SGTL5000XNAA3 接口IC NXP

SGTL5000XNAA3

接口—CODEC Audio Codec

The SGTL5000 is a Low Power Stereo Codec with Headphone Amp from Freescale, and is designed to provide a complete audio solution for products needing LINEIN, MIC_IN, LINEOUT, headphone-out, and digital I/O. Deriving it’s architecture from best in class, Freescale integrated products that are currently on the market.

Features SGTL5000XNAA3

Analog Inputs

• Stereo LINEIN - Support for external analog input

• Stereo LINEIN - Codec bypass for low power

• MIC bias provided

• Programmable MIC gain

• ADC - 85 dB SNR (-60 dB input) and -73 dB THD+N (VDDA = 1.8 V)

Analog Outputs

• HP Output - Capless design

• HP Output - 62.5 mW max, 1.02 kHz sine into 16  load at 3.3 V

• HP Output - 100 dB SNR (-60 dB input) and -80 dB THD+N (VDDA = 1.8 V, 16  load, DAC to headphone)

• LINEOUT - 100 dB SNR (-60 dB input) and -85 dB THD+N (VDDIO = 3.3 V)

Digital I/O SGTL5000XNAA3

• I2S port to allow routing to Application Processor

Integrated Digital Processing

• Freescale surround, Freescale bass, tone control/ parametric equalizer/graphic equalizer clocking/control

• PLL allows input of an 8.0 MHz to 27 MHz system clock - standard audio clocks are derived from PLL

Power Supplies SGTL5000XNAA3

• Designed to operate from 1.62 to 3.6 volts