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YAMAHA CORPORATION

YDA143 Datasheet Preview

YDA143 Datasheet

STEREO 15W DIGITAL AUDIO POWER AMPLIFIER

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YDA143
D- 3M
STEREO 15W DIGITAL AUDIO POWER AMPLIFIER
Overview
YDA143 (D-3M) 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 15W (RL=4) 2ch can be configured with one chip.
YDA143 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 15W-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.
YDA143 has 50mW (RL=32) 2ch Class AB headphone amplifiers.
YDA143 provides Over-current protection function for speaker output terminals, IC thermal protection function, and POP
noise reduction function as well as power-down function and output mute function.
Features
Digital Amplifier
Continuous maximum output
15 W×2ch (VDDP=12.0V, RL=4, THD+N=10%
Efficiency
87 % (VDDP=12.0V, RL=4, Po=15W)
Distortion Rate (THD+N)
0.04 % (VDDP=12.0V, RL=4, Po=1.5W)
www.DataSheSet/4NU.Rcoamtio
103dB (VDDP=12.0V, RL=4, Po=15W, GAIN[1:0]=H,H)
Channel Separation
-65dB (VDDP=12.0V, RL=4, GAIN[1:0]=H,H)
Class AB Headphone Amplifier
Maximum output
50mW×2ch (VDDP=12.0V, RL=32, THD+N=10 %
Distortion Rate(THD+N)
0.01 % (VDDP=12.0V, RL=32, Pho=25mW)
S/N Ratio
95dB (VDDP=12.0V, RL=32, Pho=50mW, GAIN[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 protection function
Pop noise reduction function
Analog input/BTL (Bridge-Tied Load) output
Lead-free 52-pin SSOP (YDA143-EZ)
YDA143 CATALOG
CATALOG No.:LSI-4DA143A20
2006.6




YAMAHA CORPORATION

YDA143 Datasheet Preview

YDA143 Datasheet

STEREO 15W DIGITAL AUDIO POWER AMPLIFIER

No Preview Available !

Terminal configuration
YDA143
www.DataSheet4U.com
<52-pin SSOP Top View>
2


Part Number YDA143
Description STEREO 15W DIGITAL AUDIO POWER AMPLIFIER
Maker YAMAHA CORPORATION
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YDA143 Datasheet PDF






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