APA3544 - Etc

APA3544 Class AB Stereo Headphone Driver with Mute

The APA3541/4 is an integrated class AB stereo headphone driver contained in an SO-8 or a DIP-8 plastic package with Mute feature . Besides the common Mute feature , the APA3541/4 further integrates a voltage divider inside the chip . Thus , the external resistors can be eliminated . The APA3541 has a fixed gain of 0dB and the APA3544 has a fixed gain of 6dB.

Features

•
•
•
•
•
•
•
•
•
•
• High Signal-to-Noise Ratio High Slew Rate Low Distortion Large Output Voltage Swing Flexible Mute Function Excellent Power Supply Ripple Rejection Low Power Consumption Short-circuit Elimination Wide Temperature Range No Switch ON/OFF Clicks Integrated Voltage Divider (VDD/2) to Eliminate External Resistors Applications
• Portable Digital Audio General Description The APA3541/4 is an integrated class AB stereo headphone driver contained in an SO-8 or a DIP-8 plastic package with Mute feature . Besides the common Mute feature , the APA3541/4 further integrates a voltage .