參數(shù)資料
型號: AK4673EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述: 立體聲編解碼器麥克風(fēng)/惠普- AMP及觸摸屏控制器
文件頁數(shù): 16/107頁
文件大?。?/td> 1171K
代理商: AK4673EG
[AK4673]
MS0670-E-00
2007/09
- 16 -
DC CHARACTERISTICS
(Ta=25
°
C; AVDD=DVDD=2.6
3.6V, TVDD1=TSVDD=2.5
3.6V, TVDD2=1.6
3.6V, HVDD=2.6
5.25V)
Parameter
Symbol
2.5V
TVDD1
3.6V
VIH1
2.2V
TVDD2
3.6V
VIH2
1.6V
TVDD2<2.2V
VIH2
2.5V
TSVDD
3.6V
VIH3
2.5V
TVDD1
3.6V
VIL1
2.2V
TVDD2
3.6V
VIL2
1.6V
TVDD2<2.2V
VIL2
2.5V
TSVDD
3.6V
VIL3
High-Level Output Voltage
Except PENIRQN pin
Except PENIRQN pin
PENIRQN pin
(Iout =
250
μ
A)
VOHT
Low-Level Output Voltage
(Except SDA and PENIRQN pin: Iout = 200
μ
A)
(PENIRQN pin: Iout = 250mA)
(SDA pin: Iout = 3mA)
Input Leakage Current
SWITCHING CHARACTERISTICS
(Ta=25
°
C; AVDD=DVDD=2.6
3.6V; TVDD1 =TSVDD=2.5
3.6V; TVDD2=1.6 ~ 3.6V; HVDD=2.6
5.25V;
C
L
=20pF; unless otherwise specified)
Parameter
Symbol
PLL Master Mode (PLL Reference Clock = MCKI pin)
MCKI Input Timing
Frequency
fCLK
Pulse Width Low
tCLKL
Pulse Width High
tCLKH
MCKO Output Timing
Frequency
fMCK
Duty Cycle
Except 256fs at fs=32kHz, 29.4kHz
dMCK
256fs at fs=32kHz, 29.4kHz
dMCK
LRCK Output Timing
Frequency
fs
DSP Mode: Pulse Width High
tLRCKH
Except DSP Mode: Duty Cycle
Duty
BICK Output Timing
Period
BCKO bit = “0”
tBCK
BCKO bit = “1”
tBCK
Duty Cycle
dBCK
min
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
max
-
-
-
-
Units
V
V
V
V
V
V
V
V
V
V
V
70
%
TVDD1
70
%
TVDD2
75
%
TVDD2
70
%
TSVDD
-
-
-
-
High-Level Input Voltage
30
%
TVDD1
30
%
TVDD2
25
%
TVDD2
30
%
TSVDD
-
-
-
0.2
0.4
0.4
±
10
Low-Level Input Voltage
(Iout =
200
μ
A)
(Iout =
200
μ
A)
VOHA
VOHB
TVDD1
0.2
TVDD2
0.2
TSVDD
0.4
VOL
VOL
VOL
Iin
-
-
-
-
V
V
μ
A
min
typ
max
Units
11.2896
0.4/fCLK
0.4/fCLK
-
-
-
27
-
-
MHz
ns
ns
0.2352
40
-
-
12.288
60
-
MHz
%
%
50
33
7.35
-
-
-
48
-
-
kHz
ns
%
tBCK
50
-
-
-
1/(32fs)
1/(64fs)
50
-
-
-
ns
ns
%
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