Professional IC Distribution & Technical Solutions

The LA4440 is an integrated circuit (IC) manufactured by SANYO (now part of ON Semiconductor). Below are the specifications, descriptions, and features of the LA4440:

Specifications:

• Type: Dual-channel audio power amplifier IC
• Output Power:
• 6W per channel (at 12V, 4Ω, 10% THD)
• 19W in bridge-tied load (BTL) mode (at 12V, 4Ω, 10% THD)
• Supply Voltage Range: 9V to 18V (recommended)
• Quiescent Current: 45mA (typical)
• Total Harmonic Distortion (THD): 0.3% (typical at 1W, 4Ω)
• Frequency Response: 20Hz to 20kHz
• Operating Temperature Range: -20°C to +75°C
• Package Type: SIP-12 (Single Inline Package with 12 pins)

Descriptions:

• The LA4440 is a stereo audio amplifier IC designed for car audio and portable audio applications.
• It can operate in dual-channel (stereo) mode or mono bridge-tied load (BTL) mode for higher output power.
• Features built-in thermal shutdown and overvoltage protection for reliability.
• Requires minimal external components for operation.

Features:

• Dual-channel amplification (stereo operation)
• Bridge-tied load (BTL) capable for higher power output
• Low distortion and noise
• Built-in thermal protection
• Standby switch function
• Pop noise suppression at power-on/off
• Simple external circuitry for easy implementation

This IC is commonly used in car audio systems, portable speakers, and home audio amplifiers.