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YAMAHA CORPORATION

YDA142 Datasheet Preview

YDA142 Datasheet

DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER

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YDA142
D- 3D
DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER
Overview
YDA142 (D-3D) is a 12V single supply voltage, high-efficiency digital audio power amplifier IC.
An audio power amplifier with a maximum output of 9.5W (RL=8) × 2ch or 19W (RL=4) × 1ch can be configured with
one chip.
YDA142 has a “Pure Pulse Direct Speaker Drive Circuit” that directly drives speakers while reducing distortion of a pulse
output signal and reducing noise on a signal, and it realizes the highest standard low distortion rate characteristics and low
noise characteristics as compared with those of digital amplifier ICs in the same class. The circuit allows you to design a
circuit with as few external parts as possible depending on use conditions because any filter is no longer required.
It is possible to input a left-justified or right-justified 16bit/8bit digital audio signal of 32kHz, 44.1kHz, or 48kHz.
In addition, YDA142 has a gain setting function in 32-level (analog setting) or 8-level (terminal setting).
YDA142 has Over-current Protection function for speaker output terminals, IC Thermal Protection function, POP Noise
Reduction function, and DC Input Detection function as well as Power-down function and Output Disable function.
Features
Maximum Output
9.5 W×2ch (VDDP=12.0V, RL=8, THD+N=10%, MONO=L, GAIN[2:0]=H,L,L)
19 W×1ch (VDDP=12.0V, RL=4, THD+N=10%, MONO=H, GAIN[2:0]=H,L,L)
Efficiency
90 % (VDDP=12.0V, RL=8, Po=9.5W)
Distortion Rate (THD+N)
0.05 % (VDDP=12.0V, RL=8, Po=1.0W, GAIN[2:0]=H,L,L)
www.DataSheSe/tN4UR.caotmio
100dB (VDDP=12.0V, RL=8, Po=9.5W, GAIN[2:0]=H,L,L)
Channel Separation Ratio
-78dB (VDDP=12.0V)
Supply voltage Range
9.0V to 13.5V
3-wire Digital Signal Input
Fs: 32kHz/44.1kHz or 48kHz, Bits: 16bit or 18bit
Gain Setting Function with GAIN[2:0] and GAINA terminal
Power-down Function with SLEEPN terminal
Output Mute Function with MUTEN terminal
Monaural Output Function with MONO terminal
Protection Functions (Over-current Protection, Thermal Protection, Clock Stop protection, Under-voltage Malfunction
Prevention, DC Input Detection)
Pop-noise Reduction Function
Digital Input/BTL(Bridge-Tied Load) output
Package
Lead-free 52-pin SSOP (YDA142-EZ)
YDA142 CATALOG
CATALOG No.:LSI-4DA142A20
2006.4




YAMAHA CORPORATION

YDA142 Datasheet Preview

YDA142 Datasheet

DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER

No Preview Available !

Terminal configuration
YDA142
www.DataSheet4U.com
<52-pin SSOP Top View>
2


Part Number YDA142
Description DIGITAL INPUT STEREO 9.5W DIGITAL AUDIO POWER AMPLIFIER
Maker YAMAHA CORPORATION
Total Page 18 Pages
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