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TPA3221 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA3221 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 39 page Power Supply 110VAC->240VAC TAS5630 30V TPA3221 Audio Source And Control RIGHT LEFT LC Filter LC Filter RESET FAULT 1SPW FREQ_ADJ OSCM/P OTW_CLIP Modulation Mode Select Switching Frequency Select 5V Master/Slave Synchronization Copyright © 2016, Texas Instruments Incorporated CMUTE PVDD GVDD AVDD VDD PBTL Detect Product Folder Order Now Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to change without notice. TPA3221 SLASEE9 – JUNE 2017 TPA3221 100-W Stereo, 200-W Mono HD-Audio, Analog-Input, Class-D Amplifier 1 1 Features 1 • Wide 7-V to 30-V Supply Voltage Operation • Stereo (2 x BTL) and Mono (1 x PBTL) Operation • Output Power at 10% THD+N – 100-W Stereo into 4 Ω in BTL Configuration – 130-W Stereo into 3 Ω in BTL Configuration – 200-W Mono into 2 Ω in PBTL Configuration • Output Power at 1% THD+N – 80-W Stereo into 4 Ω in BTL Configuration – 100-W Stereo into 3 Ω in BTL Configuration – 160-W Mono into 2 Ω in PBTL Configuration • 5-V Gate Drive or Built-in LDO for Optional Single- Supply Operation • Closed-Loop Feedback Design – Signal Bandwidth up to 100 kHz for High- Frequency Content From HD Sources – 0.02% THD+N at 1 W into 4 Ω – 60-dB PSRR (BTL, No Input Signal) – <75-µV Output Noise (A-Weighted) – >108-dB SNR (A-Weighted) – AD or 1SPW Modulation Schemes • Low-Power Operating Modes – Standby Modes: Mute and < 1 mA Shutdown – Low Idle-Current 1SPW Modulation Scheme – Single-Channel BTL Operation • Multiple Input Options to Simplify Pre-Amp Design – Differential or Single-Ended Analog Inputs – Selectable Gains: 18 dB, 24 dB, 30 dB, 34 dB • Integrated Protection Features: Undervoltage, Overvoltage, Cycle-by-cycle Current Limit, Short Circuit, Clipping Detection, Overtemperature Warning and Shutdown, and DC Speaker Protection • 90% Efficient Class-D Operation (4 Ω) • Pin-Compatible Family of Devices with Voltage and Power-Level Options 2 Applications • Wireless and Powered Speakers • Soundbars • Subwoofers • Bookshelf Stereo Systems • Professional and Public Address (PA) Speakers 3 Description TPA3221 is a high-power Class-D amplifier with amplifier that enables efficient operation at full-power, idle and standby. The device features closed-loop feedback with a bandwidth up to 100 kHz, which provides low distortion across the audio band and delivers excellent sound quality. The device operates with either AD or low idle-current 1SPW modulation, and can drive up to 2 x 100 W into 4-Ω load or 1 x 200 W into 2-Ω load. The TPA3221 features a single-ended or differential analog-input interface that supports up to 2 VRMS with four selectable gains: 18 dB, 24 dB, 30 dB and 34 dB. The TPA3221 also achieves >90% efficiency, low idle power (< 0.5 W), and ultra-low standby power (< 0.1 W). This is made possible through the use of 70- mΩ MOSFETs, an optimized gate drive scheme and low-power operating modes. TPA3221 includes a built-in LDO for easy integration in single-power- supply systems. To further simplify the design, the device integrates essential protection features, including undervoltage, overvoltage, cycle-by-cycle current limit, short circuit, clipping detection, overtemperature warning and shutdown, as well as dc speaker protection. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPA3221 HTSSOP (44) 6.10 mm x 14.00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic |
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