LM380N - 2-Watt Audio Power Amplifier

LM380N 2-Watt Audio Power Amplifier IC

The LM380N is a versatile 2-watt audio power amplifier designed for a wide range of consumer applications. It simplifies circuit design with an internally fixed gain of 34 dB, eliminating the need for external feedback components. A unique input stage allows for direct ground-referenced inputs, enhancing flexibility in various setups. The output automatically self-centers to half the supply voltage, ensuring stable operation. Built for reliability, the LM380N features short-circuit protection and internal thermal limiting. Its standard dual-in-line package includes a copper lead frame with integrated heat sinking, making it easy to implement in standard PCB layouts. This robust IC is perfect for driving speakers in intercoms, small radios, and teaching machines, delivering clear and consistent audio performance. Experience dependable audio amplification with minimal external components.

Specifications:

• Output Power: 2.5W (typical)
• Voltage Gain: 34 dB (fixed)
• Supply Voltage Range: 8V to 22V
• Input Impedance: 150 kΩ
• Output Current: 1.3A (peak)
• Bandwidth: 100 kHz
• Total Harmonic Distortion (THD): 0.2% (at 1W)
• Package Type: DIP-14

Key features and benefits:

• 2-Watt (2.5W typical) audio power output
• Internally fixed voltage gain of 34 dB
• Ground-referenced input capability
• Automatic output self-centering to half supply voltage
• Short-circuit proof output with internal thermal limiting
• Wide supply voltage range (e.g., 8V to 22V)
• Standard dual-in-line package with integrated heat sink
• Low quiescent power drain

Applications:

• Phonograph amplifiers
• Intercom systems
• TV sound systems
• AM-FM radio applications
• Ultrasonic drivers
• Small servo drivers

Package Includes:

*Image shown is a representation only.

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