The TAS5414C-Q1 and TAS5424C-Q1 are four-channel digital audio amplifiers designed for
use in automotive head units and external amplifier modules. They provide four channels at 23 W
continuously into 4 Ω at less than 1% THD+N from a 14.4-V supply. Each channel can also deliver 38
W into 2 Ω at 1% THD+N. The TAS5414C-Q1 uses single-ended analog inputs, whereas the TAS5424C-Q1
employs differential inputs for increased immunity to common-mode system noise. The digital PWM
topology of the device provides dramatic improvements in efficiency over traditional linear
amplifier solutions. This reduces the power dissipated by the amplifier by a factor of ten under
typical music playback conditions. The device incorporates all the functionality needed to perform
in the demanding OEM applications area. The devices have built-in load diagnostic functions for
detecting and diagnosing misconnected outputs to help to reduce test time during the manufacturing
process.
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