參數(shù)資料
型號: CS5346-DQZR
廠商: CIRRUS LOGIC INC
元件分類: ADC
中文描述: 2-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQFP48
封裝: LEAD FREE, MS-022, LQFP-48
文件頁數(shù): 11/40頁
文件大?。?/td> 402K
代理商: CS5346-DQZR
DS861PP2
19
CS5346
SWITCHING CHARACTERISTICS - CONTROL PORT - SPI FORMAT
Inputs: Logic 0 = DGND = AGND = 0 V, Logic 1 = VLC, CL =30pF.
18. Data must be held for sufficient time to bridge the transition time of CCLK.
19. For fsck <1 MHz.
Parameter
Symbol
Min
Max
Units
CCLK Clock Frequency
fsck
-6.0
MHz
RST Rising Edge to CS Falling
tsrs
500
-
ns
CS High Time Between Transmissions
tcsh
1.0
-
s
CS Falling to CCLK Edge
tcss
20
-
ns
CCLK Low Time
tscl
66
-
ns
CCLK High Time
tsch
66
-
ns
CDIN to CCLK Rising Setup Time
tdsu
40
-
ns
CCLK Rising to DATA Hold Time
tdh
15
-
ns
CCLK Falling to CDOUT Stable
tpd
-50
ns
Rise Time of CDOUT
tr1
-25
ns
Fall Time of CDOUT
tf1
-25
ns
Rise Time of CCLK and CDIN
tr2
-
100
ns
Fall Time of CCLK and CDIN
tf2
-
100
ns
t r2
t f2
t dsu
t dh
t sch
t scl
CS
CCLK
CDIN
t css
t pd
CDOUT
t csh
RST
t srs
Figure 6. Control Port Timing - SPI Format
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