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TEA2114
Cutting-edge technology for crystal-clear images
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製造商零件號 # : TEA2114
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包裝/封裝: DIP8
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製造商: Stmicroelectronics
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產品分類 : Video Processing
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TEA2114 數據表
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詳細說明
The TEA2114 is a stereo audio amplifier integrated circuit (IC) designed for consumer audio applications. This IC has a wide operating voltage range of 4.5V to 18V, making it suitable for use in a variety of electronic devices. It is capable of delivering an output power of up to 2.5W per channel at 8 ohms, making it ideal for driving small to medium-sized speakers.The TEA2114 features a low quiescent current consumption of only 7mA, which helps to minimize power consumption and extend battery life in portable devices. It also includes built-in thermal shutdown and overcurrent protection circuits to ensure safe operation under various conditions.This IC offers a high signal-to-noise ratio of 65dB, providing clear and distortion-free audio playback. It uses a bridge-tied load (BTL) configuration, allowing it to drive speakers directly without the need for output coupling capacitors.The TEA2114 is housed in a compact 9-pin plastic dual in-line package (DIP), making it easy to incorporate into a wide range of audio circuits. It is a cost-effective solution for adding stereo audio amplification capabilities to consumer electronics such as radios, portable music players, and small speaker systems
主要特徵
- Low voltage operation from 1.8V to 5.5V
- Low power consumption
- Adjustable gain control
- Internal input biasing
- Integrated output short-circuit protection
- Internal fixed frequency PWM controller
- Thermal shutdown protection
- Small package size for space-saving designs
應用
- Audio amplifiers
- Speaker protection circuits
- Audio mixers
- Signal processing systems
- Professional audio equipment
- Home theater systems
- Automotive audio systems
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Product Category ! | Video ICs | Brand | STMicroelectronics |
| Product Type ! | Video ICs | Subcategory | Video ICs |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is TEA2114?
The TEA2114 is a dual bridge-tied load (BTL) audio amplifier integrated circuit (IC) designed by STMicroelectronics. It is commonly used in car audio systems, portable speakers, and other audio amplification applications.
How Does TEA2114 Work?
The TEA2114 operates as a dual BTL audio amplifier, which means it can drive a speaker directly without needing an output coupling capacitor or a large DC-blocking capacitor. This configuration simplifies the overall amplifier design and reduces the number of external components required.
How Many Pins does TEA2114 have and What are the Functions of the Pinout Configuration?
The TEA2114 is available in a 20-pin SSOP (Shrink Small Outline Package) package. The pinout configuration includes:
- VCC: Power supply pin.
- VREF: Reference voltage pin.
- SWP, SWN: Switching output pins for channels A and B.
- INP, INN: Non-inverting and inverting input pins for channels A and B.
- SENSE: Sense input pin for output offset voltage control.
- SVR: Supply voltage rejection input pin.
- NFILT: Noise filter selection pin.
- ST-BY: Standby input pin.
What are the Pros and Cons of TEA2114?
Pros:
- Integrated Design: Combines dual BTL audio amplifiers in a single package, reducing the need for external components.
- Bridge-Tied Load Configuration: Ideal for driving speakers directly, eliminating the need for output coupling capacitors.
- Low Distortion: Provides low distortion and high-quality audio reproduction.
- Wide Supply Voltage Range: Operates over a wide supply voltage range, making it suitable for various applications.
- Thermal Protection: Includes built-in thermal protection for safe operation.
Cons:
- Complexity of Configuration: May require careful consideration of layout and external components for optimal performance.
- Application Specific: Primarily designed for audio amplification applications and may not be suitable for general-purpose amplification.
Are There Any Equivalents/Alternatives to TEA2114 for Recommendation?
- The TDA7377 from STMicroelectronics is a similar dual BTL audio amplifier IC with comparable features.
- Alternatives to the TEA2114 include the TDA1554 from NXP Semiconductors and the BA5406 from ROHM Semiconductor.
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