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TEA1114A from PHILIPS

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TEA1114A

Manufacturer: PHILIPS, PHI

Low voltage telephone transmission circuit with dialler interface and regulated strong supply
Partnumber Manufacturer Quantity Availability
TEA1114A PHILIPS, PHI 556 In Stock

Description and Introduction

Low voltage telephone transmission circuit with dialler interface and regulated strong supply The TEA1114A is a telephone transmission circuit manufactured by Philips (PHI). Below are the specifications, descriptions, and features based on the available knowledge:

### **Specifications:**  
- **Manufacturer:** Philips (PHI)  
- **Type:** Telephone Transmission Circuit (IC)  
- **Technology:** Bipolar  
- **Package:** DIP (Dual In-line Package)  
- **Operating Voltage:** Typically 3V to 12V (varies based on application)  
- **Current Consumption:** Low power consumption for line-powered operation  
- **Operating Temperature Range:** Industrial-grade range (typically -25°C to +70°C)  

### **Descriptions:**  
The TEA1114A is an integrated circuit designed for telephone applications, providing essential functions for speech transmission and signaling in analog telephony. It includes features such as line voltage regulation, microphone amplification, and earpiece drive circuitry.  

### **Features:**  
- **Line Voltage Regulation:** Ensures stable operation under varying line conditions.  
- **Microphone Amplifier:** Includes a built-in preamplifier for the microphone input.  
- **Earpiece Driver:** Provides sufficient gain for the receiver (earpiece).  
- **DTMF Compatibility:** Supports dual-tone multi-frequency (DTMF) signaling.  
- **Low Power Consumption:** Suitable for line-powered telephones.  
- **Hook Switch Control:** Manages on/off-hook transitions.  
- **Adjustable Gain:** Allows customization of transmit and receive levels.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • MC34018P --: Speech network IC with similar speakerphone/telephone line interface function, widely used as a TEA1114A substitute in telephone designs.
  • LM3962N --: Telephone speech circuit providing comparable line interface and amplification functions, pin-compatible in many applications.
  • TCA3385 --: Telephone speech network IC from a different series with equivalent functionality for line-powered telephone sets.
  • MC145447P --: Pin-compatible tone/pulse dialer IC with similar telephone speech circuit function, widely used as a TEA1114A substitute in telephone sets.
  • UAA1076 --: Telephone speech and dialer circuit from the same application family, offering comparable line interface and dialing functions.
  • LS1240 --: Telephone tone ringer/dialer IC with similar telephone line interface characteristics, usable in many circuits designed for the TEA1114A.

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