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TDA7231A from STM,ST Microelectronics

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TDA7231A

Manufacturer: STM, ST,ST

1.6W AUDIO AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA7231A STM, ST,ST 20030 In Stock

Description and Introduction

1.6W AUDIO AMPLIFIER The TDA7231A is an integrated circuit (IC) manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (STM)  
- **Type:** Audio Amplifier IC  
- **Package:** DIP-8 (Dual In-line Package)  
- **Operating Voltage Range:** 1.8V to 15V  
- **Output Power:** 1W (at 9V, 8Ω, THD = 10%)  
- **Quiescent Current:** 9mA (typical)  
- **Total Harmonic Distortion (THD):** 0.3% (typical at 1W, 8Ω)  
- **Frequency Response:** 40Hz to 20kHz  
- **Gain:** 39dB (fixed)  
- **Load Impedance:** 8Ω (recommended)  

### **Descriptions:**
- The TDA7231A is a low-voltage audio power amplifier designed for portable audio applications.  
- It is suitable for battery-powered devices due to its low quiescent current and wide operating voltage range.  
- The IC features short-circuit protection and thermal shutdown for reliability.  

### **Features:**
- Low voltage operation (down to 1.8V)  
- Low quiescent current  
- No external components required for operation (minimal external circuitry)  
- Built-in thermal shutdown protection  
- Short-circuit protection  
- High gain (39dB fixed)  
- Suitable for portable radios, cassette players, and other battery-operated audio devices  

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

Application Scenarios & Design Considerations

1.6W AUDIO AMPLIFIER

Alternative Part Number

  • LM386N-1 --: Widely available low-voltage audio power amplifier in the same class, pin-compatible in many circuits and easy to source.
  • TDA2822M --: Dual low-voltage audio amplifier from the same vendor family, suitable for similar low-power audio applications.
  • NJM386D --: Alternative low-voltage audio power amplifier with comparable output power and supply range, useful as a second source.
  • NJM2073D --: Low-voltage audio power amplifier in DIP-8 with similar supply range and output capability, suitable as a functional replacement.

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