參數(shù)資料
型號: AK5392
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Enhanced Dual Bit 24Bit ADC
中文描述: 增強(qiáng)雙位24位模數(shù)轉(zhuǎn)換器
文件頁數(shù): 8/19頁
文件大?。?/td> 171K
代理商: AK5392
ASAHI KASEI
[AK5392]
0188-E-01
1997/11
- 8 -
SWITCHING CHARACTERISTICS
(Ta=25
°
C
; VA=5.0V
±
5%; VD=3.0
5.25V; CL=20pF)
Parameter
Control Clock Frequency
Master Clock 256fs:
Pulse width Low
Pulse width High
384fs:
Pulse width Low
Pulse width High
Serial Data Output Clock (SCLK)
Channel Select Clock (LRCK)
duty cycle
Serial Interface Timing
Slave Mode(SMODE1="L")
SCLK Period
SCLK Pulse Width Low
Pulse width High
SCLK falling to LRCK Edge (Note 10 )
LRCK Edge to SDATA MSB Valid
SCLK falling to SDATA Valid
SCLK falling to FSYNC Edge
Master Mode(SMODE1="H")
SCLK Frequency
duty cycle
FSYNC Frequency
duty cycle
SCLK falling to LRCK Edge
LRCK Edge to FSYNC rising
SCLK falling to SDATA Valid
SCLK falling to FSYNC Edge
Reset/Calibration timing
RST
Pulse width
RST
falling to CAL rising
RST
rising to CAL falling (Note 11 )
RST
rising to SDATA Valid (Note 11 )
Notes: 9 . Refer to Serial Data interface.
10 . Specified LRCK edges not to coincide with the rising edges of SCLK.
11 . The number of the LRCK rising edges after
RST
brought high. The value is in master mode.
In slave mode it becomes one LRCK clock(1/fs) longer.
Symbol
Min
Typ
Max
Units
fCLK
tCLKL
tCLKH
fCLK
tCLKL
tCLKH
fSLK
fs
0.256
29
29
0.384
20
20
1
25
12.288
18.432
6.144
48
13.824
20.736
6.912
54
75
MHz
ns
ns
MHz
ns
ns
MHz
kHz
%
(Note 9 )
tSLK
tSLKL
tSLKH
tSLR
tDLR
tDSS
tSF
fSLK
fFSYNC
tSLR
tLRF
tDSS
tSF
144.7
65
65
-45
-45
-20
-20
128fs
50
2fs
50
1
45
45
45
45
20
45
20
ns
ns
ns
ns
ns
ns
ns
Hz
%
Hz
%
ns
tslk
ns
ns
tRTW
tRCR
tRCF
tRTV
150
8704
8960
50
ns
ns
1/fs
1/fs
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