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AK4520A-VF Datasheet(PDF) 3 Page - Asahi Kasei Microsystems |
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AK4520A-VF Datasheet(HTML) 3 Page - Asahi Kasei Microsystems |
3 / 19 page ASAHI KASEI [AK4520A] 0163-E-00 1997/3 - 3 - PIN/FUNCTION No. Pin Name I/O Function 1 VREFH I Positive Voltage Reference Input Pin, VA Used as a positive voltage reference by ADC & DAC. VREFH is connected externally to filtered VA. 2 VREFL I Negative Voltage Reference Input Pin, AGND Used as a negative voltage reference by ADC & DAC. VREFL is connected externally to AGND. 3 AINR+ I Rch Analog Positive Input pin 4 AINR- I Rch Analog Negative Input Pin 5 AINL+ I Lch Analog Positive Input pin 6 AINL- I Lch Analog Negative Input Pin 7 VA - Analog Power Supply Pin 8 AGND - Analog Ground pin 9 DIF0 I Audio Data Interface Format Pin 10 DIF1 I Audio Data Interface Format Pin 11 LRCK I Input/Output Channel Clock Pin 12 SCLK I Audio Serial Data Clock Pin 13 SDTI I Audio Serial Data Input Pin 14 SDTO O Audio Serial Data Output Pin 15 MCLK I Master Clock Input Pin 16 DEM0 I De-emphasis Frequency Select Pin 17 DEM1 I De-emphasis Frequency Select Pin 18 19 20 TST3 TST2 TST1 I/O I/O I Test Pins (Pull down pins) Must be left open or connected to DGND. 21 VD - Digital Power Supply Pin 22 DGND - Digital Ground Pin 23 PWDA I DAC Power-Down Mode Pin 24 PWAD I ADC Power-Down Mode Pin 25 CMODE I Master Clock Select Pin "H": 384fs, "L": 256fs 26 AOUTL O Lch analog output pin 27 AOUTR O Rch analog output pin 28 VCOM O Common Voltage Output Pin, VA/2 Note: All input pins except pull-down pins should not be left floating. |
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