AK4601VQ Datasheet, PDF (28/111 Pages) Asahi Kasei Microsystems – Audio HUB CODEC with Digital Mixer

[AK4601]
11. Switching Characteristics
1. System Clock
(Ta=-40~85C; AVDD=VREFH=3.0~3.6V; LVDD=3.0~3.6V; TVDD=1.7~3.6V; AVSS=VREFL=DVSS1=
DVSS2=0V; CL=20pF)
Parameter
Symbol
Min.
Typ.
Max.
Unit
MCKI Input Timing
Duty Cycle
Duty
40
50
60
%
Input Frequency
fCLK
0.256
24.576 MHz
CLKO Output Timing
Output Frequency
Duty Cycle
LRCK/BICK Input Timing (Slave Mode)
LRCK Input Timing
Frequency
BICK Input Timing
fCLKO
dCLKO
fs
2.048
8
24.576 MHz
50
%
192
kHz
Frequency
(Note 37) fBCLK
Pulse Width Low
tBCLKL
Pulse Width High
tBCLKH
LRCK/BICK Output Timing (Master Mode)
LRCK Output Timing
0.256
0.4 / fBCLK
0.4 / fBCLK
24.576
MHz
ns
ns
Frequency
fs
8
192
kHz
Pulse Width High
PCM Short/Long Frame tLRCKH
1/fBCLK
ns
I²S/DSP Mode
tLRCKH
50
%
BICK Output Timing
Frequency
(Note 37) fBCLK
0.256
24.576 MHz
Duty
dBCLK
50
%
Note 37. Required to meet the following expression: “fBCLK ≥ 2 x fs x (Input/Output Data Length)”
016000391-E-01
- 28 -
2016/12