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TPA3144D2PWPR データシート(PDF) 1 Page - Texas Instruments |
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TPA3144D2PWPR データシート(HTML) 1 Page - Texas Instruments |
1 / 40 page Power Supply 110VAC->240VAC TAS5630 4.5V-14.4V TPA3144D2 Audio Source And Control RIGHT LEFT Ferrite Bead Filter Ferrite Bead Filter PBTL DETECT SD FAULT 1SPW GAIN SSCTRL LIMRATE 1SPW Modulation Scheme Select 4 Level Gain Select Spread Spectrum Mode Select AGL Speed Select / Voltage Limiter LIMTHRES AGL / Limiter Threshold Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA3144D2 SLOS907B – APRIL 2015 – REVISED JULY 2015 TPA3144D2 6-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with Ultra Low EMI and AGL 1 Features 3 Description The TPA3144D2 is an efficient, Class-D audio power 1 • 2x6 W/ch into 4- Ω Loads at 10% THD+N from a amplifier for driving bridged-tied stereo speakers at 7-V Supply up to 6 W 6 Ω or 8 Ω (per channel). • 2x6 W/ch into 6- Ω Loads at 10% THD+N from a Advanced EMI Suppression Technology with Spread 9.5-V Supply Spectrum Control and 1SPW modulation scheme • 2x6 W/ch into 8- Ω Loads at 10% THD+N from a enables the use of inexpensive ferrite bead filters at 10-V Supply the outputs while meeting EMC requirements for • Up to 90% Efficient Class-D Operation (8 Ω) system cost reduction. TPA3144D2 is not only fully Eliminates Need for Heat Sinks protected against shorts and overload, the SpeakerGuard™ speaker protection circuitry includes • <0.05% THD+N at 1 W/4 Ω/1 kHz an adjustable Automatic Gain Limit (AGL), an • <65-µV A-wgt Output Noise adjustable power limiter and a DC detection circuit for • Wide Supply Voltage Range Allows Operation protection of the connected speakers. The AGL SpeakerGuard™ speaker protection circuitry allows adjustment of the maximum output voltage without signal clipping for enhanced speaker includes from 4.5 V to 14.4 V protection and audio quality. The DC detect and Pin- • Inductor-Free Operation to-Pin, Pin-to-Ground and Pin-to-Power Short Circuit • Enhanced EMI Performance with Spread protection circuit protect the speakers from output DC Spectrum and 1SPW Operation and pin shorts caused in production. The outputs are • SpeakerGuard™ Speaker Protection Includes also fully protected against shorts to GND, PVCC, and output-to-output. The short-circuit protection and Automatic Gain Limit, Adjustable Power Limiter thermal protection includes an auto recovery feature. and DC Protection • Robust Pin-to-Pin, Pin-to-Ground and Pin-to- The TPA3144D2 can drive stereo speakers with as low as 4- Ω impedance. The high efficiency of the Power Short Circuit Protection and Thermal TPA3144D2, 90% with 8- Ω load, eliminates the need Protection for an external heat sink, and TPA3144D2 will be • Four Selectable, Fixed Gain Settings able to output full power on a 2-layer PCB. • Single Ended or Differential Analog Inputs • Click and Pop Free Startup Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) 2 Applications TPA3144D2 HTSSOP (28) 9.70 mm x 4.40 mm • Televisions (1) For all available packages, see the orderable addendum at the end of the datasheet. • BT Speakers • Wireless Speakers Simplified Schematic • Mini Speakers • USB Speakers • Consumer Audio Equipment 1 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. PRODUCTION DATA. |
同様の部品番号 - TPA3144D2PWPR |
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同様の説明 - TPA3144D2PWPR |
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