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YDA137 数据表 (PDF) - YAMAHA CORPORATION

YDA137 Datasheet PDF - YAMAHA CORPORATION
部件名 YDA137
下载  YDA137 下载

文件大小   924.45 Kbytes
  20 Pages
制造商  YAMAHA [YAMAHA CORPORATION]
网页  http://www.yamaha.com
标志 YAMAHA - YAMAHA CORPORATION
功能描述 D- 2 STEREO 5W DIGITAL AUDIO POWER AMPLIFIER

YDA137 Datasheet (PDF)

Go To PDF Page 下载 数据表
YDA137 Datasheet PDF - YAMAHA CORPORATION

部件名 YDA137
下载  YDA137 Click to download

文件大小   924.45 Kbytes
  20 Pages
制造商  YAMAHA [YAMAHA CORPORATION]
网页  http://www.yamaha.com
标志 YAMAHA - YAMAHA CORPORATION
功能描述 D- 2 STEREO 5W DIGITAL AUDIO POWER AMPLIFIER

YDA137 数据表 (HTML) - YAMAHA CORPORATION

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YDA137 产品详情

■ Overview

YDA137 (D-2) is a high efficient digital audio power amplifier IC that operates on a single 5V power supply. With YDA137 in BTL connection, an audio power amplifier with a maximum output of 5W (RL=2Ω )×2ch can be configured with one chip.

YDA137 converts an input analog data into a digital pulse by the digital modulation circuit in the IC and outputs a high current digital pulse from the output buffer circuit. This digital pulse signal is converted into an audio signal by an external low-pass filter and is output to the speaker. Low-distortion rate characteristics and high S/N ratio are realized as a digital amplifier among same class, by adopting Yamaha’s unique modulation system.

In addition, class AB headphone amplifier with output of 20mW (RL=16Ω )×2ch is embedded and switching between digital amplifier output and headphone amplifier output can be done by the control of terminal termination. YDA137 has the over-current protection function for speaker terminals, the high-temperature protection function for IC, and the pop noise rejection function.



■ Features

• High Output Power

   5.0 W @ VDD=5.0V, RL=2Ω , THD+N<10%

   3.7 W @ VDD=5.0V, RL=3Ω , THD+N<10%

   3.0 W @ VDD=5.0V, RL=4Ω , THD+N<10%

• High Efficient Operation

   75 % @ VDD=5.0V, RL=2Ω , Po=5W

   80 % @ VDD=5.0V, RL=3Ω , Po=3W

• Low Distortion Rate (THD+N)

   0.03 % @ 1kHz, RL=2Ω , Po=2.5W

   0.02 % @ 1kHz, RL=3Ω , Po=1.5W

• High S/N Ratio

   105dB @VDD=5.0V, input sensitivity 1.0Vrms, RL=2Ω , Po=5W

   98dB @VDD=5.0V, input sensitivity 150mVrms, RL=2Ω , Po=5W

• IC Low Consumption Current

   25 mA @ VDD=5.0V, no signal (no filter)

   10 mA @ VDD=5.0V, at mute

   1 µA @ VDD=5.0V, at sleep

• CS(Channel Separation)

   80dB @ 1kHz

• Class AB headphone amp. is embedded.

   20mW @ VDD=5.0V, RL=16Ω , THD+N<1.0%

• Arbitral gain setting with external resistor is possible.

• Sleep function by /SLEEP terminal

• Output mute function by /MUTE terminal

• Output Over-Current Protection Function (Ground short-circuit/Load short-circuit)

• Over-Temperature Protection Function

• Auto Resume Function from Over-Current, High-Temperature Protection.

• Monaural Function by /MONO terminal

• Pop Noise Rejection Function at power-up or power-cutoff.

• Analog input / BTL(Bridge-Tied Load) output

• 28pin plastic TSSOP

   pin lead plating with Pd-free (YDA137-AZ)



 




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关于 YAMAHA CORPORATION


Yamaha Corporation是一家日本跨国公司,专门生产各种产品,包括乐器,电子,摩托车和电力产品。

该公司成立于1887年,总部位于日本哈马马村。

雅马哈以其高质量的产品和创新技术而闻名,并且在其运营的行业中享有很高的声誉。

该公司的产品被音乐家和音乐爱好者以及在工业,汽车和发电等许多其他应用中广泛使用。

雅马哈拥有全球业务,并在全球许多国家 /地区经营子公司和销售办事处。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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