AK4954AEN Datasheet, PDF (17/26 Pages) Asahi Kasei Microsystems – 32bit Stereo CODEC with MIC/HP/SPK-AMP

[AK4954A]
スイッチング特性
(Ta = -30 ~ 85°C; AVDD=2.5 ~ 3.5V, DVDD =1.6 ∼ 1.98V, TVDD=(DVDD-0.2) ~ 3.5V, SVDD=0.9 ∼ 5.5V; C_L=20pF)
Parameter
Symbol
min
typ
max
Unit
PLL Master Mode (PLL Reference Clock = MCKI pin)
MCKI Input Timing
Frequency
Pulse Width Low
Pulse Width High
fCLK
11.2896
-
tCLKL 0.4/fCLK
-
tCLKH 0.4/fCLK
-
27
MHz
-
ns
-
ns
LRCK Output Timing
Frequency
Duty Cycle
fs
8
Duty
-
-
96
kHz
50
-
%
BICK Output Timing
Period
BCKO bit = “0”
BCKO bit = “1”
tBCK
-
tBCK
-
1/(32fs)
1/(64fs)
-
ns
-
ns
Duty Cycle
dBCK
-
50
-
%
PLL Slave Mode (PLL Reference Clock = BICK pin)
LRCK Input Timing
Frequency
Duty
fs
8
-
96
kHz
Duty
45
-
55
%
BICK Input Timing
Period
PLL2-0 bits = “000”
PLL2-0 bits = “001”
tBCK
-
tBCK
-
1/(32fs)
1/(64fs)
-
ns
-
ns
Pulse Width Low
Pulse Width High
tBCKL 0.4 x tBCK
-
tBCKH 0.4 x tBCK
-
-
ns
-
ns
MS1542-J-00-PB
- 17 -
2013/06