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TPA3137D2 数据表(PDF) 1 Page - Texas Instruments |
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TPA3137D2 数据表(HTML) 1 Page - Texas Instruments |
1 / 35 page Power Supply 110VAC->240VAC TAS5630 4.5V-14.4V TPA3137D2 Audio Source And Control RIGHT LEFT Ferrite Bead Filter Ferrite Bead Filter PBTL SELECT SD FAULT PLIMIT Power Limiter Threshold Select PBTL Mode Select Product Folder Sample & Buy 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. PRODUCTION DATA. TPA3137D2 SLOS956A – JUNE 2016 – REVISED JUNE 2016 TPA3137D2 6-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with Ultra Low EMI 1 1 Features 1 • 2 × 6 W/ch into 6- Ω Loads at 10% THD+N from a 12-V Supply • 2 × 6 W/ch into 8- Ω Loads at 10% THD+N from a 13-V Supply • Up to 90% Efficient Class-D Operation (8 Ω) Eliminates Need for Heat Sinks • <0.05% THD+N at 1 W/4 Ω/1 kHz • Wide Supply Voltage Range Allows Operation from 4.5 V to 14.4 V • Inductor-Free Operation • Enhanced EMI Performance with Spread Spectrum • SpeakerGuard™ Speaker Protection Includes Power Limiter and DC Protection • Robust Pin-to-Pin, Pin-to-Ground, and Pin-to- Power Short Circuit Protection and Thermal Protection • 26-dB Fixed Gain • Single-Ended or Differential Analog Inputs • Click and Pop Free Startup 2 Applications • Televisions • Bluetooth/Wireless Speakers • Mini Speakers • USB Speakers • Consumer Audio Equipment 3 Description The TPA3137D2 device is an efficient, Class-D audio power amplifier for driving bridged-tied stereo speakers at up to 6 W, 6 Ω, or 8 Ω (per channel). Advanced EMI Suppression Technology with Spread Spectrum Control scheme enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements for system cost reduction. The TPA3137D2 device is not only fully protected against shorts and overload, the SpeakerGuard™ speaker protection circuitry includes a power limiter and a DC detection circuit for protection of the connected speakers. The DC detect and Pin-to-Pin, Pin-to-Ground, and Pin-to-Power Short Circuit protection circuit protect the speakers from output DC and pin shorts caused in production. The outputs are also fully protected against shorts to GND, PVCC, and output-to-output. The short-circuit protection and thermal protection includes an auto recovery feature. The TPA3137D2 device can drive stereo speakers with as low as 4- Ω impedance. The high efficiency of the TPA3137D2, 90% with an 8- Ω load, eliminates the need for an external heat sink, and TPA3137D2 will be able to output full power on a 2-layer PCB. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPA3137D2 HTSSOP (28) 9.70 mm × 4.40 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic |
类似零件编号 - TPA3137D2 |
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类似说明 - TPA3137D2 |
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