參數(shù)資料
型號: ISL22446
廠商: Intersil Corporation
英文描述: Low Noise, Low Power, SPI Bus, 128 Taps(低噪聲,低功率,SPI總線, 128抽頭電位器)
中文描述: 低噪聲,低功耗,SPI總線,128絲錐(低噪聲,低功率和SPI總線,128抽頭電位器)
文件頁數(shù): 6/13頁
文件大?。?/td> 465K
代理商: ISL22446
6
FN6181.0
July 17, 2006
14. Roffset = RW
0
/MI, when measuring between RW and RL.
Roffset = RW
127
/MI, when measuring between RW and RH.
15. RDNL = (RW
i
– RW
i-1
)/MI -1, for i = 16 to 127.
16. RINL = [RW
i
– (MI i) – RW
0
]/MI, for i = 16 to 127.
17. R
MATCH
= (RW
i,x
– RW
i,y
)
/MI, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
18.
TC
R
Max Ri
)
Min Ri
)
+
[
]
2
for i = 16 to 112, T = -40°C to +125°C. Max( ) is the maximum value of the resistance and Min ( ) is
the minimum value of the resistance over the temperature range.
19. t
WC
is the time from the end of a Write sequence of SPI serial interface, to the end of the self-timed internal non-volatile write cycle.
20. R
pu
is specified for the highest data rate transfer for the device. Higher value pullup can be used at lower data rates.
21. This parameter is not 100% tested.
Timing Diagrams
Input Timing
Output Timing
XDCP Timing (for All Load Instructions)
------------------------------–
]
6
165°C
----------------
×
=
...
t
WH
CS
SCK
SDI
SDO
MSB
LSB
HIGH IMPEDANCE
t
LEAD
t
H
t
SU
t
FI
t
CS
t
LAG
t
CYC
t
WL
...
t
RI
...
CS
SCK
SDO
SDI
ADDR
MSB
LSB
t
DIS
t
HO
t
V
...
...
CS
SCK
SDI
MSB
LSB
V
W
t
WRT
...
SDO
HIGH IMPEDANCE
ISL22446
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