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TPA6205A1ZQVR Arkusz danych(PDF) 1 Page - Texas Instruments |
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TPA6205A1ZQVR Arkusz danych(HTML) 1 Page - Texas Instruments |
1 / 26 page ZQV DRB DGN www.ti.com FEATURES APPLICATIONS DESCRIPTION APPLICATIONCIRCUIT Actual SolutionSize 6,9mm 5,25mm (1)C B RI RI CS RF RF _ + VDD VO+ VO- GND ToBattery Cs Bias Circuitry IN- IN+ + - InFrom DAC SHUTDOWN RI RI RF RF AppliestotheZQVPackagesOnly C( ) BYPASS (Optional) TPA6205A1 SLOS490A – JULY 2006 – REVISED AUGUST 2006 1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER WITH 1.8-V INPUT LOGIC THRESHOLDS • Designed for Wireless Handsets, PDAs, and • 1.25 W Into 8 Ω From a 5-V Supply at other mobile devices THD = 1% (Typical) • Compatible with Low Power (1.8V Logic) I/O • Shutdown Pin has 1.8V Compatible Threshold control signals Thresholds • Low Supply Current: 1.7mA Typical • Shutdown Current < 10 µA The TPA6205A1 is a 1.25-W mono fully differential • Only Five External Components amplifier designed to drive a speaker with at least – Improved PSRR (90 dB) and Wide Supply 8- Ω impedance while consuming less than 37 mm2 Voltage (2.5V to 5.5V) for Direct Battery (ZQV package option) total printed-circuit board (PCB) area in most applications. This device Operation operates from 2.5 V to 5.5 V, drawing only 1.7 mA of – Fully Differential Design Reduces RF quiescent supply current. The TPA6205A1 is Rectification available in the space-saving 2 mm x 2 mm – Improved CMRR Eliminates Two Input MicroStar Junior™ BGA package, and the space Coupling Capacitors saving 3 mm x 3 mm QFN (DRB) package. – C(BYPASS) Is Optional Due to Fully Features like 85-dB PSRR from 90 Hz to 5 kHz, Differential Design and High PSRR improved RF-rectification immunity, and small PCB area makes the TPA6205A1 ideal for wireless • Available in 3 mm x 3 mm QFN Package handsets. A fast start-up time of 4 µs with minimal (DRB) pop makes the TPA6205A1 ideal for PDA • Available in an 8-Pin PowerPAD™ MSOP applications. (DGN) • Avaliable in a 2 mm x 2 mm MicroStar Junior™ BGA Package (ZQV) 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. PowerPAD, MicroStar Junior are trademarks of Texas Instruments. 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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