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PCM5142 Datasheet(PDF) 4 Page - Texas Instruments |
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PCM5142 Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 123 page  CPVDD CAPP CPGND CAPM VNEG OUTL OUTR AVDD AGND VCOM SDA SCL GPIO5 GPIO4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DVDD DGND LDOO XSMT ADR1 LRCK DIN BCK SCK GPIO6 MODE2 MODE1 ADR2 GPIO3 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CPVDD CAPP CPGND CAPM VNEG OUTL OUTR AVDD AGND VCOM MOSI MC GPIO5 GPIO4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DVDD DGND LDOO XSMT MISO LRCK DIN BCK SCK GPIO6 MS MODE1 GPIO2 GPIO3 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CPVDD CAPP CPGND CAPM VNEG OUTL OUTR AVDD AGND DEMP ATT2 ATT1 ATT0 MAST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DVDD DGND LDOO XSMT FMT LRCK DIN BCK SCK FLT MODE2 MODE1 DOUT AGNS 28 27 26 25 24 23 22 21 20 19 18 17 16 15 PCM5141, PCM5142 SLAS759B – AUGUST 2012 – REVISED JANUARY 2016 www.ti.com 6 Pin Configuration and Functions RHB Package RHB Package RHB Package I2C Mode Hardwired Mode SPI Mode (MODE1 tied to DGND and MODE2 (MODE1 tied to DGND, MODE2 tied tied to DVDD) (MODE1 tied to DVDD) to DGND) Top View Top View Top View Table 3. Gain and Attenuation in Hardwired Mode ATT PIN CONDITION (ATT2 : ATT1 : ATT0) GAIN AND ATTENUATION LEVEL ( 0 0 0 ) 0 dB ( 0 0 1 ) 3 dB ( 0 1 0 ) 6 dB ( 0 1 1 ) 9 dB ( 1 0 0 ) 12 dB ( 1 0 1 ) 15 dB ( 1 1 0 ) –6 dB ( 1 1 1 ) –3 dB 6.1 Pin Functions PIN MODE, NO. I/O DESCRIPTION NAME I2C SPI HW CPVDD 1 1 1 - Charge pump power supply, 3.3 V CAPP 2 2 2 O Charge pump flying capacitor terminal for positive rail CPGND 3 3 3 - Charge pump ground CAPM 4 4 4 O Charge pump flying capacitor terminal for negative rail VNEG 5 5 5 O Negative charge pump rail terminal for decoupling, –3.3 V OUTL 6 6 6 O Analog output from DAC left channel OUTR 7 7 7 O Analog output from DAC right channel AVDD 8 8 8 - Analog power supply, 3.3 V AGND 9 9 9 - Analog ground VCOM output (optional mode selected by register; default setting is VREF VCOM 10 10 – O I2C, SPI mode.) When in VREF mode (default), this pin ties to GND. When in VCOM mode, decoupling capacitor to GND is required. DEMP: De-emphasis control for 44.1-kHz sampling rate: Off (Low) / On DEMP – – 10 I HW (High) 4 Submit Documentation Feedback Copyright © 2012–2016, Texas Instruments Incorporated Product Folder Links: PCM5141 PCM5142 |
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