參數(shù)資料
型號(hào)： YDA146
元件分類： 音頻／視頻放大
英文描述： 30 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
封裝： LEAD FREE, PLASTIC, SQFP-48
文件頁(yè)數(shù)： 1/32頁(yè)
文件大小： 1181K
代理商： YDA146
YDA146 CATALOG
CATALOG No.:LSI-4DA146A51
2009.1
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 (VDDP=15V, RL=8, THD+N=10%, Ta=70°C)
13.5W*1×2ch (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
48Vrms (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)
相關(guān)PDF資料
PDF描述
YDA147 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP48
YDA148 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32
YDA153-PZ 2.6 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA12
YDA153-QZ 2.6 W, 1 CHANNEL, AUDIO AMPLIFIER, QCC16
YDA158-PZ 2.6 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA30
相關(guān)代理商/技術(shù)參數(shù)
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