LM1895N 1-Watt Audio Power Amplifier DIP-8 (LM1895N DIP IC)
The LM1895N is a monolithic integrated circuit specifically designed for low-voltage audio power applications. It is capable of delivering up to 1 Watt of power into an 8Ω load when operating from a 6V supply. This IC is highly valued for its wide operating voltage range, extending from as low as 3V up to 15V, making it exceptionally versatile for battery-powered devices. It features high gain and low distortion, providing clear audio amplification with a minimal requirement for external components.
This IC is primarily used in portable AM-FM radios, intercoms, and battery-operated toys. It is a popular component for Arduino electronics projects in India for adding audio output to handheld gadgets, DIY portable speakers, and voice-alert systems where power efficiency and a small footprint are essential.
Key Features
- Delivers up to 1 Watt of output power
- Wide supply voltage range (3V to 15V)
- Low quiescent current drain (typically 8mA)
- High voltage gain (up to 70dB)
- Low total harmonic distortion (THD)
- Internally self-biasing for ease of use
- Short-circuit and thermal overload protection
- Compact 8-pin DIP package for space-saving designs
Specifications
- IC Type = Audio Power Amplifier (Class AB)
- Max Output Power = 1W (at 6V, 8Ω)
- Supply Voltage = 3V to 15V
- Load Impedance = 4Ω to 16Ω
- Voltage Gain = 70dB (Max)
- Package Type = DIP
- Number of Pins = 8
- Mounting Type = Through-Hole
- Operating Temperature = 0 to 70 degrees Celsius
Interfaces
- PIN 1 (NC) = No Connection
- PIN 2 (BYPASS) = Capacitor Connection for Power Supply Rejection
- PIN 3 (+IN) = Non-Inverting Audio Input
- PIN 4 (GND) = Ground (0V)
- PIN 5 (OUT) = Audio Amplifier Output
- PIN 6 (V+) = Positive Supply Voltage
- PIN 7 (NC) = No Connection
- PIN 8 (NC) = No Connection
