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參數資料
| 型號： | ISL90810WAU8Z |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數字電位計 |
| 英文描述： | Single Digitally Controlled Potentiometer |
| 中文描述： | 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8 |
| 文件頁數： | 5/11頁 |
| 文件大?。?/td> | 1093K |
| 代理商： | ISL90810WAU8Z |
5
FN8234.2
November 10, 2006
SDA vs SCL Timing
NOTES:
2. Typical values are for T
A
= +25°C and 3.3V supply voltage.
3. 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.
4. ZS error = V(RW)
0
/LSB.
5. FS error = [V(RW)
255
– V
CC
]/LSB.
6. DNL = [V(RW)
i
– V(RW)
i-1
]/LSB-1, for i = 1 to 255. i is the DCP register setting.
7. INL = (V(RW)
i
– i LSB – V(RW)
0
)/LSB, for i = 1 to 255.
Max V RW
(
)
Max V RW
(
)
i
8.
for i = 16 to 240 decimal, T = -40°C to +105°C. Max( ) is the maximum value of the wiper
voltage and Min ( ) is the minimum value of the wiper voltage over the temperature range.
9. 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.
10. Roffset = R
255
/MI, when measuring between RW and RH.
11. RDNL = (R
i
– R
i-1
)/MI, for i = 32 to 255.
12. RINL = [R
i
– (MI i) – R
0
]/MI, for i = 32 to 255.
6
145°C
13.
for i = 32 to 255, T = -40°C to +105°C. Max( ) is the maximum value of the resistance and Min ( ) is the
minimum value of the resistance over the temperature range.
14. This parameter is not 100% tested.
t
HD:STO
STOP Condition Hold Time for Read,
or Volatile Only Write
From SDA rising edge to SCL falling edge. Both
crossing 70% of V
CC
.
From SCL falling edge crossing 30% of V
CC
, until
SDA enters the 30% to 70% of V
CC
window.
From 30% to 70% of V
CC
600
ns
t
DH
(Note 14)
Output Data Hold Time
0
ns
t
R
(Note 14)
SDA and SCL Rise Time
20 +
0.1 * Cb
250
ns
t
F
(Note 14)
SDA and SCL Fall Time
From 70% to 30% of V
CC
20 +
0.1 * Cb
250
ns
Cb
(Note 14)
Rpu
(Note 14)
Capacitive Loading of SDA or SCL
Total on-chip and off-chip
10
400
pF
SDA and SCL Bus Pull-Up Resistor
Off-Chip
Maximum is determined by t
R
and t
F
.
For Cb = 400pF, max is about 2~2.5k
Ω
.
For Cb = 40pF, max is about 15~20k
Ω
1
k
Ω
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 1)
MAX
UNITS
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
(
(
(
)
(
)
Min V RW
(
(
)
i
+
[
]
2
---------------------------------------------–
6
145°C
----------------
×
=
TC
R
Max Ri
+
Min Ri
]
)
)
[
]
2
------------------------------–
----------------
×
=
ISL90810
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| ISL90810WAU8Z-TK | 功能描述:IC POT XDCP SGL LN LP 8-MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數字電位器 系列:XDCP™ 標準包裝:3,000 系列:DPP 接片:32 電阻（歐姆）:10k 電路數:1 溫度系數:標準值 300 ppm/°C 存儲器類型:非易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.5 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應商設備封裝:8-TDFN（2x3） 包裝:帶卷 (TR) |
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