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YDA144 - STEREO 2.1W Non-Clip DIGITAL AUDIO POWER AMPLIFIER

Description

of operating functions

YDA144 has digital amplifiers with analog and digital input, PWM pulse output, Maximum output of 2.1W(RL=4Ω)×2ch.

Features

  • Yamaha original non-clip output control function which detects output signal clip due to the over level input signal and suppress the output signal clip automatically. Also the non-clip output control function can adapt the output clip caused by power supply voltage down with battery. This is the difference from the traditional AGC (Auto Gain Control) or ALC (Auto Level Control) circuit. Attack time and release time can be freely set by external resistances or capacitances. The independent power.

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Datasheet preview – YDA144

Datasheet Details

Part number YDA144
Manufacturer YAMAHA CORPORATION
File Size 1.19 MB
Description STEREO 2.1W Non-Clip DIGITAL AUDIO POWER AMPLIFIER
Datasheet download datasheet YDA144 Datasheet
Additional preview pages of the YDA144 datasheet.

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Full PDF Text Transcription

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YDA144 D- 4N STEREO 2.1W Non-Clip DIGITAL AUDIO POWER AMPLIFIER Overview YDA144 (D-4N) is a digital audio power amplifier IC with maximum output of 2.1W (RL=4Ω)×2ch. YDA144 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 among digital amplifier ICs for mobile use. In addition, circuit design with fewer external parts can be made depend on the condition of use because corresponds to filter less. The YDA144 features Yamaha original non-clip output control function which detects output signal clip due to the over level input signal and suppress the output signal clip automatically.
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