Datasheet Details
| Part number | YDA145 |
|---|---|
| Manufacturer | YAMAHA CORPORATION |
| File Size | 1.00 MB |
| Description | MONAURAL 2.1W Non-Clip DIGITAL AUDIO POWER AMPLIFIER |
| Datasheet |
 YDA145 Datasheet
|
|
|
General Description
of operating functions
YDA145 has digital amplifiers with analog input, PWM pulse output, and maximum output of 2.1W(RL=4Ω)×1ch.
Distortion of PWM pulse output signal and noise of the signal is reduced by adopting “Pure Pulse Direct Speaker Drive Circuit”.
Key Features
- m output 2.1 W×1ch (VDD=5.0V, RL=4Ω, THD+N=10%) 0.75 W×1ch (VDD=3.6V, RL=8Ω, THD+N=10%) Distortion Rate (THD+N) 0.03 % (VDD=3.6V, RL=8Ω, Po=0.4W, 1kHz) Residual Noise 45µVrms (VDD=3.6V, Av=18dB) www. DataSheet4U. com Efficiency 84 % (VDD=3.6V, RL=8Ω, Po=600mW) 78 % (VDD=3.6V, RL=8Ω, Po=100mW) S/N Ratio 94dB (VDD=3.6V, Av=18dB) Over-current Protection function Thermal Protection function Low voltage Malfunction Prevention function Pop noise reduction function Power-down control function Power-down.