The TPA3007D1 is a 6.5-W mono bridge-tied load (BTL) class-D audio power amplifier with high efficiency, eliminating the need for heat sinks. The TPA3007D1 can drive 8Ω speakers with only a ferrite bead filter required to reduce EMI.
The parallel amplifier is another configuration that can be used to obtain higher output power levels by combining two IC outputs and doubling output current drive capability. The parallel topology provides a great way of achieving higher power levels while keeping within IC power dissipation limits by driving low impedance loads, which is the case for many self-powered speaker and powered subwoo…
The LM4667 is a fully integrated 1.3W, single-supply high efficiency (Class D) switching audio amplifier. It features an innovative modulator that eliminates the LC output filter used with typical switching amplifiers.
The SSM2305 is a fully integrated, single-chip, mono Class-D audio amplifier that is designed to maximize performance for mobile phone applications. The application circuit operates from a single 2.5 V to 5.5 V supply and is capable of delivering 2.8 W of continuous output power with less than 10% THD + N driving a 4 Ω load from a single 5.0 V supply.
This evaluation board is designed with the TS4994 low power differential audio amplifier. The micro-package DFN10 (dual flat non-leaded 10 pins) allows space saving and good thermal dissipation. The differential gain is set at 1 V/V and can be adapted as necessary through a modification of the R1 to R4 values.
The IRAUDAMP6 reference design is a two-channel, 250W/ch (8Ω) load half-bridge Class D audio power amplifier. This reference design demonstrates how to use the IRS20957S Class D audio controller and gate driver IC, implement protection circuits, and design an optimum PCB layout using the IRF6785 DirectFET MOSFETs.
The TPA3110D2 evaluation module consists of a single 15-W, Class-D, stereo audio power amplifier complete with a small number of external components mounted on a circuit board that can be used to directly drive a speaker with an external analog audio source as the input. The EVM’s default output filter configuration supports filter-free operation, but can easily be configured to support LC filter…
The LM48511 integrates a boost converter with a high efficiency Class D audio power amplifier to provide 3W continuous power into an 8Ω speaker when operating from a 5V power supply. When operating from a 3V to 4V power supply, the LM48511 can be configured to drive 1 to 2.5W into an 8Ω load with less than 1% distortion (THD+N).
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