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AK4533 Datasheet(PDF) 4 Page - Asahi Kasei Microsystems |
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AK4533 Datasheet(HTML) 4 Page - Asahi Kasei Microsystems |
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4 / 40 page  [ASAHI KASEI] <Revision 0.9a> July 00 3 PIN/FUNCTION No. Signal Name I/O Description Power Supply 7 DGND - Digital Ground 8 VD - Digital Power Supply : +3V 21 VB - Power Supply(Bulk) : +3V 26 VA1 - Analog Power Supply : +3V 27 AGND1 - Analog Ground 40 VA2 - Analog Power Supply : +3V 41 AGND2 - Analog Ground Reset/Power Down 15 RESETB I Reset Pin The device is powered down except for VCOM when this pin is “L”. All registers are cleared and are set to default values. 16 PDB I Power down Pin All blocks including VCOM are powered down when this pin is set to “L”. Audio CODEC 9 SDO O Audio ADC Serial Data Output 10 SCLK O Audio data Serial Output/Input Clock : 32fs The device outputs ADC data through SDO pin at the falling edge of SCLK clock. The device latches DAC (input) data through SDI pin at the rising edge of SCLK clock. 11 LRCK O Left/Right channel Select Clock, 1fs H: Left channel, L: Right channel When both of ADC block and DAC block go into power-down mode, this pin outputs “L”. Either of block is active, the device outputs LRCK clock. 13 SDI I Audio DAC Serial Data Input 14 MCLK I Master Clock Input 256fs or 512fs, which is selected by MSEL bit in the Control Register, master clock is input to this pin. 23 LOUT O DAC Left Channel Analog Output Note) Load resistance must be greater than 10K Ω. Load capacitance must be less than 50pF. 24 ROUT O DAC Right channel Analog Output Note) Load resistance must be greater than 10K Ω. Load capacitance must be less than 50pF. 28 VCOM O Analog Common Voltage Output Reference voltage of all analog circuit block (VA/2) Connect 4.7uF and 0.1uF capacitors 29 VCOMAD O Analog Common Voltage Output for ADC Reference voltage of ADC block Connect 4.7uF and 0.1uF capacitors 30 AFILT I Anti aliasing Filter for A/D Input Connect 1nF capacitor. 31 AIN I Analog Input Input inverting analog signal which is output from MICOUT pin 1uF capacitor is connected between MICOUT pin and AIN pin. 32 MICOUT O Microphone Analog Output Output inverting analog signal with 20dB gain of MICIN signal. 33 MICIN I Microphone Analog Input Input analog signal from microphone |
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Similar Description - AK4533 |
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