PA3138
Overview
The UTC PA3138 is a pop-free stereo headphone amplifier with the integrated charge pump generating the negative supply rail which allows the removal of the output DC-blocking capacitors. The UTC PA3138 provides a clean, pop-free ground-biased audio signal.
- Low THD+N<0.01% at 10mW Into 32Ω * Stereo Direct Headphone Amplifier driver 40 mW Into 32Ω With 3.3-V Supply * Integrated charge pump Generates Negative Supply Rail * High SNR, >90dB * Ground-Referenced Outputs Eliminate DC-Blocking Capacitors * Differential Input and Single-Ended Output
