AK4128AEQP AKM Semiconductor Inc, AK4128AEQP Datasheet - Page 34

• Manufacturer Part Number: AK4128AEQP
• Description: IC SAMPLE RATE CONVERTER 64LQFP
• Manufacturer: AKM Semiconductor Inc
• Series: -r
• Type: Sample Rate Converterr

Specifications of AK4128AEQP

• Applications: Automotive Systems, Home Theater, TV
• Mounting Type: Surface Mount
• Package / Case: 64-FQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 974-1043

Note 27. SPB, CM2-0, INAS, PM2-1, OBIT1-0, TDM, ODIF1-0, IDIF2-0 and CAD0 pin must be changed when the PDN
Note 28. The UNLOCK pin outputs “H” when the PDN pin= “L”. SRC data is output from SDTO1-4 pins, which
Note 29. (1) is the total time of “Internal circuit power-up + FSO/FSI ratio detection + Clock detection + Internal circuit
Note 30. (2) is the total time of “FSO/FSI ratio detection + Clock detection + Internal circuit group delay”.
MS1242-E-01
pin= “L”.
corresponds to the each sampling frequency ratio detected SRC, after a rising edge “↑” of PDN if the internal
regulator is in normal operation. In 8-channel mode, the UNLOCK pin outputs “L” when sampling frequency
ratio detection is completed at all SRC’s. The UNLOCK pin keeps outputting “H” if there is one SRC which does
not finished sampling frequency ratio detection.
group delay”.
Case 2: System Reset without clock inputs
External clocks
External clocks
(Internal state)
SDTI
UNLOCK
SDTO4
SDTO3
SDTO2
SDTO1
PDN
(Input port)
(Output port)
Power-down
I nt ernal Ci rc uit
Power-up Time
(No Clock)
(Don’t care)
(Don’t care)
Figure 35. System Reset 2
“0” data
“0” data
“0” data
“0” data
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ILRCK1-4
Input wait
21ms(max)
(2)
Output Clocks
Input Clocks
Input Data
Normal data
Normal data
Normal data
Normal data
Normal
operation
Power-down
Don’t care
Don’t care
Don’t care
“0” data
“0” data
“0” data
“0” data
[AK4128A]
2011/06