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TPA2005D1DRBQ1 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPA2005D1DRBQ1 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 24 page www.ti.com FEATURES APPLICATIONS DESCRIPTION APPLICATION CIRCUIT _ + IN– IN+ PWM H– Bridge VO+ VO– Internal Oscillator CS To Battery VDD GND Bias Circuitry RI RI + – Differential Input TPA2005D1 SHUTDOWN Actual Solution Size 2.5 mm CS RI RI 6 mm (MicroStar Junior ™ BGA) TPA2005D1-Q1 SLOS474 – AUGUST 2005 1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER • Space Saving Package • Qualification in Accordance With AEC-Q100 (1) – 3 mm x 3 mm QFN package (DRB) • Qualified for Automotive Applications – 2,5 mm x 2,5 mm MicroStar Junior™ BGA Package (ZQY) • Customer-Specific Configuration Control Can Be Supported Along With Major-Change – 3 mm x 5 mm MSOP PowerPAD™ Package Approval (DGN) • 1.4 W Into 8 Ω From a 5-V Supply at – TPA2010D1 Available in 1,45 mm x 1,45 mm THD = 10% (Typ) WCSP (YZF) • Maximum Battery Life and Minimum Heat – Efficiency With an 8- Ω Speaker: • Ideal for Wireless or Cellular Handsets and • 84% at 400 mW PDAs • 79% at 100 mW – 2.8-mA Quiescent Current – 0.5- µA Shutdown Current The TPA2005D1 is a 1.4-W high-efficiency filter-free class-D audio power amplifier in a MicroStar Junior™ • Only Three External Components BGA, QFN, or MSOP package that requires only – Optimized PWM Output Stage Eliminates LC three external components. Output Filter Features like 84% efficiency, -71-dB PSRR at – Internally Generated 250-kHz Switching 217 Hz, improved RF-rectification immunity, and Frequency Eliminates Capacitor and 15-mm2 total PCB area make the TPA2005D1 ideal Resistor for cellular handsets. A fast start-up time of 9 ms with – Improved PSRR (-71 dB at 217 Hz) and minimal pop makes the TPA2005D1 ideal for PDA Wide Supply Voltage (2.5 V to 5.5 V) applications. Eliminates Need for a Voltage Regulator In cellular handsets, the earpiece, speaker phone, – Fully Differential Design Reduces RF and melody ringer can each be driven by the Rectification and Eliminates Bypass TPA2005D1. The device allows independent gain Capacitor control by summing the signals from each function, while minimizing noise to only 48 µV RMS. – Improved CMRR Eliminates Two Input Coupling Capacitors (1) Contact factory for details. Q100 qualification data available on request. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. MicroStar Junior, PowerPAD are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2005, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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