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Yamaha

YDA148 Datasheet Preview

YDA148 Datasheet

STEREO 5W-15W DIGITAL AUDIO POWER AMPLIFIER

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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 filter less 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
Maximum continuous output
Distortion Rate (THD+N)
Residual Noise
Efficiency
S/N Ratio
Channel separation
PSRR
15 W×2ch (VDDP=15V, RL=8Ω, THD+N=10%)
15 W*1×2ch (VDDP=15V, RL=8Ω, THD+N=10%, Ta=70°C)
0.01 % (VDDP=12V, RL=8Ω, Po=0.1W, 1kHz)
48μVrms (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
91 % (VDDP=12V, RL=8Ω)
105 dB (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
-80 dB (VDDP=12V, GAIN[1:0]=L,L, NCDRC[1:0]=L,L)
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): YDA148-QZ
Note) *1: A value based on Yamaha's board implementation conditions (See Note *2 of page 27)
YDA148 CATALOG
CATALOG No. LSI-4DA148A70
2014.8




Yamaha

YDA148 Datasheet Preview

YDA148 Datasheet

STEREO 5W-15W DIGITAL AUDIO POWER AMPLIFIER

No Preview Available !

Pin Assignments
Pin Assignments
YDA148
PVDDML
OUTML
OUTML
PVSSL
OUTPL
OUTPL
PVDDPL
26
27
28
29
30
31
32
16 PVDDMR
15 OUTMR
14 OUTMR
13 PVSSR
12 OUTPR
11 OUTPR
10 PVDDPR
< 32-pin QFN Top View >
4DA148A70
2


Part Number YDA148
Description STEREO 5W-15W DIGITAL AUDIO POWER AMPLIFIER
Maker Yamaha
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YDA148 Datasheet PDF






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