[AK4128A]
■
Compatibility with AK4126
(1) Specifications
Parameter
Stereo Inputs
Asynchronous Mode
Internal Clock
AK4126
Not Available
Synchronous Mode Only
AK4128A
Available
The INAS pin controls synchronous and
asynchronous modes.
Internal PLL
Internal Regulator + Internal Oscillator
The PLL2-0 pins must be set
PLL reference clock select is not needed since
according to the PLL reference clock.
internal oscillator generates the clock.
#61 pin: A pin for external devices of
#61 pin: A capacitor pin for the internal regulator.
PLL filter.
Not Available
Available
Controlled by CM2-0 pins or BYPS bit.
Not Available
Available
Controlled by CM2-0 pins
192kHz
216kHz
64fs
Not Available
Not Available
Not Available
All channels are controlled together.
256fs
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.
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
All channels are controlled together.
Audio Format for
Input port.
I2C
All channels are controlled together.
Not Available
UNLOCK pin
Detects PLL unlock.
MS1242-E-00
-3-
2010/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
