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參數(shù)資料
| 型號(hào)： | ISL90810WIU8-TK |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Low Noise/Low Power/I2C Bus/256 Taps |
| 中文描述： | 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁(yè)數(shù)： | 5/11頁(yè) |
| 文件大?。?/td> | 1126K |
| 代理商： | ISL90810WIU8-TK |
5
FN8234.1
October 13, 2005
SDA vs SCL Timing
NOTES:
1. Typical values are for T
A
= 25°C and 3.3V supply voltage.
2. LSB: [V(RW)
255
– V(RW)
0
]/255. V(RW)
255
and V(RW)
0
are V(RW) for the DCP register set to FF hex and 00 hex respectively. LSB is the
incremental voltage when changing from one tap to an adjacent tap.
3. ZS error = V(RW)
0
/LSB.
4. FS error = [V(RW)
255
– V
CC
]/LSB.
5. DNL = [V(RW)
i
– V(RW)
i-1
]/LSB-1, for i = 1 to 255. i is the DCP register setting.
6. INL = (V(RW)
i
– i LSB – V(RW)
0
)/LSB, for i = 1 to 255.
Max V RW
)
Min V RW
–
Max V RW
)
i
Min V RW
+
7.
for i = 16 to 240 decimal, T = -40°C to 85°C. Max( ) is the maximum value of the wiper
voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.
8. MI =
|
R
255
– R
0
|/
255. R
255
and R
0
are the measured resistances for the DCP register set to FF hex and 00 hex respectively.
Roffset = R
0
/MI, when measuring between RW and RL.
9. Roffset = R
255
/MI, when measuring between RW and RH.
10. RDNL = (R
i
– R
i-1
)/MI, for i = 32 to 255.
11. RINL = [R
i
– (MI i) – R
0
]/MI, for i = 32 to 255.
6
125°C
12.
for i = 32 to 255, T = -40°C to 85°C. Max( ) is the maximum value of the resistance and Min ( ) is the
minimum value of the resistance over the temperature range.
13. This parameter is not 100% tested.
Equivalent Circuitry
t
SU:STO
t
DH
t
HIGH
t
SU:STA
t
HD:STA
t
HD:DAT
t
SU:DAT
SCL
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
t
F
t
LOW
t
BUF
t
AA
t
R
TC
V
)
)
)
i
[
]
2
---------------------------------------------------------------------------------------------
6
125°C
----------------
×
=
TC
R
Max Ri
+
Min Ri
]
)
)
[
]
2
------------------------------–
----------------
×
=
10pF
R
H
R
TOTAL
C
H
25pF
C
W
C
L
10pF
R
W
R
L
ISL90810
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