Catalog
Analog Input Monaural Class-D Speaker Amplifier
Key Features
• Built-in Digital ALC (Automatic Level Control), Only 3 external components, Ultra small package : 9 pin WL-CSP (1.7×1.7×0.55mmMax.), BD5460/61GUL(not Built-in ALC, fixed Gain) Pin compatibleBD5466GUL(Built-in ALC, max. Gain +18dB(Typ.)) Pin compatible, Maximum Gain : 13dB(Typ.) [in ALC activation, 13 to -2dB@1dB step], ALC Release (recovery) time : 4ms / 1dB(Typ.), Maximum output power :0.7W(Typ.)[VDD=4.2V,RL=8Ω,THD+N≦1%]0.5W(Typ.)[VDD=3.6V,RL=8Ω,THD+N≦1%], Audio analog Input (Analog differential input & single input available), No LC filter required, Pop noise suppression circuit, Shutdown function (Mute function)[shutdown current=0.1μA(Type.)], Protection circuit (Short protection, Thermal shutdwon, Under voltage lockout)
Description
AI
These monaural Class D speaker amps have ALC function, and are compatible with differential analog input, making them optimized for a wide variety of applications, from portable devices such as mobile phones and laptop computers to home appliances and healthcare equipment with built-in speech synthesis. In addition, an efficiency of 90% contributes to lower heat generation and greater energy conservation.
