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AK4525VF Datasheet(PDF) 3 Page - Asahi Kasei Microsystems |
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AK4525VF Datasheet(HTML) 3 Page - Asahi Kasei Microsystems |
3 / 18 page ASAHI KASEI [AK4525] MS0053-E-00 2000/9 - 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 should be connected externally to filtered VA. 2 AINR+ I Rch Analog Positive Input Pin 3 AINR- I Rch Analog Negative Input Pin 4 AINL+ I Lch Analog Positive Input Pin 5 AINL- I Lch Analog Negative Input Pin 6 VA - Analog Power Supply Pin 7 AGND - Analog Ground Pin 8 XTI I X’tal Input Pin 9 XTO O X’tal Output Pin 10 DIF0 I Audio Data Interface Format 0 Pin 11 DIF1 I Audio Data Interface Format 1 Pin 12 LRCK I/O Input/Output Channel Clock Pin 13 SCLK I/O Audio Serial Data Clock Pin 14 SDTI I Audio Serial Data Input Pin 15 SDTO O Audio Serial Data Output Pin 16 SMUTE I Soft Mute Pin When this pin goes “H”, soft mute cycle is initiated. When returning “L”, the output mute releases. 17 DEM0 I De-emphasis Frequency Select 0 Pin 18 DEM1 I De-emphasis Frequency Select 1 Pin 19 TST I Test Pin This pin must be connected to DGND. 20 M/S I Master/Slave Mode (Internal pull-down pin) “H”: Master mode, “L”: Slave mode 21 MCKO O Master Clock Output Pin 22 VD - Digital Power Supply Pin 23 DGND - Digital Ground Pin 24 PDN I Power-Down Mode Pin 25 CMODE I Master Clock Select Pin (Internal biased pin) “H”: 384fs, “L”: 256fs, “NC”: 512fs 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 or biased pins should not be left floating. |
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