ak7712a-vt AKM Semiconductor, Inc., ak7712a-vt Datasheet - Page 16

• Manufacturer Part Number: ak7712a-vt
• Description: Built-in 20-bit Adc/dac Sophisticated Audio Dsp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
0180-E-02
Clock
note : At input of external CMOS clock for XTI.
(Ta=25 C; VA,VD,VB=5.0V±5%; C
Control clock frequency
Master clock
Quartz oscillator mode
External clock mode
Audio serial data clock (BCLK)
Channel select clock (LRCK)
Microcomputer serial data clock (SCLK
Reset timing
Clock falling time
[XTI, BICK, LRCK, SCLK]
Clock rising time
[XTI, BICK, LRCK, SCLK]
Duty cycle
Duty cycle
Parameter
256fs:
384fs:
512fs:
256fs:
384fs:
512fs:
Pulse width Low
Pulse width High
Pulse width Low
Pulse width High
Pulse width Low
Pulse width High
Pulse width Low
Pulse width High
PD pulse width
RST pulse width
L
=20pF)
(note)
(note)
Switching Characteristics
Symbol
- 16 -
f
f
f
f
t
t
f
t
t
f
t
t
f
f
f
t
t
t
t
t
t
CLK
CLK
CLK
CLK
CLKL
CLKH
CLK
CLKL
CLKH
CLK
CLKL
CLKH
BLK
S
SLK
SLKL
SLKH
PD
RST
f
r
12.288
12.288
40
30
30
12.288
20
20
12.288
20
20
32
49
30
30
min
8.192
8.192
1.024
11.2896
16.9344
16.384
50
11.2986
16.9344
16.384
2.8224
44.1
50
100
100
typ
12.288
18.432
18.432
60
12.288
18.432
18.432
48
51
12.288
10
10
max
3.072
[AK7712A-VT]
1997/12
Units
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%