APA4800 General Description
The APA4801 is an integrated class AB stereo headphone amplifier contained in an SO-8 or a DIP-8 plastic package with Mute feature . Besides the common Mute feature , the APA4801 further integrates a voltage divider inside the chip . Thus , the external resistors can be eliminated . The device has been primarily developed for portable digital audio applications .
APA4800 Features
• Operating Voltage
Single Supply 3V to 7V
Dual Supply ±1.5V to ± 3.5V
• High Signal-to-Noise Ratio 100dB
• High Slew Rate 5V/ s
• Low Distortion -65dB
• Output Power at 10% THD+N
into 8 280mW
into 16 160mW
• Large Output Voltage Swing
• Excellent Power Supply Ripple Rejection
• Flexible Mute Function
• Integrated Voltage Divider (VDD/2) to Eliminate External Resistors
• Low Power Consumption
• Short-circuit Elimination
• Wide Temperature Range
• No Switch ON/OFF Clicks
• Available in 8 pin SOP or DIP Package
APA4800 Typical Application
• Portable Digital Audio
• Personal Computers
• Microphone Preamplifier
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