AK4636 Datasheet, PDF (13/105 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP

[AK4636]
DC CHRACTERISTICS
(Ta = −30 ~ 85°C; AVDD = 2.6 ∼ 3.6V, DVDD = 1.6 ∼ 3.6V, SVDD = 2.6 ∼ 3.6V, VVDD = 2.8 ∼ 3.6V)
Parameter
Symbol
min
typ
max
Audio Interface & Serial µP Interface
(CDTIO, CSN/SDA, CCLK/SCL, I2C, PDN, BICK, FCK, SDTI, MCKI pins Input )
High-Level Input Voltage
(DVDD ≥ 2.2V)
VIH 70%DVDD
-
-
(DVDD < 2.2V)
80%DVDD
-
-
Low-Level Input Voltage
(DVDD ≥ 2.2V)
VIL
-
-
30%DVDD
(DVDD < 2.2V)
-
-
20%DVDD
Audio Interface & Serial µP Interface (CDTIO, SDA MCKO, BICK, FCK, SDTO pins Output)
High-Level Output Voltage
(Iout = −80μA)
VOH DVDD−0.2
-
-
Low-Level Output Voltage
(Except SDA pin : Iout = 80μA) VOL1
-
-
0.2
(SDA pin, 2.0V ≤ DVDD ≤ 3.6V: Iout = 3mA) VOL2
-
-
0.4
(SDA pin, 1.6V ≤ DVDD < 2.0V: Iout = 3mA) VOL2
-
-
20%DVDD
Input Leakage Current
Iin
-
-
±10
Digital MIC Interface (DMDAT pin Input ; DMIC bit = “1”)
High-Level Input Voltage
Low-Level Input Voltage
VIH2 65%AVDD
-
-
VIL2
-
-
35%AVDD
Digital MIC Interface (DMCLK pin Output ; DMIC bit = “1”)
High-Level Output Voltage
(Iout=−80μA)
VOH3 AVDD-0.4
-
-
Low-Level Output Voltage
(Iout= 80μA)
VOL3
-
-
0.4
Input Leakage Current
Iin
-
-
±10
Units
V
V
V
V
V
V
V
μA
V
V
V
V
μA
SWITING CHARACTERISTICS
(Ta = −30 ~ 85°C; AVDD =2.6 ∼ 3.6V, DVDD = 1.6 ∼ 3.6V, SVDD = 2.6 ∼ 3.6V, VVDD = 2.8 ∼ 3.6V; C_L = 20pF)
Parameter
Symbol
min
typ
max
Units
PLL Master Mode (PLL Reference Clock = MCKI pin) (Figure 4)
MCKI Input: Frequency
fCLK
11.2896
-
27.0
MHz
Pulse Width Low
tCLKL
0.4/fCLK
-
-
ns
Pulse Width High
tCLKH
0.4/fCLK
-
-
ns
MCKO Output:
Frequency
fMCK
-
256 x fFCK
-
kHz
Duty Cycle except fs=29.4kHz, 32kHz
dMCK
40
50
60
%
fs=29.4kHz, 32kHz (Note 22) dMCK
-
33
-
%
FCK Output: Frequency
fFCK
8
-
48
kHz
Pulse width High
(DIF1-0 bits = “00” and FCKO bit = “1”) tFCKH
-
tBCK
-
ns
Duty Cycle
(DIF1-0 bits = “00” or FCKO bit = “0”)
dFCK
-
50
-
%
BICK: Period (BCKO1-0 bit = “00”)
tBCK
-
1/16fFCK
-
ns
(BCKO1-0 bit = “01”)
tBCK
-
1/32fFCK
-
ns
(BCKO1-0 bit = “10”)
tBCK
-
1/64fFCK
-
ns
Duty Cycle
dBCK
-
50
-
%
MS1012-E-01
- 13 -
2010/08