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MC34119DR2
+物料清單Audio Amplifiers LIN SPKR PHN AMP
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製造商恩智浦電晶體
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製造商部分 #MC34119DR2
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有存貨14927
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規格
| 屬性 | 價值 |
| Packaging | Reel |
概述
Description
Key features of the MC34119DR2 include low total harmonic distortion, wide operating voltage range (from 2V to 16V), and low quiescent current, which is beneficial for extending battery life in portable devices. It also has an internal thermal shutdown and short-circuit protection to ensure reliability and safety.
The IC is available in a small, surface-mount package, making it convenient for space-constrained applications. Typical uses include small radios, portable speakers, and other audio amplification needs where space and power efficiency are critical.
Overall, the MC34119DR2 is valued for its simplicity, reliability, and efficiency in low-power audio applications.
Equivalent
1. LM4861 from Texas Instruments
2. TDA7052 from NXP Semiconductors
3. NJM2073 from New Japan Radio (NJR)
4. MAX9710 from Maxim Integrated
These alternatives offer similar functions and can serve as replacements in various applications, but it's essential to verify their specifications and pin compatibility for your specific project requirements.
Features
1. Low Voltage Operation: It can operate efficiently with low voltage, making it suitable for battery-powered devices.
2. High Power Supply Rejection Ratio (PSRR): This ensures minimal noise from the power supply, improving sound quality.
3. Low Total Harmonic Distortion (THD): It provides high-quality audio output with minimal distortion.
4. Output Power: Capable of delivering a decent amount of power to drive small speakers effectively.
5. Shutdown Functionality: Includes a low-power shutdown mode to conserve energy when not in use.
6. Fixed Voltage Gain: Simplifies design by providing a preset gain level.
7. Thermal Protection: Built-in thermal protection prevents damage from overheating.
8. Short Circuit Protection: Safeguards the device against electrical shorts.
9. Surface Mount Package: Available in a compact surface-mount package for space-saving PCB designs.
These features make the MC34119DR2 ideal for portable audio devices, communication equipment, and other applications requiring efficient, high-quality audio amplification.
Pinout
1. Input (+): Non-inverting audio input.
2. Input (-): Inverting audio input.
3. Bypass: Used to bypass the internal biasing circuitry, connecting a capacitor here can help minimize power supply noise.
4. VCC: Positive power supply voltage.
5. Gain: Used to set the gain of the amplifier, often adjusted with external resistors.
6. GND: Ground connection.
7. Output: Audio output to the speaker or other connected device.
8. Shutdown: When connected to a low voltage, puts the amplifier in a low-power shutdown mode.
The MC34119 is particularly popular for its low quiescent current and efficient operation, making it suitable for battery-powered applications.
Manufacturer
Application
1. Portable Audio Devices: Used in battery-powered equipment such as portable speakers, headphones, and personal audio players.
2. Communications Equipment: Integrated into devices like radios and transceivers for audio amplification.
3. Consumer Electronics: Used in televisions, set-top boxes, and other audio-enabled consumer products.
4. Automotive Audio Systems: Employed in car audio applications due to its ability to operate efficiently in battery-powered environments.
These applications leverage the IC's low voltage operation and low distortion characteristics.