AKM AK4534, Manual

Page: 73 / 76

ASAHI KASEI [AK4537]
MS0202-E-04 2005/04
- 73 -
Revision History
Date (YY/MM/DD) Revision Reason Page Contents
03/02/03 00 First Edition
03/03/24 01 Spec change: 33 Headphone amp oscillation prevention circuit
0.22
P
F+10
: o
0.22
P
F
r
20% capacitor and
10
:r
20% resistor
Error correct: 5-6 Pin/Function
NC pin: “No internal bonding.”
o
“This pin
should be left floating.”
22 System Clock
The following caution is also added to EXT
mode:
“If PS1-0 bits are changed before LRCK is
input, MCKO is not output. PS1-0 bits should
be changed after LRCK is input in slave mode.”
27/21 MIC-ALC Operation (ALC1 Recovery Operation)
“If both Lch and Rch input signals are lower
than the “ALC1 Recovery Waiting Counter
Reset Level”, the ALC1 recovery operation
starts.”
o
“If Lch or Rch input signals are lower than
the “ALC1 Recovery Waiting Counter Reset
Level”, the ALC1 recovery operation starts.”
56 Register Definitions
ATTS2-0 bit: “0(OFF), 1(ON)” is removed.
59 Analog Input
“centered around the internal common voltage
(approx. AVDD/2)”
o
“centered around the internal common
voltage (0.45 x AVDD)”
59 Analog Output
“Mono output from the MOUT2 pin and Mono
Line Output from the MOUT+ and MOUT-
pins are centered at AVDD/2.”
o
“Mono output from the MOUT2 pin and
Mono Line Output from the MOUT+ and
MOUT- pins are centered at 0.45 x AVDD.”
03/05/23 02 Error correct: 21 System Clock
“If the sampling frequency is changed and the
PLL goes to unlock state when the DAC is
operated(PMDAC bit=“1”), the DAC data
should be soft-muted or “0”. In case of the
ADC(PMADL bit = “1” or PMADR bit = “1”),
the ADC data acquired during the frequency
change may be erroneous and therefore should
not be used.” is deleted.
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