HT82V7534 - Holtek Semiconductor

HT82V7534 3W Stereo Filter-free Class-D Audio Power Amplifier

HT82V7534 3W Stereo Filter-free Class-D Audio Power Amplifier Features • 1.8V to 6V Single Supply • Output Power: ♦♦ 3W/channel at 5V and 4Ω speaker ♦♦ 4.45W/channel at 6V and, 4Ω speaker • Up to 90% power efficiency • Automatic output power control – APC • 2.8mA quiescent current at 5V • Less than 0.2µA shutdown current • Pop noise elimination durin.

Features

• 1.8V to 6V Single Supply
• Output Power: ♦♦ 3W/channel at 5V and 4Ω speaker ♦♦ 4.45W/channel at 6V and, 4Ω speaker
• Up to 90% power efficiency
• Automatic output power control
  – APC
• 2.8mA quiescent current at 5V
• Less than 0.2µA shutdown current
• Pop noise elimination during power on/off
• Mute and Shutdown function
• Output pin short circuit protection with auto recovery
• Over-temperature and over-current protection with auto recovery
• Integrated hard limiter function
• Limiter time and gain control on the fly
• Differential 250kHz PWM allows Bridge-Tied- Load to increas.