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AK4342EN Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AK4342EN Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
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6 / 43 page  ASAHI KASEI [AK4342] MS0506-E-02 2006/07 - 6 - ABSOLUTE MAXIMUM RATING (AVSS, DVSS, HVSS, PVSS = 0V; Note 1) Parameter Symbol min max Units Analog AVDD −0.3 4.0 V Digital DVDD −0.3 4.0 V HP-Amp HVDD −0.3 4.0 V Charge Pump PVDD −0.3 4.0 V Digital I/F TVDD −0.3 4.0 V |AVSS – DVSS | (Note 2) ∆GND1 0.3 V |AVSS – HVSS | (Note 2) ∆GND2 0.3 V Power Supplies |AVSS – PVSS | (Note 2) ∆GND3 0.3 V Input Current (any pins except for supplies) IIN - ±10 mA Analog Input Voltage (Note 3) AVIN −0.3 AVDD+0.3 or 4.0 V Digital Input Voltage (Note 4) DVIN −0.3 TVDD+0.3 or 4.0 V Ambient Temperature Ta −30 85 °C Storage Temperature Tstg −65 150 °C Maximum Power Dissipation (Note 5) Pd - 700 mW Note 1. All voltages with respect to ground. Note 2. AVSS, DVSS, HVSS and PVSS must be connected to the same analog plane. Note 3. LIN and RIN pins. The maximum value is low value either “AVDD+0.3V” or “4.0V”. Note 4. MCLK, BICK, LRCK, SDATA, CAD0/CSN, SCL/CCLK, SDA/CDTI, I2C and PDN pins. The maximum value is low value either “TVDD+0.3V” or “4.0V”. Pull-up resistors at SDA and SCL pins should be connected to (TVDD+0.3)V or less voltage. Note 5. In case that PCB wiring density is 100%. This power is the AK4342 internal dissipation that does not include power of externally connected headphone. WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these extremes. RECOMMEND OPERATING CONDITIONS (AVSS, DVSS, HVSS, PVSS = 0V; Note 1) Parameter Symbol min typ max Units Analog AVDD 2.7 3.3 3.6 V Digital DVDD 2.7 3.3 3.6 V HP-Amp HVDD 2.7 3.3 3.6 V Charge Pump PVDD 2.7 3.3 3.6 V Digital I/F TVDD 1.6 1.8 DVDD V Power Supplies ( Note 6) Difference DVDD – AVDD DVDD – HVDD DVDD – PVDD -0.3 -0.3 -0.3 0 0 0 0.3 0.3 0.3 V V V Note 1. All voltages with respect to ground. Note 6. Power up sequence among AVDD, DVDD, HVDD, PVDD and TVDD is not critical. But PDN pin must keep “L” until all power supply pins are applied. After that, PDN pin should be set to “H”. Each power supply cannot be partially powered OFF. * AKM assumes no responsibility for usage beyond the conditions in this datasheet. |
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