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參數(shù)資料
| 型號： | ISL90840UIV2027Z |
| 廠商： | Intersil |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL QUAD 50K OHM 20TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Digitally Controlled Potentiometers |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 系列： | XDCP™ |
| 接片： | 256 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 4 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±45 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | I²C（設(shè)備位址） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1237 (CN2011-ZH PDF) |
6
FN8086.2
November 14, 2006
tSU:STO
STOP condition setup time
From SCL rising edge crossing 70% of VCC,
to SDA rising edge crossing 30% of VCC
600
ns
tHD:STO
STOP condition hod time for read, or
volatile only write
From SDA rising edge to SCL falling edge;
both crossing 70% of VCC
600
ns
tDH
(Note 18)
Output data hold time
From SCL falling edge crossing 30% of VCC,
until SDA enters the 30% to 70% of VCC
window
0ns
tR
(Note 18)
SDA and SCL rise time
From 30% to 70% of VCC
20 +
0.1 * Cb
250
ns
tF
(Note 18)
SDA and SCL fall time
From 70% to 30% of VCC
20 +
0.1 * Cb
250
ns
Cb
(Note 18)
Capacitive loading of SDA or SCL
Total on-chip and off-chip
10
400
pF
Rpu
(Note 18)
SDA and SCL bus pull-up resistor off-
chip
Maximum is determined by tR and tF
For Cb = 400pF, max is about 2~2.5k
Ω.
For Cb = 40pF, max is about 15~20k
Ω
1k
Ω
tSU:A
A2, A1 and A0 setup time
Before START condition
600
ns
tHD:A
A2, A1 and A0 hold time
After STOP condition
600
ns
NOTES:
4. Typical values are for TA = 25°C and 3.3V supply voltage.
5. 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.
6. ZS error = V(RW)0/LSB.
7. FS error = [V(RW)255 – VCC]/LSB.
8. DNL = [V(RW)i – V(RW)i-1]/LSB-1, for i = 1 to 255. i is the DCP register setting.
9. INL = [V(RW)i – i LSB – V(RW)]/LSB for i = 1 to 255.
10. VMATCH = [V(RWx)i – V(RWy)i]/LSB, for i = 0 to 255, x = 0 to 3 and y = 0 to 3.
11.
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.
12. MI =
|R255 – R0|/255. R255 and R0 are the measured resistances for the DCP register set to FF hex and 00 hex respectively.
13. Roffset = R0/MI, when measuring between RW and RL.
Roffset = R255/MI, when measuring between RW and RH.
14. RDNL = (Ri – Ri-1)/MI-1, for i = 32 to 255.
15. RINL = [Ri – (MI i) – R0]/MI, for i = 32 to 255.
16. RMATCH = (Ri,x – Ri,y)/MI, for i = 0 to 255, x = 0 to 3 and y = 0 to 3.
17.
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.
18. This parameter is not 100% tested
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(NOTE 4)
MAX
UNIT
TC
V
Max V RW
()
i
() Min V RW
()
i
()
–
Max V RW
()
i
() Min V RW
()
i
()
+
[] 2
----------------------------------------------------------------------------------------------
106
145°C
-----------------
×
=
TC
R
Max Ri
() Min Ri
()
–
[]
Max Ri
() Min Ri
()
+
[] 2
----------------------------------------------------------------
10
6
145°C
-----------------
×
=
ISL90840
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