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TPA6141A2 データシート(PDF) 1 Page - Texas Instruments |
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TPA6141A2 データシート(HTML) 1 Page - Texas Instruments |
1 / 18 page 1 FEATURES DESCRIPTION APPLICATIONS INR+ INR- INL+ INL- AGND SGND OUTR HPVSS CPP CPN SW HPVDD OUTL TPA6141A2 Vbat CODEC OUTR+ OUTR- OUTL+ OUTL- 1 F m GAIN EN EN AVDD GAIN 2.2 H m 2.2 F m 1 F m 2.2 F m TPA6141A2 www.ti.com .................................................................................................................................................................................................. SLOS634 – MARCH 2009 CLASS-G DIRECTPATH™ STEREO HEADPHONE AMPLIFIER 2 • TI Class-G Technology Significantly Prolongs The TPA6141A2 (also known as TPA6141) is a Battery Life and Music Playback Time Class-G DirectPath™ stereo headphone amplifier with selectable gain. Class-G technology maximizes – 0.6 mA / Ch Quiescent Current battery life by adjusting the voltage supplies of the – 50% to 80% Lower Quiescent Current Than headphone amplifier based on the audio signal level. Ground-Referenced Class-AB Headphone At low level audio signals, the internal supply voltage Amplifiers is reduced to minimize power dissipation. • DirectPathTM Technology Eliminates Large DirectPathTM technology eliminates external DC-blocking capacitors. Output DC-Blocking Capacitors – Outputs Biased at 0 V The device operates from a 2.5 V to 5.5 V supply voltage. Class-G operation keeps total supply current – Improves Low Frequency Audio Fidelity below 5.0 mA while delivering 500 µW per channel • Active Click and Pop Suppression into 32 Ω. Shutdown mode reduces the supply • Fully Differential Inputs Reduce System Noise current to less than 3 µA and is activated through the EN pin. – Also Configurable as Single-Ended Inputs • SGND Pin Eliminates Ground Loop Noise The device has built-in pop suppression circuitry to completely eliminate disturbing pop noise during • Wide Power Supply Range: 2.5 V to 5.5 V turn-on and turn-off. The amplifier outputs have • 100 dB Power Supply Noise Rejection short-circuit and thermal-overload protection along • Gain Settings: 0 dB and 6dB with ±8 kV HBM ESD protection, simplifying end equipment compliance to the IEC 61000-4-2 ESD • Short-Circuit Current Limiter standard. • Thermal-Overload Protection The TPA6141A2 (TPA6141) is available in a 0,4 mm • ±8 kV HBM ESD Protected Outputs pitch, 16-bump 1,6 mm × 1,6 mm WCSP (YFF) • 0,4 mm Pitch, 1,6 mm × 1,6 mm WCSP package. Package • Cellular Phones / Music Phones • Portable Media / MP3 Players • Portable CD / DVD Players 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. 2 Class-G DirectPath, DirectPath are trademarks of Texas Instruments. PRODUCT PREVIEW information concerns products in the Copyright © 2009, Texas Instruments Incorporated formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
同様の部品番号 - TPA6141A2 |
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同様の説明 - TPA6141A2 |
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