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AKD4646 Datasheet(PDF) 7 Page - Asahi Kasei Microsystems |
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AKD4646 Datasheet(HTML) 7 Page - Asahi Kasei Microsystems |
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7 / 79 page  [AK4646] MS0557-E-02 2007/05 - 7 - ABSOLUTE MAXIMUM RATINGS (AVSS, DVSS, SVSS=0V; Note 3) Parameter Symbol min max Units Power Supplies: Analog AVDD −0.3 4.6 V Digital DVDD −0.3 4.6 V Speaker-Amp SVDD −0.3 4.6 V |AVSS – DVSS| (Note 4) ΔGND1 - 0.3 V |AVSS – SVSS| (Note 4) ΔGND2 - 0.3 V Input Current, Any Pin Except Supplies IIN - ±10 mA Analog Input Voltage (Note 5) VINA −0.3 AVDD+0.3 V Digital Input Voltage (Note 6) VIND −0.3 DVDD+0.3 V Ambient Temperature (powered applied) Ta −30 85 °C Storage Temperature Tstg −65 150 °C Maximum Power Dissipation (Note 7) Pd1 - 450 mW Note 3. All voltages are with respect to ground. Note 4. AVSS, DVSS and SVSS must be connected to the same analog ground plane. Note 5.MIN, RIN2/IN2 −, LIN2/IN2+, LIN1/IN1−, RIN1/IN1+ pins Note 6. PDN, CSN, CCLK, CDTIO, SDTI, LRCK, BICK, MCKI pins Pull-up resistors at SDA and SCL pins should be connected to DVDD or less voltage. Note 7. In case that PCB wiring density is 100%. This power is the AK4646 internal dissipation that does not include power of externally connected speaker. WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal operation is not guaranteed at these extremes. RECOMMENDED OPERATING CONDITIONS (AVSS, DVSS, SVSS=0V; Note 3) Parameter Symbol min typ Max Units Power Supplies Analog AVDD 2.2 3.3 3.6 V (Note 8) Digital DVDD 1.6 3.3 3.6 V SPK-Amp (Note 9) SVDD 2.2 3.3 4.0 V Difference DVDD −AVDD - - +0.3 V DVDD −SVDD - - +0.3 V Note 3. All voltages are with respect to ground. Note 8. The power-up sequence between AVDD, DVDD and SVDD is not critical. When AVDD or SVDD is powered OFF, the power supply current of DVDD at power-down mode may be increased. When the power supplies are partially powered OFF, the AK4646 must be reset by bringing PDN pin “L” after these power supplies are powered ON again. Note 9. SVDD = 2.2 ∼ 3.6V when 8Ω dynamic speaker is connected to the AK4646. * AKEMD assumes no responsibility for the usage beyond the conditions in this datasheet. |
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