TPA3137D2

Product Folder Order Now Technical Documents Tools & Software Support & Community TPA3137D2 SLOS956B – JUNE 2016 – REVISED DECEMBER 2017 TPA3137D2 6-W Inductor Free Stereo (BTL) Class-D Audio Amplifier with Ultra Low EMI 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 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-Gro...