YDA139 - STEREO 2.5W DIGITAL AUDIO POWER AMPLIFIER

Product Overview

YAMAHA CORPORATION

Datasheet Details

Part number	YDA139
Manufacturer	YAMAHA CORPORATION
File Size	1.31 MB
Description	STEREO 2.5W DIGITAL AUDIO POWER AMPLIFIER
Datasheet	YDA139 Datasheet
Additional preview pages of the YDA139 datasheet.

Product details

Description

of operating functions Digital Amplifier Function YDA139 has digital amplifiers with analog and digital input, PWM pulse output, Maximum output of 2.5W(RL=4 )×2ch.Distortion of PWM pulse output signal and noise of the signal is reduced by adopting “Pure Pulse Direct Speaker Drive Circuit” First Stage Amplifier Gain Setting Function YDA139is composed of the first stage amplifier with gain setting control and a 6dB fixed-gain digital amplifier.Gain of the first stage amplifier can be set by

Features

Maximum output WLCSP25 2.5 W×2ch (VDDP=VDDA=5.0V, RL=4Ω, THD+N=10%) 1.5 W×2ch (VDDP=VDDA=5.0V, RL=8Ω, THD+N=10%) SSOP24 2.5 W×2ch （VDDP=VDDA=5.0V, RL=4Ω, THD+N=10%） 1.3 W×2ch （VDDP=VDDA=5.0V, RL=8Ω, THD+N=10%） Efficiency www. DataSheet4U. com WLCSP25 91 % (Analog input mode, VDDP=VDDA=5.0V, RL=8Ω, Po=1.5W) SSOP24 88 % (Analog input mode, VDDP=VDDA=5.0V, RL=8Ω, Po=1.5W) Distortion Rate (THD+N) 0.03 % (Analog input mode, VDDP=VDDA=5.0V, RL=8Ω, Po=0.65W) S/N Ratio 99dB (Analog input mode, VDDP=VDDA=5.

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Published: Dec 1, 2009 |