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TDA8559T from PHILIPS

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TDA8559T

Manufacturer: PHILIPS, PHI

Low-voltage stereo headphone amplifier

Partnumber Manufacturer Quantity Availability
TDA8559T PHILIPS, PHI 56 In Stock

Description and Introduction

Low-voltage stereo headphone amplifier The TDA8559T is a mono BTL (Bridge-Tied Load) audio amplifier manufactured by NXP Semiconductors.  

### **Specifications:**  
- **Output Power:** 1 W (typical) into an 8 Ω load at 5 V supply.  
- **Supply Voltage Range:** 3 V to 6 V.  
- **Quiescent Current:** 4 mA (typical).  
- **Gain Setting:** Fixed at 20 dB (internally set).  
- **THD (Total Harmonic Distortion):** < 0.2% (typical).  
- **Signal-to-Noise Ratio (SNR):** > 80 dB.  
- **Operating Temperature Range:** -40°C to +85°C.  
- **Package:** SO8 (Small Outline 8-pin package).  

### **Descriptions and Features:**  
- **Mono BTL Configuration:** Eliminates the need for an output coupling capacitor.  
- **Low Standby Current:** Suitable for battery-powered applications.  
- **No External Components Required:** Minimal external components needed for operation.  
- **Short-Circuit Protection:** Built-in protection against short circuits.  
- **Thermal Protection:** Shuts down in case of overheating.  
- **Pop-Free Operation:** Soft mute and power-on/off control to avoid audible pops.  
- **Applications:** Portable audio devices, telephones, toys, and other low-power audio systems.  

This information is based on the manufacturer's datasheet. For detailed technical specifications, refer to the official NXP documentation.

Application Scenarios & Design Considerations

Low-voltage stereo headphone amplifier

Alternative Part Number

  • LM4863 --: Dual audio power amplifier with similar low-voltage operation and output power, commonly used as a functional substitute for headphone/speaker driver ICs like the TDA8559T.
  • PAM8403 --: Class-D stereo audio amplifier offering comparable low-voltage audio amplification in a small package, suitable for portable audio applications.
  • TDA2822M --: Widely available dual low-voltage audio power amplifier with similar supply range and output capability, often used as a drop-in alternative in audio circuits.
  • LM4863M --: Dual audio power amplifier in SOIC package with similar supply voltage range and output power, suitable as a functional replacement for headphone/speaker driver applications.

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