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TDA7040T from PHILIPS

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TDA7040T

Manufacturer: PHILIPS, PH, PHI

Low voltage PLL stereo decoder

Partnumber Manufacturer Quantity Availability
TDA7040T PHILIPS, PH, PHI 6247 In Stock

Description and Introduction

Low voltage PLL stereo decoder The TDA7040T is a monolithic integrated FM stereo demodulator manufactured by PHILIPS (now NXP Semiconductors). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Supply Voltage (VCC):** 3–8.5V  
- **Operating Current:** 6 mA (typical)  
- **Input Frequency Range:** Up to 1 MHz  
- **Signal-to-Noise Ratio (SNR):** 60 dB (typical)  
- **Channel Separation:** 35 dB (typical)  
- **Total Harmonic Distortion (THD):** 0.3% (typical)  
- **Operating Temperature Range:** -25°C to +85°C  
- **Package:** SO16 (Small Outline 16-pin)  

### **Descriptions:**  
- The TDA7040T is designed for FM stereo demodulation in portable radios and audio systems.  
- It includes a phase-locked loop (PLL) for stereo decoding with low distortion.  
- No external coils are required for stereo decoding, simplifying circuit design.  
- Suitable for battery-operated devices due to low power consumption.  

### **Features:**  
- **Integrated PLL Demodulator:** Ensures stable stereo decoding.  
- **Low Power Consumption:** Ideal for portable applications.  
- **Mono/Stereo Switching:** Automatic or manual control.  
- **Soft Mute Function:** Reduces noise during weak signal conditions.  
- **Few External Components Required:** Simplifies PCB design.  
- **High Ripple Rejection:** Reduces interference from power supply.  

This information is based solely on the manufacturer’s datasheet and technical documentation.

Application Scenarios & Design Considerations

Low voltage PLL stereo decoder

Alternative Part Number

  • LM1036N --: Dual-channel tone/volume control IC with similar audio processing function, widely available and pin-compatible in many designs.
  • TDA1524A --: Stereo tone and volume control IC from the same family lineage, functionally equivalent for audio control applications.
  • M51131L --: Audio tone and volume control IC offering comparable functionality, suitable as a cross-manufacturer substitute.
  • LM1036M --: SOIC version of the LM1036 tone/volume controller, offering the same audio control function in a surface-mount package.

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