Low Pow er Stereo Audio CODEC With Headphone Amplifier ES8328 GENERAL DESCRIPTION FEATURES ES8328 is a high performance, low power and low cost audio CODEC. It consists of 2-ch ADC, 2-ch DAC, microphone amplifier, 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. ADC • 24-bit, 8 kHz to 96 kHz sampling frequency • 95 dB dynamic range, 95 dB signal to noise ratio, -85 dB THD+N • Stereo or mono microphone interface with microphone amplifier • Auto level control and noise gate • 3-to-1 analog input selection • Various analog input mixing and gains DAC • 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 • Various analog output mixing and gains Low Power • 1.8V to 3.3V operation • 7 mW playback; 16 mW playback and record System • I2C or SPI uC interface • 256Fs, 384Fs, USB 12 MHz or 24 MHz • Master or slave serial port • I2S, Left Justified, DSP/PCM Mode APPLICATIONS ORDERING INFORMATION • GPS • Bluetooth • MP3, MP4, PMP • Cell phone • Digital camera, camcorder • Portable audio devices ES8328 -40°C ~ +85°C QFN-28 Revision 1.0 3/24/2010 1Everest Semiconductor ES8328 1 BLOCK DIAGRAM.....................................................................................4 2 28-PIN QFN AND PIN DESCRIPTIONS....................................................5 3 TYPICAL APPLICATION...
