LM4930LQX/NOPB

接口—CODEC

* 16-bit Resolution 48kHz Stereo DAC * 16-bit Resolution 8kHz Voice Codec * I2S Digital Audio Data Serial Interface * Two-wire Serial Control Interface * PCM Voice Audio Data Serial Interface * 25mW/channel Stereo Headphone Amplifier * 330mW Mono 8Ω Amplifier at AVDD = 3.0V * 32-step Volume Control for Audio Output Amplifiers * No Snubber Networks or Bootstrap Capacitors are Required by the Headphone or Hands-free Amplifiers * Digital Sidetone Generation with Adjustable Attenuation * Gain Controllable Headphone Amp, Mono BTL Amp, Mic Preamp * Available in the 36–bump DSBGA and 44–lead WQFN Packages * PLS OUT at AVDD = 5.0V, 8Ω 1% THD+N 1W typ * PLS OUT at AVDD = 3.0V, 8Ω 1% THD+N 330mW typ * PH/P OUT at AVDD = 3.0V, 32Ω 0.5% THD+N 25mW typ * Supply Voltage Range * DVDD 2.6V to 4.5V * AVDD 2.6V to 5.5V * Total Shutdown Current 2μA typ * PSRR at 217Hz, AVDD = 3V 50dB typ