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Yamaha

YDA146 Datasheet Preview

YDA146 Datasheet

Stereo 5W-30W Digital Audio Power Amplifier

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YDA146
D-530
STEREO 5W-30W DIGITAL AUDIO POWER AMPLIFIER
Overview
YDA146 (D-530) is a high-efficiency digital audio power amplifier IC with the maximum output of 30W × 2ch.
YDA146 has a “Pure Pulse Direct Speaker Drive Circuit” that directly drives speakers while reducing distortion of
pulse output signal and reducing noise on the signal, which realizes the highest standard low distortion rate
characteristics and low noise characteristics among digital amplifier ICs in the same class.
In addition, supporting filterless design allows circuit design with fewer external parts to be realized depending on use
conditions.
YDA146 features Power Limit Function, Non-clip Function, and DRC (Dynamic Range Control) Function that were
developed by Yamaha original digital amplifier technology.
YDA146 has overcurrent protection function for speaker output terminals, high temperature protection function, and
lowsupply voltage malfunction prevention function.
Features
Operating supply voltage range
PVDD: 8.0V to 16.5V
Maximum momentary output
30 W×2ch (VDDP=15V, RL=4, THD+N=10%)
20 W×2ch (VDDP=14V, RL=4, THD+N=10%)
Maximum continuous output
15 W*1×2ch
13.5W*1×2ch
(VDDP=15V, RL=8, THD+N=10%, Ta=70°C)
(VDDP=15V, RL=4, THD+N=10%, Ta=25°C)
Distortion Rate (THD+N)
0.02 % (VDDP=12V, RL=8, Po=0.2W, 1kHz)
Residual Noise
48µVrms (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
Efficiency
92 % (VDDP=12V, RL=8)
S/N Ratio
105 dB (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
Channel separation
-80 dB (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
PSRR
60dB (VDDP=12V,Vripple=100mV, 1kHz, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
Non-clip function/DRC function (switchable)
Power limit function
Clock External Synchronization Function
Master/Slave Synchronization Function using clock outputs
Over-current Protection Function, High Temperature Protection Function,
Low Voltage Malfunction Prevention Function, and DC Detection Function
Sleep Function using SLEEPN terminal and Output Mute Function using MUTEN terminal
Spread Clock Function
Pop Noise Reduction Function
Package
Lead-free 48-pin Plastic SQFP (Exposed stage)
Note) *1: A value based on Yamaha's board implementation conditions (See Note *2 of page 26)
YDA146 CATALOG
CATALOG No.:LSI-4DA146A51
2009.1




Yamaha

YDA146 Datasheet Preview

YDA146 Datasheet

Stereo 5W-30W Digital Audio Power Amplifier

No Preview Available !

Terminal Configuration
YDA146www.DataSheet4U.com
< 48-pin SQFP Top View >
2 CATALOG No.:LSI-4DA146A51


Part Number YDA146
Description Stereo 5W-30W Digital Audio Power Amplifier
Maker Yamaha
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YDA146 Datasheet PDF






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