP QFN 3*3 -16 Dioo Headphone Solution 4 ©Dioo Microcircuits Co. , Ltd 2016

DIO 5158 1 A Li+ battery linear charger n Features n Applicaionts u One-chip Li+ battery charging solution u In-built power MOSFET, guarantee maximum power output u 1 A max charging current u Small quantity of external components required u Auto sleep mode u Charging status indicators: charging and finished u EP-SOIC-8 Pb-free packages n Charging Curves Dioo Headphone Solution 5 ©Dioo Microcircuits Co. , Ltd 2016

DIO 2115 E Power On/off Pop-Noise Elimination Audio Driver: n Key Features n Application Diagram u Voltage Output at 10 kΩ Load • 2 Vrms With 3. 3 V Supply Voltage u Ultra Low Distortion • SNR>100 d. B u Typical Vn<10µVrms u THD+N<0. 001% at 2 Vrms u No Pop/Clicks Noise when Power ON/OFF u Featuring external under voltage mute u Green available in DQFN-16 package n Applications u Set-Top Boxes u High Definition DVD Players ü DIO 2115 E is capable to drive 32 ohm headphone， ü No pop/click noise u Car Entertainment System u Medical Dioo Headphone Solution 6 ©Dioo Microcircuits Co. , Ltd 2016

DIO 6507 Compatible with RP 507 K RECOMMENDATION High-Efficiency 1. 5 MHz, 1 A Output Synchronous Step Down Converter n Features n Block Diagram u Low RDS(ON) for internal switches (top/bottom) 230 mΩ/170 mΩ, 1. 0 A u 2. 5 -5. 5 V input voltage range u 40μA typical quiescent current u High light load efficiency u High switching frequency 1. 5 MHz minimizes the external components u Internal soft start limits the inrush current u 100% dropout operation u Green package: DFN 1. 6*1. 6 -6 is pin compatible. n Applications u u u Portable Navigation Device Set Top Box USB Dongle Media Player Smart phone Dioo Headphone Solution 7 ©Dioo Microcircuits Co. , Ltd 2016

DIO 3202 A USB 2. 0 High-Speed and Audio Switch n Perfect solution for Multiplexing a Micro USB connector for headphone and USB device in smart phone design. n Perfectly compatible with FSA 221， TS 5 USBA 224 和 FSA 321 n Features u u u u u Low Ron Audio/USB analog switch Low USB Con: 5 p. F n Application Diagram Negative Signal Swing Capable Low Audio Distortion USB Switch -3 d. B Bandwidth: 720 MHz High Crosstalk and Off-isolation Voltage Supply Operation: 2. 7 to 5. 25 V Three Green Packaged: DIO 3202 A: DQFN 10, MSOP 10 DIO 3202 B: DQFN 10 n Applications u Cell-Phone/PDA u MP 3/MP 4/PMP u Portable Instrumentation Dioo Headphone Solution 8 ©Dioo Microcircuits Co. , Ltd 2016

DIO 3202 A Eye Pattern USB 2. 0 Hi-Speed Eye Pattern Ron (Audio) Cross Talk Dioo Headphone Solution 9 ©Dioo Microcircuits Co. , Ltd 2016

DIO 3232 A Low-Power, USB 2. 0 High-Speed Switch Compatible with FSUSB 30 n Features u u u Over-Voltage Tolerance (OVT) VCC operation at 2. 7 V to 4. 3 V Low Con: 6. 5 p. F Typical Low Ron: 6Ω Typical Low Power Consumption: 1μA Maximum -3 d. B Bandwidth: > 720 MHz Packaged in Green MSOP-10 and DQFN-10 8 k. V HBM ESD Rating Power-Off/On Protection on Common port. D+/D- Pins Tolerate up to 5. 25 V Packages: MSOP-10, DQFN-10 n Application Diagram n Applications u Cell Phones u PDAs and MP 3 s u Portable Instrumentation u Battery Powered Communications u Computer Peripherals Dioo Headphone Solution 10 ©Dioo Microcircuits Co. , Ltd 2016

Hi-Speed USB Switch Comparison DIOO S Company DIO 3232 A SXXXX 4. 3 V ESD (HBM) HBM: 8 k. V All Pin CDM: 2 k. V HBM: 4 k. V (CDM not Specified） (Corss-Talk) -45 d. B @240 MHz -41 d. B @250 MHz On Capitance 6. 5 pf Over Voltage Protection (Common Pin) Yes Not Specified Power Off Protection Yes MSOP DQFN (1. 4 x 1. 8 mm) WQFN (1. 4 x 1. 8 mm) Supply Voltage (Vcc) Package QFN (1. 5*2. 0 mm) Price （USD） Dioo Headphone Solution 11 ©Dioo Microcircuits Co. , Ltd 2016

DIO 1523 Low Ron Audio Switch n Features u u u n Block Diagram Switch Type: SPDT(2 X) Voltage Operation: 1. 8 V to 4. 2 V Ultra-Low On Resistance: 0. 75Ω @ +4. 2 V -3 d. B Bandwidth: 40 MHz High Off-isolation: -78 d. B@100 k. Hz Low Crosstalk: -103 d. B@100 k. Hz Excellent On Resistance Matching: 0. 04Ω Low Total Harmonic Distortion (THD) Rail-to-Rail Input and Output Operation Break-Before-Make Switching Green Packaged: 10 -DQFN 8 k. V HBM ESD n Truth Table n Applications u u u Cell-Phone/PDA IN 1, IN 2 NO NC Portable Instrumentation L OFF ON Battery Powered Communications H ON OFF MP 3/MP 4/PMP Computer Peripherals Dioo Headphone Solution 12 ©Dioo Microcircuits Co. , Ltd 2016

DIO 2140 2. 8 W Audio Power Amplifier n Features u u u u n Application Diagram Maximum Output: 2. 8 W (VDD=5. 0 V, RL=4Ω, THD+N=10%) Distortion Rate (THD): 0. 05% (VDD=5. 0 V, PO=1 W) High Efficiency up to 90% at 400 m. W Filter-Free Class D architecture Needs only three External Components Low Shutdown and Quiescent Current 2. 8 m. A Quiescent Current 50 n. A Shutdown Current Short Circuit Protection Function Thermal Shutdown Function Under Voltage Lockout Function Low Shutdown and Quiescent Current Green Package: FCQFN 1. 5*1. 5 -9, DFN 3. 0*3. 0 -8 and MSOP-8 n Applications u • Wireless or Cellular Handsets and PDAs u • Personal Navigation Devices u • General Portable Audio Devices u • Linear Vibrator Drivers Dioo Headphone Solution 13 ©Dioo Microcircuits Co. , Ltd 2016

Dioo Headphone Solution 14 ©Dioo Microcircuits Co. , Ltd 2016