UPA8155中文资料CLASS AB/D OPTIONAL SECOND GENERATION CLASS-D AUDIO AMPLIFIER数据手册UTC规格书

描述 Description

The UTC UPA8155 is a second-generation Class D audioamplifier with crack-free noise (NCN), ultra-low THD+N, no filter,AB/D output mode selection for the most comfortable listeningexperience for customers.The UTC UPA8155 NCN output power can be set for differentspeakers, this feature is to protect the speaker from damagecaused by excessive sound levels.The filter-less PWM architecture and internal gain Settingsreduce the number of external components, board areaconsumption, system costs, and simplify design. Overcurrent andover-temperature are prepared inside the device.

特性 Features

Power Supply Range: 2.5V~5.5V Low Shutdown Current (<0.1µA) AB/D Operate Mode Two NCN Level: 0.65W and 0.85W Ultra Low THD+N: 0.06% Over-Temperature Protection Excellent Pop-Click Suppression One-Pulse Control Over-Current Protection Filter-Free Class-D Architecture High PSRR (-70dB at 217Hz)