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AK4128A Datasheet, PDF (3/50 Pages) Asahi Kasei Microsystems – 8ch 216kHz / 24-Bit Asynchronous SRC
[AK4128A]
■ Compatibility with AK4126
(1) Specifications
Parameter
Stereo Inputs
Asynchronous Mode
Internal Clock
Bypass Mode
Master Mode for
Output Ports
Maximum FSI and
FSO
Maximum IBICK and
OBICK Frequency
X’tal Oscillator
Master Clock Output
TDM Mode
Soft Mute
De-emphasis Filter
Audio Format for
Input port.
I2C
UNLOCK pin
AK4126
Not Available
Synchronous Mode Only
Internal PLL
The PLL2-0 pins must be set
according to the PLL reference clock.
#61 pin: A pin for external devices of
PLL filter.
Not Available
Not Available
192kHz
AK4128A
Available
The INAS pin controls synchronous and
asynchronous modes.
Internal Regulator + Internal Oscillator
PLL reference clock select is not needed since
internal oscillator generates the clock.
#61 pin: A capacitor pin for the internal regulator.
Available
Controlled by CM2-0 pins or BYPS bit.
Available
Controlled by CM2-0 pins
216kHz
64fs
256fs
Not Available
Not Available
Not Available
All channels are controlled together.
All channels are controlled together.
All channels are controlled together.
Not Available
Detects PLL unlock.
Available
Available
Available
Controlled by IDIF2-0 pins or IDIF2-0 bits (Input)
Controlled by TDM pin (Output)
Individual Setting Available
Individual setting is available by setting SMUTE4-1
bits in serial control mode.
Individual Setting Available
Individual setting is available by DEM41-40,
31-30, 21-20, 11-10 bits in serial control mode.
Individual Setting Available
Individual setting is available by IDIF42-40, 32-30,
22-20, 12-10 bits in serial control mode.
Available
Parallel and Serial control modes are selected by the
SPB pin.
FSI:FSO Ratio Change Detect
Detects over-current/voltage of the 1.8V outputs.
MS1242-E-00
-3-
2010/09