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TPA3140D2 Datasheet(PDF) 1 Page - Texas Instruments |
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TPA3140D2 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 40 page Power Supply 110VAC->240VAC TAS5630 4.5V-14.4V TPA3140D2 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 TPA3140D2 SLOS882A – JANUARY 2015 – REVISED APRIL 2015 TPA3140D2 10-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with Ultra Low EMI and AGL 1 Features 3 Description The TPA3140D2 is an efficient, Class-D audio power 1 • 2x10 W/ch into 6- Ω Loads at 10% THD+N from a amplifier for driving bridged-tied stereo speakers at 12-V Supply up to 10 W/6 Ω or 8 Ω (per channel). • 2x10 W/ch into 8- Ω Loads at 10% THD+N from a Advanced EMI Suppression Technology with Spread 13-V Supply Spectrum Control and 1SPW modulation scheme • Up to 90% Efficient Class-D Operation (8 Ω) enables the use of inexpensive ferrite bead filters at Eliminates Need for Heat Sinks the outputs while meeting EMC requirements for • <0.05% THD+N at 1 W/4 Ω/1 kHz system cost reduction. TPA3140D2 is not only fully protected against shorts and overload, the • <65-µV A-wgt Output Noise SpeakerGuard™ speaker protection circuitry includes • Wide Supply Voltage Range Allows Operation an adjustable Automatic Gain Limit (AGL), an from 4.5 V to 14.4 V adjustable power limiter and a DC detection circuit for • Inductor-Free Operation protection of the connected speakers. The AGL allows adjustment of the maximum output voltage • Enhanced EMI Performance with Spread without signal clipping for enhanced speaker Spectrum and 1SPW Operation protection and audio quality. The DC detect and Pin- • SpeakerGuard™ Speaker Protection Includes to-Pin, Pin-to-Ground and Pin-to-Power Short Circuit Automatic Gain Limit, Adjustable Power Limiter protection circuit protect the speakers from output DC and DC Protection and pin shorts caused in production. The outputs are • Robust Pin-to-Pin, Pin-to-Ground and Pin-to- also fully protected against shorts to GND, PVCC, and output-to-output. The short-circuit protection and Power Short Circuit Protection and Thermal thermal protection includes an auto recovery feature. Protection • Four Selectable, Fixed Gain Settings The TPA3140D2 can drive stereo speakers with as low as 4- Ω impedance. The high efficiency of the • Single Ended or Differential Analog Inputs TPA3140D2, 90% with 8- Ω load, eliminates the need • Click and Pop Free Startup for an external heat sink, and TPA3140D2 will be able to output full power on a 2-layer PCB. 2 Applications Device Information(1) • Televisions PART NUMBER PACKAGE BODY SIZE (NOM) • BT Speakers TPA3140D2 HTSSOP (28) 9.70 mm x 4.40 mm • Wireless Speakers (1) For all available packages, see the orderable addendum at • Mini Speakers the end of the datasheet. • USB Speakers • Consumer Audio Equipment 4 Simplified Schematic 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. |
Número de pieza similar - TPA3140D2_15 |
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Descripción similar - TPA3140D2_15 |
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