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Yamaha - STEREO 5W-15W DIGITAL AUDIO POWER AMPLIFIER

Numéro de référence YDA148
Description STEREO 5W-15W DIGITAL AUDIO POWER AMPLIFIER
Fabricant Yamaha 
Logo Yamaha 





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YDA148 fiche technique
YDA148
D-510
STEREO 5W-15W DIGITAL AUDIO POWER AMPLIFIER
Overview
YDA148 (D-510) is a high-efficiency digital audio power amplifier IC with the maximum output of 15W × 2ch.
YDA148 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.
YDA148 features Power Limit Function, Non-clip Function, and DRC (Dynamic Range Control) Function that were
developed by Yamaha original digital amplifier technology.
YDA148 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
15 W×2ch (VDDP=15V, RL=8, THD+N=10%)
Maximum continuous output
15 W*1×2ch (VDDP=15V, RL=8, THD+N=10%, Ta=70°C)
Distortion Rate (THD+N)
0.01 % (VDDP=12V, RL=8, Po=0.1W, 1kHz)
Residual Noise
48µVrms (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
Efficiency
91 % (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
Stereo/Monaural Switching Function
Spread Clock Function
Pop Noise Reduction Function
Package
Lead-free 32-pin Plastic QFN (Exposed stage)
Note) *1: A value based on Yamaha's board implementation conditions (See Note *2 of page 25)
YDA148 CATALOG
CATALOG No.:LSI-4DA148A31
2007.9
Free Datasheet http://www.Datasheet4U.com

PagesPages 30
Télécharger [ YDA148 ]


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