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參數(shù)資料
| 型號： | ISL22426 |
| 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)： | 5/13頁 |
| 文件大?。?/td> | 468K |
| 代理商： | ISL22426 |
5
FN6180.0
July 17, 2006
NOTES:
5. Typical values are for T
A
= +25°C and 3.3V supply voltage.
6. LSB: [V(R
W
)
127
– V(R
W
)
0
]
/
127. V(R
W
)
127
and V(R
W
)
0
are V(R
W
) for the DCP register set to 7F hex and 00 hex respectively. LSB is the
incremental voltage when changing from one tap to an adjacent tap.
7. ZS error = V(RW)
0
/
LSB.
8. FS error = [V(RW)
127
– V
CC
]
/
LSB.
9. DNL = [V(RW)
i
– V(RW)
i-1
]
/
LSB-1, for i = 1 to 127. i is the DCP register setting.
10. INL = [V(RW)
i
– i LSB – V(RW)]/LSB for i = 1 to 127
11. V
MATCH
= [V(RWx)
i
– V(RWy)
i
]
/
LSB, for i = 1 to 127, x = 0 or 1 and y = 0 or 1.
12.
for i = 16 to 112 decimal, T = -40°C to +125°C. Max( ) is the maximum value of the wiper
voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.
Max V RW
)
i
EEPROM SPECIFICATION
EEPROM Endurance
1,000,000
Cycles
EEPROM Retention
Temperature
°
C
50
Years
t
WC
(Note 19)
Non-volatile Write cycle time
12
20
ms
SERIAL INTERFACE SPECIFICATIONS
V
IL
SHDN, SCK, SDI, and CS input buffer
LOW voltage
-0.3
0.3*V
CC
V
V
IH
SHDN, SCK, SDI, and CS input buffer
HIGH voltage
0.7*V
CC
V
CC
+0.3
V
Hysteresis
SHDN, SCK, SDI, and CS input buffer
hysteresis
0.05*
V
CC
V
V
OL
SDO output buffer LOW voltage
I
OL
= 4mA
0
0.4
V
R
pu
(Note 20)
SDO pull-up resistor off-chip
Maximum is determined by t
RO
and t
FO
with
maximum bus load Cb = 30pF, f
SCK
= 5MHz
2
k
Cpin
(Note 21)
SHDN, SCK, SDI, SDO and CS pin
capacitance
10
pF
f
SCK
SPI frequency
5
MHz
t
CYC
SPI clock cycle time
200
ns
t
WH
SPI clock high time
100
ns
t
WL
SPI clock low time
100
ns
t
LEAD
Lead time
250
ns
t
LAG
Lag time
250
ns
t
SU
SDI, SCK and CS input setup time
50
ns
t
H
SDI, SCK and CS input hold time
50
ns
t
RI
SDI, SCK and CS input rise time
10
ns
t
FI
SDI, SCK and CS input fall time
10
20
ns
t
DIS
SDO output Disable time
0
100
ns
t
V
SDO output valid time
350
ns
t
SDO output hold time
0
ns
t
RO
SDO output rise time
R
pu
= 2k, Cb = 30pF
60
ns
t
FO
SDO output fall time
R
pu
= 2k, Cb = 30pF
60
ns
t
CS
CS deselect time
2
μs
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 5)
MAX
UNIT
T
55
≤
TC
V
-----------------------------------------------–
)
)
Min V RW
)
i
+
[
]
2
6
165°C
----------------
×
=
ISL22426
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