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TPA6132A2 数据表(PDF) 1 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
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TPA6132A2 数据表(HTML) 1 Page - TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS |
1 / 22 page 1 FEATURES DESCRIPTION APPLICATIONS INR+ INR- INL+ INL- PGND SGND OUTR HPVSS CPP CPN VDD HPVDD OUTL TPA6132A2 VBAT CODEC OUTR+ OUTR- OUTL+ OUTL- G0 ENABLE EN G1 GAIN1 GAIN0 TPA6132A2 www.ti.com ........................................................................................................................................................................................... SLOS597 – DECEMBER 2008 25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION 23 • Patented DirectPath™ Technology Eliminates Need for DC-Blocking Capacitors The TPA6132A2 (sometimes referred to as TPA6132) is a DirectPath™ stereo headphone amplifier that – Outputs Biased at 0 V eliminates the need for external dc-blocking output – Excellent Low Frequency Fidelity capacitors. Differential stereo inputs and built-in • Active Click and Pop Suppression resistors set the device gain, further reducing external • 2.1 mA Typical Supply Current component count. Gain is selectable at –6 dB, 0 dB, 3 dB or 6 dB. The amplifier drives 25 mW into 16 Ω • Fully Differential or Single-Ended Inputs speakers from a single 2.3 V supply. The TPA6132A2 – Built-In Resistors Reduces Component (TPA6132) provides a constant maximum output Count power independent of the supply voltage, thus facilitating the design for prevention of acoustic – Improves System Noise Performance shock. • Constant Maximum Output Power from 2.3 V to 5.5 V Supply The TPA6132A2 (TPA6132) features fully differential inputs to reduce system noise pickup between the – Simplifies Design to Prevent Acoustic audio source and the headphone amplifier. The high Shock power supply noise rejection performance and • Improved RF Noise Immunity differential architecture provides increased RF noise • MicrosoftTM Windows VistaTM Compliant immunity. For single-ended input signals, connect INL+ and INR+ to ground. • High Power Supply Noise Rejection – 100 dB PSRR at 217 Hz The device has built-in pop suppression circuitry to completely eliminate disturbing pop noise during – 90 dB PSRR at 10 kHz turn-on and turn-off. The amplifier outputs have • Wide Power Supply Range: 2.3 V to 5.5 V short-circuit and thermal-overload protection along • Gain Settings: –6 dB, 0 dB, 3 dB, and 6 dB with ±8 kV HBM ESD protection, simplifying end equipment compliance to the IEC 61000-4-2 ESD • Short-Circuit and Thermal-Overload Protection standard. • ±8 kV HBM ESD Protected Outputs The TPA6132A2 (TPA6132) operates from a single • Small Package Available 2.3 V to 5.5 V supply with 2.1 mA of typical supply – 16-Pin, 3 mm × 3 mm Thin QFN current. Shutdown mode reduces supply current to less than 1 µA. • Smart Phones / Cellular Phones • Notebook Computers • CD / MP3 Players • Portable Gaming 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 DirectPath is a trademark of Texas Instruments. 3 Windows Vista is a trademark of Microsoft Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2008, 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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类似说明 - TPA6132A2 |
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