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LM4700TF
Audio Amplifier Circuit with 11 Pins in Plastic ZIP Package
LM4700TF
Audio Amplifier Circuit with 11 Pins in Plastic ZIP Package
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製造商零件號 # : LM4700TF
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包裝/封裝: TO-220
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製造商: Texas Instruments
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產品分類 : Audio Amplifiers
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LM4700TF 數據表
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詳細說明
In any high-quality audio system, the LM4700TF stands out as a reliable and high-performance component that guarantees an excellent listening experience. Whether you are a music enthusiast or a movie buff, this IC's superior performance and protection features make it a standout choice for your audio needs. Trust in the LM4700TF to deliver unparalleled sound quality and reliability for your home theater or audio setup
主要特徵
- High Current Output Capability: 30A peak, 20A continuous
- Wide Supply Voltage Range: 2.5V to 26V
- Low Quiescent Current: 3.5mA
- Thermal Shutdown Protection
- Short Circuit Protection
- Overvoltage Protection
應用
- Audio amplification in car stereo systems
- Home theater systems
- Professional audio equipment
- Public address systems
- Industrial audio amplifiers
- Audio mixers and consoles
- Amplified musical instruments
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 ! | Audio Amplifiers | Product | Audio Amplifiers |
| Class | Class-AB | Output Power ! | 30 W |
| Package / Case | TO-220 | Audio - Load Impedance | 8 Ohms |
| THD plus Noise | 0.08 % | Supply Voltage - Max | 64 V |
| Supply Voltage - Min | 20 V | Minimum Operating Temperature | - 20 C |
| Maximum Operating Temperature ! | + 85 C | Brand | Texas Instruments |
| CMRR - Common Mode Rejection Ratio | 80 dB | Description/Function | Speaker |
| Dual Supply Voltage | +/- 12 V, +/- 15 V, +/- 18 V, +/- 24 V, +/- 28 V | GBP - Gain Bandwidth Product | 7.5 MHz |
| Height | 10.64 mm | Ib - Input Bias Current | 500 nA |
| Input Type | Differential | Length | 20.02 mm |
| Maximum Dual Supply Voltage | +/- 32 V | Minimum Dual Supply Voltage | +/- 10 V |
| Operating Supply Voltage ! | 18 V | Output Signal Type | Single |
| Output Type | 1-Channel Mono | Pd - Power Dissipation | 62.5 W |
| Product Type ! | Audio Amplifiers | PSRR - Power Supply Rejection Ratio | 115 dB |
| Subcategory | Audio ICs | Supply Type | Single, Dual |
| Vos - Input Offset Voltage | 15 mV | Width | 4.5 mm |
| Unit Weight | 0.081130 oz |
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 LM4700TF?
The LM4700TF is a high-performance audio power amplifier designed by Texas Instruments. It is ideal for use in high-fidelity audio systems, professional audio equipment, and home theater applications.
How Does LM4700TF Work?
The LM4700TF operates as a high-power audio amplifier capable of delivering clean and high-fidelity audio signals to speakers. It utilizes a bridge-tied load (BTL) configuration to drive speakers with high efficiency and power. The amplifier's high output power and low distortion make it suitable for demanding audio applications.
How Many Pins does LM4700TF have and What are the Functions of the Pinout Configuration?
The LM4700TF is housed in a 15-lead Multiwatt package. The pinout configuration includes:
- Vs+: Positive power supply pin.
- Vs-: Negative power supply pin.
- IN-: Inverting input pin.
- IN+: Non-inverting input pin.
- MODE: Operating mode select pin.
- SLAVE: Slave select pin.
- MUTE: Mute control pin.
- OUT1: Bridge output 1.
- OUT2: Bridge output 2.
- OUT3: Bridge output 3.
- OUT4: Bridge output 4.
What are the Pros and Cons of LM4700TF?
Pros:
- High Output Power: Capable of driving high-power audio systems with high efficiency.
- Low Distortion: Provides clean and high-fidelity audio reproduction.
- Bridge-Tied Load Configuration: Maximizes power efficiency and output capability.
- Thermal Shutdown Protection: Includes thermal shutdown and overvoltage protection for reliable operation.
- Flexible Operating Modes: Supports multiple operating modes for different system configurations.
Cons:
- External Components: May require additional components such as heat sinks and protection circuitry for optimal performance and reliability.
- Complexity: BTL amplifier configurations may require additional design considerations for effective implementation.
Are There Any Equivalents/Alternatives to LM4700TF for Recommendation?
- The TDA7294 from STMicroelectronics is a similar high-power audio amplifier with comparable performance.
- Alternatives to the LM4700TF include the TPA3251 from Texas Instruments and the STA540 from STMicroelectronics.
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