AK4687 AKM [Asahi Kasei Microsystems], AK4687 Datasheet - Page 9

• Manufacturer Part Number: AK4687
• Description: Asynchronous Stereo CODEC with Capless Stereo Selector
• Manufacturer: AKM [Asahi Kasei Microsystems]

(Ta= 25°C; AVDD1=AVDD2= DVDD= 3.3V)
(Ta=25°C; AVDD1=AVDD2=CVDD = DVDD= 3.3V; C
Note 11. Refer to the “■ System Reset” paragraph for the reset by PDN1 and PDN2 pins.
Note 12. After a rising edge of PDN1, the internal counter starts by divided clock of MCLK and ADC power down is
MS1307-E-00
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage (Iout=-400μA)
Low-Level Output Voltage
Input Leakage Current
Parameter
Master Clock Timing
Master Clock
LRCK1Timing (Slave Mode)
LRCK2Timing (Slave Mode)
LRCK1 Timing (Master Mode)
Power-down & Reset Timing
Duty Cycle
Normal Speed Mode
Double Speed Mode
Quad Speed Mode
Duty Cycle
Normal Speed Mode
Duty Cycle
PDN Pulse Width
PDN “↑” to SDTO valid
256fsn, 128fsd:
384fsn, 192fsd:
512fsn, 256fsd, 128fsq:
768fsn, 384fsd, 192fsq:
Frequency
Duty
(Iout= -400μA(except SDA pin), 3mA(SDA pin))
Pulse Width Low
Pulse Width High
Pulse Width Low
Pulse Width High
Pulse Width Low
Pulse Width High
Pulse Width Low
Pulse Width High
released by a falling edge of CVEE after 64/fs on LRCK, then SDTIO is output 528/fs later.
(Note
(Note
11)
12)
SWITCHING CHARACTERISTICS
DC CHARACTERISTICS
tPD
tPDV
Symbol
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
dECLK
fsn
Duty
fsn
fsd
fsq
Duty
fsn
Duty
fECLK
- 9 -
L
= 20pF (except for SDA pin), Cb=400pF(SDA pin))
Symbol
VOH
VOL
VIH
VIL
Iin
12.288
16.384
24.576
8.192
8.192
0.37
0.37
0.37
0.37
0.37
0.37
0.37
0.37
min
128
150
70%DVDD
40
32
45
32
32
45
32
DVDD-0.4
min
-
-
-
2640
typ
50
50
typ
-
-
-
-
30%DVDD
36.864
12.288
18.432
24.576
36.864
max
192
max
60
48
55
48
96
55
48
±10
0.4
-
-
[AK4687]
1/fCLK
1/fCLK
1/fCLK
1/fCLK
1/fCLK
1/fCLK
1/fCLK
1/fCLK
Units
2011/05
MHz
MHz
MHz
MHz
MHz
kHz
kHz
kHz
kHz
kHz
Units
1/fs
ns
%
%
%
%
μA
V
V
V
V