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TPA2038D1YFFR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPA2038D1YFFR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 22 page PWM + – Internal Oscillator H-Bridge Bias Circuitry IN+ IN- EN Cs To battery TPA 2038 D1 GND VDD VO+ VO- GAIN Gain Select A1 IN+ A2 GAIN A3 VO- B1 B2 PVDD B3 PGND VDD C1 IN- C2 EN C3 VO+ TPA2038D1 9-BALL 0.4mm PITCH WAFER CHIP SCALE PACKAGE (YFF) (TOP VIEW OF PCB) 1.214 mm TPA2038D1 www.ti.com SLOS697 – AUGUST 2011 3.2 W Mono Class-D Audio Power Amplifier With Selectable Gain and Auto-Recovering Short-Circuit Protection Check for Samples: TPA2038D1 1 FEATURES APPLICATIONS • Filter-Free Mono Class-D Speaker Amp • Wireless or Cellular Handsets and PDAs • GAIN Pin Selects Between 6 dB and 12 dB • Portable Navigation Devices • 3.2 W into 4 Ω from 5 V supply at 10% THD+N • General Portable Audio Devices • Powerful Mono Class-D Speaker Amplifier DESCRIPTION – 1% at 1.4 W into 8 Ω from 5 V Supply The TPA2038D1 is a 3.2 W into 8-ohm (10% THD) – 1% at 2.5 W into 4 Ω from 5 V Supply high efficiency filter-free class-D audio power • Integrated Image Reject Filter for DAC Noise amplifier. The GAIN pin sets gain to either 6 dB or Reduction 12 dB. • Low Output Noise of 20 μV Features like 95% efficiency, 1.5 mA quiescent • Low Quiescent Current of 1.5 mA current, 0.5 μA shutdown current, 81 dB PSRR, 20 μV output noise, and improved RF immunity make • Auto-Recovering Short-Circuit Protection the TPA2038D1 class-D amplifier ideal for cellular • Thermal-Overload Protection handsets. A start-up time is within 4 ms with no • 9-Ball 1,21 mm × 1,16 mm 0,4 mm Pitch WCSP turn-on pop. The TPA2038D1 is available in a 1.21 mm x 1.16 mm, 0.4 mm pitch wafer chip scale package (WCSP). APPLICATION CIRCUIT 1 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 © 2011, 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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