The part LA4140 is a monolithic integrated circuit manufactured by SANYO. Below are the factual specifications, descriptions, and features from the Manufactor Datasheet:
Specifications:
- Type: Audio Power Amplifier IC
- Package: SIP (Single In-line Package)
- Number of Pins: 10
- Operating Voltage Range: 5V to 12V
- Output Power: 2.3W (typical at 9V, 8Ω load, 10% THD)
- Quiescent Current: 15mA (typical)
- Total Harmonic Distortion (THD): 0.3% (typical at 1W output)
- Frequency Response: 20Hz to 20kHz
- Load Impedance: 8Ω (recommended)
Descriptions:
- The LA4140 is a compact audio power amplifier IC designed for low-voltage applications.
- It is commonly used in portable audio devices, radios, and small speaker systems.
- The IC includes built-in thermal shutdown and overvoltage protection.
Features:
- Low Voltage Operation: Works efficiently at supply voltages as low as 5V.
- Low Quiescent Current: Ensures minimal power consumption in standby mode.
- Built-in Audio Mute Function: Allows for noise-free switching.
- Thermal Protection: Prevents damage due to overheating.
- Minimal External Components: Requires few external parts for operation.
- Compact Design: Suitable for space-constrained applications.
This information is based solely on the manufacturer's datasheet for the LA4140 IC by SANYO.