Overview
The LA6557H is a five-channel bridge driver developed for use in CD and MD players. It provides four BTL power amplifier channels and one H-bridge power amplifier channel.
FEATUREs and Functions
• Four BTL power amplifier channels and one H-bridge power amplifier channel
• IOmax: 700 mA (each channel)
• Built-in level shifter circuits (BTL amplifiers)
• One muting circuit (output on/off control) system that operates for the BTL amplifiers
• Thermal shutdown circuit built in