Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 Advanced Headphone Solution DIOO Microcircuits Ltd 1
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 Advanced Headphone System Design Concept DIOO Products USB 2.0 Data Switch: DIO3232A, DIO3202A, DIO3722 Low Ron Audio Switch: DIO1523 Depletion MOS Based Hi-Fi Audio Switch: DIO1500 (Compliant with FSA550) Power On/off Pop-Noise Elimination Audio Driver: DIO2115E 2.8W Class D Audio Amplifier DIO A Linear Charger IC DIO5158 5V/1A Buck DCDC P2P RP507K DIO6507 DCDC Boost DIO1500 Class D Audio Amplifier DIO2140 Pop Noise Elimination IC DIO2115E LRLR Bluetooth with Codec Audio Switch DIO1523 USB 2.0 data Switch DIO3232A/DIO3202A USB 2.0 Controller 1 USB 2.0 Controller 2 D1+ D1- D2+ D2- D+ D- SEL VCC=0 IN=OUT IN+ IN- OUT+ OUT- DIO5158 1A Linear charger
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 Recommended Parts 3
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO1500 Depletion MOS Based Hi-Fi Audio Switch Features Support 4-pole single-throw Depletion Mode MOSFETs V CC(OFF) : 1.6V to 3.0V R ON : 0.8Ω Typical R ON-Flat : 0.01Ω Typical Package: 12-Ball WLCSP, (with Back side Laminate), 3x4 Array, 0.4mm Pitch, 250 µm Ball QFN3*3-16 Typical Applications Applications Cell phones Smart Phones Tablets MP3 GPS 4 Packages 12-Ball WLCSP QFN3*3-16 (Compliant with FSA550)
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO5158 1A Li+ battery linear charger Features One-chip Li+ battery charging solution In-built power MOSFET, guarantee maximum power output 1A max charging current Small quantity of external components required Auto sleep mode Charging status indicators: charging and finished EP-SOIC-8 Pb-free packages Applicaionts 5 Charging Curves
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO2115E Power On/off Pop-Noise Elimination Audio Driver: 6 Key Features Voltage Output at 10kΩ Load 2 Vrms With 3.3V Supply Voltage Ultra Low Distortion SNR>100dB Typical Vn<10µVrms THD+N<0.001% at 2 Vrms No Pop/Clicks Noise when Power ON/OFF Featuring external under voltage mute Green available in DQFN-16 package Application Diagram DIO2115E is capable to drive 32 ohm headphone， No pop/click noise Applications Set-Top Boxes High Definition DVD Players Car Entertainment System Medical
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 RECOMMENDATION DIO6507 Features Low RDS(ON) for internal switches (top/bottom) 230mΩ/170mΩ, 1.0A V input voltage range 40μA typical quiescent current High light load efficiency High switching frequency 1.5MHz minimizes the external components Internal soft start limits the inrush current 100% dropout operation Green package: DFN1.6*1.6-6 is pin compatible. Block Diagram High-Efficiency 1.5MHz, 1A Output Synchronous Step Down Converter Applications Portable Navigation Device Set Top Box USB Dongle Media Player Smart phone 7 Compatible with RP507K
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO3202A USB2.0 High-Speed and Audio Switch Features Low Ron Audio/USB analog switch Low USB Con: 5pF Negative Signal Swing Capable Low Audio Distortion USB Switch -3dB Bandwidth: 720MHz High Crosstalk and Off-isolation Voltage Supply Operation: 2.7 to 5.25V Three Green Packaged: DIO3202A: DQFN10, QFN10, MSOP10 DIO3202B:DQFN10 Application Diagram Applications Cell-Phone/PDA MP3/MP4/PMP Portable Instrumentation 8 Perfect solution for Multiplexing a Micro USB connector for headphone and USB device in smart phone design. Perfectly compatible with FSA221 ， TS5USBA224 和 FSA321
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO3202A Eye Pattern USB2.0 Hi-Speed Eye PatternRon (Audio) Cross Talk 9
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO3232A Low-Power, USB2.0 High-Speed Switch Features Over-Voltage Tolerance (OVT) VCC operation at 2.7V to 4.3V Low Con: 6.5pF Typical Low Ron: 6Ω Typical Low Power Consumption: 1μA Maximum -3dB Bandwidth: > 720MHz Packaged in Green MSOP-10 and DQFN-10 8kV HBM ESD Rating Power-Off/On Protection on Common port. D+/D- Pins Tolerate up to 5.25V Packages: MSOP-10, DQFN-10 Application Diagram Applications Cell Phones PDAs and MP3s Portable Instrumentation Battery Powered Communications Computer Peripherals 10 Compatible with FSUSB30
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 Hi-Speed USB Switch Comparison DIOOS Company DIO3232ASXXXX Supply Voltage (Vcc)4.3V ESD (HBM) HBM: 8kV All Pin CDM: 2kV HBM:4kV (CDM not Specified On Capitance6.5pf Over Voltage Protection (Common Pin)YesNot Specified Power Off ProtectionYes Package MSOP DQFN (1.4 x 1.8mm)WQFN (1.4 x 1.8mm) QFN (1.5*2.0mm) Price （ USD ） 11
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO1523 Low Ron Audio Switch Audio Switch Features Switch Type: SPDT(2X) Voltage Operation: 1.8V to 4.2V Ultra-Low On Resistance: +4.2V -3dB Bandwidth: 40MHz High Off-isolation: Low Crosstalk: 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 8kV HBM ESD Block Diagram Applications Cell-Phone/PDA MP3/MP4/PMP Portable Instrumentation Battery Powered Communications Computer Peripherals 12 IN1, IN2NONC LOFFON H OFF Truth Table
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd 2016 DIO W Audio Power Amplifier Features Maximum Output: 2.8W (VDD=5.0V, RL=4Ω, THD+N=10%) Distortion Rate (THD): 0.05% (VDD=5.0V, PO=1W) High Efficiency up to 90% at 400mW Filter-Free Class D architecture Needs only three External Components Low Shutdown and Quiescent Current 2.8mA Quiescent Current 50nA 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 Application Diagram Applications Wireless or Cellular Handsets and PDAs Personal Navigation Devices General Portable Audio Devices Linear Vibrator Drivers 13
Dioo Headphone Solution ©Dioo Microcircuits Co., Ltd