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YAMAHA CORPORATION

YDA138 Datasheet Preview

YDA138 Datasheet

STEREO 10W DIGITAL AUDIO POWER AMPLIFIER

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YDA138
D- 3
STEREO 10W DIGITAL AUDIO POWER AMPLIFIER
Overview
YDA138 (D-3) is a high efficient digital audio power amplifier IC that operates with a single 12V power supply.
An audio power amplifier with a maximum output of 10W (RL=8Ω)×2ch or 20W (RL=4Ω)×1ch can be configured
with one chip.
YDA138 has a “Pure Pulse Direct Speaker Drive Circuit” which directly drives speakers while reducing distortion of
pulse output signal and reducing noise on the signal, and realizes the highest standard low distortion rate characteristics
and low noise characteristics as 10W-class of output digital amplifier IC.
In addition, circuit design with fewer external parts can be made depend on the condition of use because corresponds to
filter less.
YDA138 has 50mW (RL=32Ω)×2ch Class AB headphone amplifiers.
YDA138 provides Over-current protection function for speaker output terminals, IC thermal protection function, POP
noise reduction function, and AM interference measures function as well as power-down function and output mute
function.
Features
Digital Amplifier
Continuous maximum output
10 W×2ch VDDP=12.0V, RL=8Ω, THD+N=10%
20 W×1ch VDDP=12.0V, RL=4Ω, THD+N=10%
Efficiency
www.DataSheet848U.c%omVDDP=12.0V, RL=8Ω, Po=10W
Distortion Rate (THD+N)
0.02 % VDDP=12.0V, RL=8Ω, Po=1.0W
S/N Ratio
103dB VDDP=12.0V, RL=8Ω, Po=10W, VOL[1:0]=H,H
Channel Separation
-70dB VDDP=12.0V, RL=8Ω, VOL[1:0]=H,H
Class AB Headphone Amplifier
Maximum output
50mW×2ch VDDP=12.0V, RL=32Ω, THD+N=10%
Distortion Rate(THD+N)
0.01 % @VDDP=12.0V, RL=32Ω, Pho=30mW
S/N Ratio
95dB VDDP=12.0V, RL=32Ω, Pho=20mW, VOL[1:0]=H,H
Others
Operating power supply range
9.0V to 13.5V
Multi-channel synchronizing operation by
Master/Slave switching function
Carrier frequency switching function
524kHz/466kHz
Sleep function with SLEEPN terminal
Output muting function with MUTEN terminal
Over-current protection function
Thermal protection function
Clock stop detection function
Pop noise reduction function
AM interference measures function
Analog input/BTL (Bridge-Tied Load) output
42-pin plastic SSOP
Pin lead plating with Pd free (YDA138-EZ)
YDA138 CATALOG
CATALOG No.:LSI-4DA138A20
2005.3




YAMAHA CORPORATION

YDA138 Datasheet Preview

YDA138 Datasheet

STEREO 10W DIGITAL AUDIO POWER AMPLIFIER

No Preview Available !

Terminal configuration
YDA138
www.DataSheet4U.com
<42-pin SSOP Top View>
2


Part Number YDA138
Description STEREO 10W DIGITAL AUDIO POWER AMPLIFIER
Maker YAMAHA CORPORATION
Total Page 20 Pages
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