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參數(shù)資料
| 型號： | AK4145 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Digital BTSC Stereo Encoder |
| 中文描述： | 數(shù)字BTSC立體聲編碼器 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 197K |
| 代理商： | AK4145 |
[AK4145]
DC CHARACTERISTICS
(Ta=-20
～
85
°
C; AVDD=TVDD=1.7~3.6V, DVDD=1.7~1.9V)
Parameter
High-Level Input Voltage
TVDD < 2.7V
TVDD
≥
2.7V
Low-Level Input Voltage
TVDD < 2.7V
TVDD
≥
2.7V
Low-Level Output Voltage (SDA pin: Iout= 3mA)
Input Leakage Current
Symbol
VIH
VIH
VIL
VIL
VOL
Iin
min
typ
-
-
-
-
-
-
Max
-
-
Units
V
V
V
V
V
μ
A
80%TVDD
70%TVDD
-
-
-
-
20%TVDD
30%TVDD
0.4
±
10
SWITCHING CHARACTERISTICS
(Ta=-20
～
85
°
C; AVDD=2.7 ~ 3.6V, TVDD=1.7~3.6V, DVDD=1. 7~1.9V)
Parameter
Master Clock Frequency
Duty Cycle
LRCK Frequency
Duty Cycle
Audio Interface Timing
BICK Period
BICK Pulse Width Low
Pulse Width High
BICK rising to LRCK Edge (
Note 6
)
LRCK Edge to BICK rising (
Note 6
)
SDTI Hold Time
SDTI Setup Time
Control Interface Timing (I
2
C Bus)
SCL Clock Frequency
Bus Free Time Between Transmissions
Start Condition Hold Time
(prior to first clock pulse)
Clock Low Time
Clock High Time
Setup Time for Repeated Start Condition
SDA Hold Time from SCL Falling (
Note 7
)
SDA Setup Time from SCL Rising
Rise Time of Both SDA and SCL Lines
Fall Time of Both SDA and SCL Lines
Setup Time for Stop Condition
Pulse Width of Spike Noise Suppressed by Input Filter
Capacitive load on bus
Reset Timing
PDN Pulse Width (
Note 8
)
Note 6. BICK rising edge must not occur at the same time as LRCK edge.
Note 7. Data must be held for sufficient time to bridge the 300 ns transition time of SCL.
Note 8. The AK4145 can be reset by bringing the PDN pin = “L”.
Note 9. I
2
C is a registered trademark of Philips Semiconductors.
Symbol
fCLK
dCLK
fs
Duty
tBCK
tBCKL
tBCKH
tBLR
tLRB
tSDH
tSDS
min
8.192
40
32
45
1/128fs
30
30
20
20
20
20
-
1.3
0.6
1.3
0.6
0.6
0
0.1
-
-
0.6
-
0
150
typ
max
36.8640
60
48
55
Units
MHz
%
kHz
%
ns
ns
ns
ns
ns
ns
ns
kHz
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
ns
pF
ns
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tSP
Cb
tPD
400
-
-
-
-
-
-
-
0.3
0.3
-
50
400
Rev. 0.3-PB
2007/12
- 6 -
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相關(guān)代理商/技術(shù)參數(shù) |
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| AK4160EN | 制造商:AKM 制造商全稱:AKM 功能描述:16-channel Capacitive Touch Sensor IC |
| AK4161 | 制造商:AKM 制造商全稱:AKM 功能描述:6-channel Capacitive Touch Sensor IC |
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