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TEA1083 from PHILIPS

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TEA1083

Manufacturer: PHILIPS

Call progress monitor for line powered telephone sets

Partnumber Manufacturer Quantity Availability
TEA1083 PHILIPS 1367 In Stock

Description and Introduction

Call progress monitor for line powered telephone sets The TEA1083 is a telephone speech and dialing circuit manufactured by PHILIPS. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Supply Voltage:** 3.5V to 6V  
- **Current Consumption:** Typically 1.5mA (standby mode)  
- **Operating Temperature Range:** -25°C to +75°C  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions:**
- Designed for use in telephone sets with pulse or tone dialing.  
- Integrates speech transmission, reception, and dialing functions.  
- Compatible with both electret and dynamic microphones.  
- Includes an adjustable sidetone suppression circuit.  

### **Features:**
1. **Speech Network:**  
   - Balanced microphone amplifier.  
   - Adjustable sidetone cancellation.  
   - Built-in line impedance matching.  

2. **Dialing Interface:**  
   - Supports both pulse (loop disconnect) and DTMF (tone) dialing.  
   - Muting output during dialing.  

3. **Low Power Consumption:**  
   - Optimized for battery-powered applications.  

4. **Other Functions:**  
   - Line loss compensation.  
   - Hook switch detection.  

This IC was commonly used in landline telephones for handling speech and dialing functions efficiently.

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