Update: 29 September, 2023
The TPA321 is a bridge-tied load (BTL) audio power amplifier developed especially for low-voltage applications where internal speakers are required. Operating with a 3.3-V supply, the TPA321 can deliver 250 mW of continuous power into a BTL 8-Ω load at less than 1% THD+N throughout voice band frequencies. This device features a shutdown mode for power-sensitive applications with a quiescent current of 0.15 µA during shutdown. The TPA321 is available in an 8-pin SOIC surface-mount package.
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MD5 Checksum: 6BDB91708F440B694041BBD578EC2780
Publication date: 04 May, 2012
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PDF Link: TEXAS INSTRUMENTS TPA321 350-mW MONO AUDIO POWER AMPLIFIER WITH DIFFERENTIAL INPUTShandbook PDF