tF SDA and SCL Fall Time From 70% to 30% of V
參數(shù)資料
型號: ISL22346WFV20Z
廠商: Intersil
文件頁數(shù): 14/16頁
文件大?。?/td> 0K
描述: IC POT DGTL 128TP LN LP 20-TSSOP
標準包裝: 740
系列: XDCP™
接片: 128
電阻(歐姆): 10k
電路數(shù): 4
溫度系數(shù): 標準值 ±50 ppm/°C
存儲器類型: 非易失
接口: I²C(設(shè)備位址)
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°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
7
FN6177.2
September 3, 2009
tF
SDA and SCL Fall Time
From 70% to 30% of VCC
20 +
0.1*Cb
250
ns
Cb
Capacitive Loading of SDA or SCL
Total on-chip and off-chip
10
400
pF
Rpu
SDA and SCL Bus Pull-up Resistor
Off-chip
Maximum is determined by tR and tF
For Cb = 400pF, max is about 2k
Ω~2.5kΩ
For Cb = 40pF, max is about 15k
Ω~20kΩ
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:
5. Typical values are for TA = +25°C and 3.3V supply voltage.
6. LSB: [V(RW)127 – V(RW)0]/127. V(RW)127 and V(RW)0 are V(RW) 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 – VCC]/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)0]/LSB for i = 1 to 127.
11. VMATCH = [V(RWx)i – V(RWy)i]/LSB, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
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.
13. MI =
|RW127 – RW0|/127. RW127 and RW0 are the measured resistances for the DCP register set to 7F hex and 00 hex respectively.
14. Roffset = RW0/MI, when measuring between RW and RL.
Roffset = RW127/MI, when measuring between RW and RH.
15. RDNL = (RWi – RWi-1)/MI - 1, for i = 16 to 127.
16. RINL = [RWi – (MI i) – RW0]/MI, for i = 16 to 127.
17. RMATCH = (RWi,x – RWi,y)/MI, for i = 1 to 127, x = 0 to 3 and y = 0 to 3.
18.
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. tWC is the time from a valid STOP condition at the end of a Write sequence of I
2C serial interface, to the end of the self-timed internal non-volatile
write cycle.
20. Limits should be considered typical and are not production tested.
21. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
Operating Specifications Over the recommended operating conditions, unless otherwise specified. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 21)
TYP
(Note 5)
MAX
(Note 21)
UNIT
TC
V
Max V RW
()
i
() Min V RW
()
i
()
Max V RW
()
i
() Min V RW
()
i
()
+
[] 2
----------------------------------------------------------------------------------------------
106
+165°C
---------------------
×
=
TC
R
Max Ri
() Min Ri
()
[]
Max Ri
() Min Ri
()
+
[] 2
----------------------------------------------------------------
10
6
+165°C
---------------------
×
=
ISL22346
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