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YDA138 参数 Datasheet PDF下载

YDA138图片预览
型号: YDA138
PDF下载: 下载PDF文件 查看货源
内容描述: D- 3 10W立体声数字音频功率放大器 [D- 3 STEREO 10W DIGITAL AUDIO POWER AMPLIFIER]
分类和应用: 放大器功率放大器
文件页数/大小: 20 页 / 1199 K
品牌: YAMAHA [ YAMAHA CORPORATION ]
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YDA138
D- 3
STEREO 10W DIGITAL AUDIO POWER AMPLIFIER
■Overview
YDA138 (D-3)
is a high efficient digital audio power amplifier IC that operates with a single 12V power supply.
An audio power amplifier with a maximum output of 10W (R
L
=8Ω)×2ch or 20W (R
L
=4Ω)×1ch can be configured
with one chip.
YDA138 has a “Pure Pulse Direct Speaker Drive Circuit” which directly drives speakers while reducing distortion of
pulse output signal and reducing noise on the signal, and realizes the highest standard low distortion rate characteristics
and low noise characteristics as 10W-class of output digital amplifier IC.
In addition, circuit design with fewer external parts can be made depend on the condition of use because corresponds to
filter less.
YDA138 has 50mW (R
L
=32Ω)×2ch Class AB headphone amplifiers.
YDA138 provides Over-current protection function for speaker output terminals, IC thermal protection function, POP
noise reduction function, and AM interference measures function as well as power-down function and output mute
function.
■Features
Digital Amplifier
・Continuous
maximum output
10 W×2ch
@V
DDP
=12.0V, R
L
=8Ω, THD+N=10%
20 W×1ch
@V
DDP
=12.0V, R
L
=4Ω, THD+N=10%
・Efficiency
88
% @V
DDP
=12.0V, R
L
=8Ω, Po=10W
・Distortion
Rate (THD+N)
0.02 %
@V
DDP
=12.0V, R
L
=8Ω, Po=1.0W
・S/N
Ratio
103dB
@V
DDP
=12.0V, R
L
=8Ω, Po=10W, VOL[1:0]=H,H
・Channel
Separation
-70dB
@V
DDP
=12.0V, R
L
=8Ω, VOL[1:0]=H,H
Class AB Headphone Amplifier
・Maximum
output
50mW×2ch
@V
DDP
=12.0V, R
L
=32Ω, THD+N=10%
・Distortion
Rate(THD+N)
0.01
% @V
DDP
=12.0V, R
L
=32Ω, P
ho
=30mW
・S/N
Ratio
95dB
@V
DDP
=12.0V, R
L
=32Ω, P
ho
=20mW, VOL[1:0]=H,H
Others
・Operating
power supply range
9.0V to 13.5V
・Multi-channel
synchronizing operation by
Master/Slave switching function
・Carrier
frequency switching function
524kHz/466kHz
・Sleep
function with SLEEPN terminal
・Output
muting function with MUTEN terminal
・Over-current
protection function
・Thermal
protection function
・Clock
stop detection function
・Pop
noise reduction function
・AM
interference measures function
・Analog
input/BTL (Bridge-Tied Load) output
・42-pin
plastic SSOP
Pin lead plating with Pd free (YDA138-EZ)
YDA138 CATALOG
CATALOG No.:LSI-4DA138A20
2005.3