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TPA2006D1DRB Datasheet(PDF) 1 Page - Texas Instruments |
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TPA2006D1DRB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page www.ti.com FEATURES APPLICATIONS DESCRIPTION APPLICATION CIRCUIT _ + PWM H- IN- Bridge VO+ VO- Internal Oscillator CS ToBattery VDD GND Bias Circuitry RI RI + - Differential Input TPA2006D1 SHUTDOWN 8 SHUTDOWN NC IN+ IN− VO− GND VDD VO+ 8-PINQFN(DRB)PACKAGE (TOP VIEW) 7 6 5 1 2 3 4 NC − Nointernalconnection IN+ TPA2006D1 SLOS498 – SEPTEMBER 2006 1.45-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER WITH 1.8-V COMPATIBLE INPUT THRESHOLDS • Ideal for Wireless or Cellular Handsets and • Maximum Battery Life and Minimum Heat PDAs – Efficiency With an 8- Ω Speaker: • 88% at 400 mW • 80% at 100 mW The TPA2006D1 is a 1.45-W high efficiency – 2.8-mA Quiescent Current filter-free class-D audio power amplifier in a 3 mm × – 0.5- µA Shutdown Current 3 mm QFN package that requires only three external components. The SHUTDOWN pin is fully • Shutdown Pin has 1.8-V Compatible compatible with 1.8-V logic GPIO, such as are used Thresholds on low power cellular chipsets. • Only Three External Components Features like 88% efficiency, –75-dB PSRR, • Optimized PWM Output Stage Eliminates improved RF-rectification immunity, and very small LC Output Filter total PCB footprint make the TPA2006D1 ideal for • Internally Generated 250-kHz Switching cellular handsets. A fast start-up time of 1 ms with Frequency Eliminates Capacitor and minimal pop makes the TPA2006D1 ideal for PDA Resistor applications. • Improved PSRR (–75 dB) and Wide In cellular handsets, the earpiece, speaker phone, Supply Voltage (2.5 V to 5.5 V) Eliminates and melody ringer can each be driven by the Need for a Voltage Regulator TPA2006D1. The TPA2006D1 allows independent gain while summing signals from separate sources, • Fully Differential Design Reduces RF and has a low 36 µV noise floor, A-weighted. Rectification and Eliminates Bypass Capacitor • Improved CMRR Eliminates Two Input Coupling Capacitors • Space Saving 3 mm x 3 mm QFN Package (DRB) 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. PRODUCTION DATA information is current as of publication date. Copyright © 2006, 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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