PA5155: Stereo CODEC w H/P amp

Features 24-bit 8 kHz to 96 kHz sampling frequency 96 dB dynamic range 96 dB signal to noise ratio -83 dB THD+N 40 mW headphone amplifier pop noise free capless option Stereo enhancement Bass and Treble adjustments Various analog output mixing and gains 1.8V to 3.3V operation 7 mW playback I2C or SPI uC interface 256Fs 384Fs USB 12 MHz or 24 MHz Master or slave serial port I2S Left Justified DSP/PCM Mode Fractional PLL for wide range of system clocks

Applications GPS Bluetooth MP3 MP4 PMP Cell phone Digital camera camcorder Portable audio devices

• Application Notes
• Block Diagrams
• White Papers
• Evaluation Boards
• Datasheet

General Description

PA5155 is a high performance, low power and low cost audio DAC. It consists of 2-ch DAC, headphone amplifier, digital sound effects, and analog mixing and gain functions.

The device uses advanced multi-bit delta-sigma modulation technique to convert data between digital and analog.

The multi-bit delta-sigma modulators make the device with low sensitivity to clock jitter and low out of band noise.