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Description
YDA139-EZE2 is a digital audio power amplifier IC in the IC Chips category. It has a maximum output of 2.5W (RL=4Ω)×2ch. The YDA139-EZE2 features a "Pure Pulse Direct Speaker Drive Circuit" that directly drives speakers while reducing distortion of the pulse output signal and minimizing noise on the signal. This results in low distortion rate characteristics and low noise characteristics compared to other output digital amplifier ICs. It also has a power-down function to minimize power consumption in standby mode and a high-speed recovery function that allows for recovery within 1ms from the power-down state. Other features include Over-current Protection, IC Thermal Protection, and POP Noise Reduction. The YDA139-EZE2 supports both digital signal input and analog signal input.
Specifications and features
- Maximum output: 2.5 W×2ch (VDDP=VDDA=5.0V, RL=4Ω, THD+N=10%)
- Efficiency: 91% (Analog input mode, VDDP=VDDA=5.0V, RL=8Ω, Po=1.5W)
- Distortion Rate (THD+N): 0.03% (Analog input mode, VDDP=VDDA=5.0V, RL=8Ω, Po=0.65W)
- S/N Ratio: 99dB (Analog input mode, VDDP=VDDA=5.0V, Gain[1:0]=L,L)
- Over-current Protection function
- Thermal Protection function
- Low voltage Malfunction Prevention function
- Power-down function by PDN terminal
- Power-down High-speed Recovery function
- Package: Lead-free 24-pin SSOP (YDA139-EZ)
Application Scenarios
The YDA139-EZE2 is ideal for various applications such as audio equipment, portable speakers, and audio systems in automobiles. Its low distortion rate and low noise characteristics make it suitable for high-quality audio output.
Comparison
Advantages- High efficiency of 91% in analog input mode
- Low distortion rate of 0.03% in analog input mode
- Over-current Protection and Thermal Protection functions
- Power-down function with high-speed recovery
Disadvantages- Only supports digital signal input and analog signal input
- Maximum output of 2.5W may not be sufficient for some high-power applications
- Package size limited to lead-free 24-pin SSOP
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
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Popular parts of the same kind
- Datasheet: Download YDA139-EZE2
- Chipdatas Part: CD88-YDA139-EZE2
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 21:25 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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