參數(shù)資料
型號(hào): AK4527B
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: HIGH PERFORMANCE MULTI-CHANNEL AUDIO CODEC
中文描述: 高性能多通道音頻解碼器
文件頁(yè)數(shù): 10/33頁(yè)
文件大小: 292K
代理商: AK4527B
ASAHI KASEI
[AK4527B]
MS0056-E-00
2000/10
- 10 -
DC CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
5.5V; TVDD=2.7
5.5V)
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
(SDTO pin: Iout=-100μA)
(DZF1, DZF2/OZF pins: Iout=-100μA)
Low-Level Output Voltage
(SDTO, DZF1, DZF2/OZF pins: Iout= 100μA)
(SDA pin: Iout= 3mA)
Input Leakage Current
Symbol
VIH
VIL
VOH
VOH
VOL
VOL
Iin
min
2.2
-
typ
-
-
max
-
0.8
Units
V
V
TVDD-0.5
AVDD-0.5
-
-
-
-
-
-
-
-
-
-
0.5
0.4
±
10
V
V
V
V
μA
SWITCHING CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD=4.5
5.5V; TVDD=2.7
5.5V; C
L
=20pF)
Parameter
Master Clock Input
256fsn, 128fsd:
Pulse Width Low
Pulse Width High
384fsn, 192fsd:
Pulse Width Low
Pulse Width High
512fsn, 256fsd:
Pulse Width Low
Pulse Width High
LRCK frequency
Normal Speed Mode
Double Speed Mode
Duty Cycle
Audio Interface Timing
BICK Period
BICK Pulse Width Low
Pulse Width High
LRCK Edge to BICK “
” (Note 19)
BICK “
” to LRCK Edge (Note 19)
LRCK to SDTO(MSB)
BICK “
” to SDTO
SDTI1-3, DAUX Hold Time
SDTI1-3, DAUX Setup Time
Symbol
min
typ
max
Units
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
8.192
27
27
12.288
20
20
16.384
15
15
12.288
18.432
24.576
MHz
ns
ns
MHz
ns
ns
MHz
ns
ns
fsn
fsd
Duty
32
64
45
48
96
55
kHz
kHz
%
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
160
65
65
45
45
40
25
40
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes: 19. BICK rising edge must not occur at the same time as LRCK edge.
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