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New Stereo Audio Power Amplifier from Texas Instruments Drives Headphones and Speakers with Low DistortionDALLAS (June 16, 1997) – A new 300mW stereo audio power amplifier capable of driving headphones and small unpowered speakers with less than 0.06% distortion is now available from Texas Instruments (TI). The amplifier’s low power consumption and good fidelity make it ideal in applications such as notebook computers, desktop computers and consumer audio. This device, designated the TPA302, is capable of delivering 250mW of continuous average power into an 8 W load at less than 0.06% THD+N from a 5V power supply. The gain is externally configured by means of two resistors per channel and does not require compensation for gain settings of 1 to 10. The TPA302 features a shutdown function for power sensitive applications as well as internal, thermal and short circuit protection. For headphone applications driving 32 W loads, the TPA302 delivers 60mW of continuous average power from a 5V power supply at less than 0.06% THD+N. Features/Benefits
End Equipment Applications
Applications for the TPA302 include:
Pricing, Packaging and Availability The TPA302 is now available from TI and its authorized distributors. The TPA302 is available in an 8-pin small-outline integrated circuit (SOIC) and is priced at $1.19 in quantities of 1,000. # # # |