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TEA1118M from PHILIPS

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TEA1118M

Manufacturer: PHILIPS, PH

Versatile cordless transmisssion circuit

Partnumber Manufacturer Quantity Availability
TEA1118M PHILIPS, PH 40170 In Stock

Description and Introduction

Versatile cordless transmisssion circuit The TEA1118M is a telephone speech network IC manufactured by Philips (now NXP Semiconductors). Here are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **PH (Philips Semiconductors, now NXP Semiconductors)**  

### **Specifications:**  
- **Type:** Low-voltage telephone speech network IC  
- **Operating Voltage:** 1.8V to 12V (for line-powered applications)  
- **Current Consumption:** Low quiescent current  
- **Gain Control:** Adjustable transmit and receive gain  
- **Line Impedance:** Adaptive to different line conditions  
- **DTMF Compatibility:** Supports dual-tone multi-frequency signaling  
- **Package:** Typically available in DIP (Dual In-line Package) or SO (Small Outline)  

### **Descriptions:**  
- Designed for use in telephone handsets and communication devices.  
- Integrates essential functions such as microphone amplification, sidetone suppression, and line interface.  
- Suitable for both fixed-line and cordless telephone applications.  

### **Features:**  
- **Low Voltage Operation:** Works efficiently in line-powered applications.  
- **Balanced Microphone Input:** Reduces noise interference.  
- **Automatic Gain Control (AGC):** Maintains stable signal levels.  
- **Sidetone Cancellation:** Minimizes echo for clearer voice transmission.  
- **Hook Switch Detection:** Supports on/off-hook signaling.  
- **Compatible with Standard Telephony Protocols:** Works with pulse and tone dialing systems.  

This information is based on the original Philips/NXP datasheet for the TEA1118M.

Application Scenarios & Design Considerations

Versatile cordless transmisssion circuit

Alternative Part Number

  • MC34118DW --: Speech network IC with similar speakerphone function, widely used as a direct functional substitute for TEA1118 in telephone circuits.
  • MC33218ADW --: Comparable telephone speech circuit offering similar gain and interface characteristics, suitable drop-in replacement in many designs.
  • TEA1062 --: Well-known telephone transmission IC from a different series, commonly used as an alternative speech network solution.
  • MC34018DW --: Speech network IC with similar speakerphone/telephone line interface function, widely available as a functional substitute.
  • TCA3385 --: Telephone speech circuit IC comparable to the TEA1118 family, suitable for line-powered telephone designs.

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