BD27400GUL amplifier equivalent, filter-less class-d monaural speaker amplifier.
* High output power 2.5W typ.(VDD=5V, RL=4Ω, THD+N=10%, BTL）
* Very small package 9-Pin WL-CSP
* Gain selectable by external resistor
* LC Filter less
that switch repeatedly between suspended and active.
Key Specifications
* Operating voltage Range:
* Circuit cu.
BD27400GUL is a low voltage drive class-D monaural speaker amplifier that was developed for cellular telephones, mobile audio products and the others. The LC filter of the speaker output is unnecessary and the external part can compose a speaker ampl.
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