YDA148_EVB雅马哈YAMAHA功放芯片yda148开发板使用说明YDA148_EVB雅马哈YAMAHA功放芯片yda148开发板使用说明.pdf

PRELIMINARY Rev.0.9.0 2006.10.12 YDA148(D-510) 5W-15W Digital Audio Power Amplifier Evaluation Board EVB-D510-Q-10Z3 Operation Manual ○Overview “EVB-D510-Q-10Z3” is an evaluation board to evaluate audio characteristics of YDA148(D-510), a digital audio power amplifier IC with maximum output power of 15W (V =15V,R =8Ω) × 2ch. All-in-one board with DDP L stereo mini-jack, volumes, and control switches as well as space-saving parts including YDA148 allows easy evaluation. ○Features ・Maximum output 15 W×2ch (V =15V, R =8Ω, THD+N=10%) DDP L 10 W×2ch (V =12V, R =8Ω, THD+N=10%) DDP L ・Efficiency 86 % (V =12V, R =8Ω) DDP L ・Distortion Rate (THD+N) 0.03 % (V =12V, R =8Ω, Po=5W, 1kHz) DDP L ・S/N Ratio 105dB (VDDP=12V, GAIN[1:0]=L,L NCDRC[1:0]=L,L) ・Non-Clip function /DRC function ・Power-limit function ・Gain setting function (4 step) ・Sleep control function, Output mute control function ・Over-current Protection Function, Over-temperature Protection Function, Low voltage Malfunction Prevention function, and DC detection function ○External View of the Evaluation Board The contents of this user’s manual and evaluation board are target specifications and they are subject to change without a prior notice.