AK4425A AKM [Asahi Kasei Microsystems], AK4425A Datasheet - Page 18

• Manufacturer Part Number: AK4425A
• Description: 192kHz 24-Bit Stereo ?? DAC with 2Vrms Output
• Manufacturer: AKM [Asahi Kasei Microsystems]

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When the MCLK, LRCK or BICK stops, the AK4425A is placed in reset mode and its analog outputs are set to VSS (0V,
typ). When the MCLK, LRCK and BICK are restarted, the AK4425A returns to normal operation mode.
Notes:
MS1127-E-01
Reset Function
(1) Digital data can be stopped. The click noise after MCLK, LRCK and BICK are input again can be reduced by
(2) The analog output corresponding to a specific digital input has group delay (GD).
(3) No audible click noise occurs under normal conditions.
(4) Clocks (MCLK, BICK, LRCK) can be stopped in the reset mode (MCLK or LRCK is stopped).
Internal
D/A In
D/A Out
<Case1:MCLK Stop>
Clock In
MCLK, BICK, LRCK
<Case2:LRCK Stop>
Clock In
MCLK, BICK, LRCK
<Case3:BICK Stop>
Clock In
MCLK, BICK, LRCK
inputting the “0” data during this period.
(Digital)
(Analog)
State
Normal Operation
Figure 13. Reset Timing Example
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(3)
(4)
(4)
(4)
MCLK Stop
LRCK Stop
BICK Stop
Reset
(1)
VSS
(3)
Normal Operation
GD
(2)
[AK4425A]
2011/03