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Description
YDA144B-PZE2 is a digital audio power amplifier IC designed for mobile use. It features a maximum output of 2.1W (RL=4Ω)×2ch and a "Pure Pulse Direct Speaker Drive Circuit" that reduces distortion of the pulse output signal and minimizes noise. Compared to other digital amplifier ICs, the YDA144B-PZE2 offers superior low-distortion and low-noise characteristics. It also has a Yamaha original non-clip output control function that automatically detects and suppresses output signal clip caused by over-level input signals. Additionally, this IC can adapt to output clip caused by power supply voltage down with battery. The attack time and release time can be adjusted externally using resistances or capacitances. The YDA144B-PZE2 is available in two package options: Lead-free 16-ball WLCSP (YDA144-WZ) and Lead-free 20-pin QFN (YDA144-QZ).
Specifications and features
- Maximum output: 2.1W×2ch (VDDP=VDDA=5.0V, RL=4Ω, THD+N=10%)
- Distortion Rate (THD+N): 0.03% (VDDP=VDDA=3.6V, RL=8Ω, Po=0.4W, 1kHz)
- Residual Noise: 40µVrms (VDDP=VDDA=3.6V, Av=12dB)
- Efficiency: 84% (VDDP=VDDA=3.6V, RL=8Ω, Po=600mW), 78% (VDDP=VDDA=3.6V, RL=8Ω, Po=100mW)
- S/N Ratio: 95dB (VDDP=VDDA=3.6V, Av=12dB)
- Channel separation: 95dB (VDDP=VDDA=3.6V, RL=8Ω, Av=18dB, 1kHz)
- Other features: Over-current Protection function, Thermal Protection function, Low voltage Malfunction Prevention function, 2ch independent power-down control function, Power-down High speed Recovery function
Application Scenarios
The YDA144B-PZE2 is commonly used in applications where digital audio power amplification is required for mobile devices and compact audio systems. Some potential application scenarios include:
- Smartphones
- Tablets
- Portable speakers
- Bluetooth headsets
- MP3 players
- Laptop computers
Comparison
Advantages- Superior low-distortion and low-noise characteristics compared to other digital amplifier ICs for mobile use
- Yamaha original non-clip output control function helps prevent output signal clip caused by over-level input signals
- Ability to adapt to output clip caused by power supply voltage down with battery
Disadvantages- Limited maximum output power compared to some other amplifier ICs
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
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Popular parts of the same kind
- Datasheet: Download YDA144B-PZE2
- Chipdatas Part: CD91-YDA144B-PZE2
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 13:00 +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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