LM1875 20W audio amplifier

Audio amplifier offers very little distortion and high-quality performance with 20W delivery on a 4 or 8 ohm load on ±25 V sources. With 8 ohm load and ±30 V sources, 30 W of power can be supplied. The amplifier is designed to work with a minimum of external components. Device overload protection consists of internal current limit and thermal disconnection. The LM1875T/NOPB design leverages advanced circuitry techniques and processing to achieve extremely low distortion levels, even at high output power levels. Other highlights include high gain, high rotational speed and large power bandwidth, large output voltage variation, large current capacity, and a wide power range. The amplifier is internally compensated and stable for gains of 10 or more.

Main features:

• Normally, AVO 90 dB
• Low distortion of 0.015%, 1kHz, 20W
• Large 70kHz power bandwidth
• Protection for short circuits to AC and DC ground
• Thermal protection with talk circuit
• High current capacity from 4 to
• Internal output protection diodes
• 94 dB wave rejection
• Specs
• Amplifier class: B
• Number of channels: 1 channel
• Output power: 25W
• Minimum supply voltage: 16 V
• Maximum supply voltage: 60V
• Load impedance: 8 ohm
• Minimum operating temperature: 0 °C
• Maximum operating temperature: 70 °C
• Encapsulated TO-220
• number of pins: 5