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TEA1114AT/C3 from PHILIPS

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TEA1114AT/C3

Manufacturer: PHILIPS, PHILIPS Pb-free

TEA1114A; Low voltage telephone transmission circuit with dialler interface and regulated strong supply

Partnumber Manufacturer Quantity Availability
TEA1114AT/C3,TEA1114ATC3 PHILIPS, PHILIPS Pb-free 7218 In Stock

Description and Introduction

TEA1114A; Low voltage telephone transmission circuit with dialler interface and regulated strong supply The TEA1114AT/C3 is a low-voltage telephone transmission circuit manufactured by PHILIPS (now NXP Semiconductors).  

### **Specifications:**  
- **Supply Voltage Range:** 1.8V to 12V  
- **Operating Temperature Range:** -25°C to +75°C  
- **Package:** SO16 (Small Outline 16-pin)  
- **Power Consumption:** Low power consumption for battery-operated devices  
- **Line Impedance:** Adjustable to match different line conditions  
- **Gain Control:** Automatic gain control (AGC) for stable signal levels  

### **Descriptions:**  
- Designed for use in telephone sets and other telecommunication applications.  
- Provides amplification and signal conditioning for both transmit and receive paths.  
- Includes a built-in sidetone suppression circuit to reduce feedback.  
- Suitable for low-voltage operation, making it ideal for portable devices.  

### **Features:**  
- **Low-Voltage Operation:** Works efficiently with supply voltages as low as 1.8V.  
- **Integrated Line Driver:** Reduces external component count.  
- **Adjustable Sidetone:** Allows customization of sidetone levels.  
- **Compatible with Standard Telephone Lines:** Supports typical line impedances.  
- **Overvoltage Protection:** Protects against voltage spikes on the telephone line.  

This IC is commonly used in corded and cordless telephone systems, answering machines, and other voice communication devices.

Application Scenarios & Design Considerations

TEA1114A; Low voltage telephone transmission circuit with dialler interface and regulated strong supply

Alternative Part Number

  • MC34018P --: Speech network IC with similar function to the TEA1114A, commonly used as a substitute in telephone speech circuits.
  • LS1240A --: Telephone speech network and tone ringer IC offering comparable functionality for line-powered telephone applications.
  • MC34119P --: Low-voltage audio amplifier often used in telephone handset circuits as a functional alternative where the speech network is split.
  • MC34014P --: Speech network IC with similar telephone line interface function, widely used as a substitute in analog telephone designs.
  • MC34114P --: Speech network IC in the same functional family, suitable as a replacement where pinout and supply conditions match.

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