7 FN7870.0 June 21, 2011 tDCP Wiper Response Time SCL rising edge of the acknowledge bi" />
參數(shù)資料
型號(hào)： ISL23325UFVZ
廠商： Intersil
文件頁(yè)數(shù)： 18/20頁(yè)
文件大?。?/td> 0K
描述： IC DGTL POT 256POS 50K 14TSSOP
標(biāo)準(zhǔn)包裝： 960
系列： XDCP™
接片： 256
電阻（歐姆）： 50k
電路數(shù)： 2
溫度系數(shù)： 標(biāo)準(zhǔn)值 65 ppm/°C
存儲(chǔ)器類型： 易失
接口： I²C，2 線串口
電源電壓： 1.2 V ~ 5.5 V，1.7 V ~ 5.5 V
工作溫度： -40°C ~ 125°C
安裝類型： *
封裝/外殼： *
供應(yīng)商設(shè)備封裝： *
包裝： *
ISL23325
7
FN7870.0
June 21, 2011
tDCP
Wiper Response Time
SCL rising edge of the acknowledge bit
after data byte to wiper new position
(Changes from 10% to 90% FS)
W, U, T options specified top to bottom
0.4
s
1.5
s
3.5
s
tShdnRec DCP Recall Time from Shutdown Mode
SCL rising edge of the acknowledge bit
after ACR data byte to wiper recalled
position and RH connection
1.5
s
VCC,VLOGIC
Ramp
(Note 21)
VCC ,VLOGIC Ramp Rate
Ramp monotonic at any level
0.01
50
V/ms
Operating Specifications VCC = 2.7V to 5.5V, VLOGIC = 1.2V to 5.5V over recommended operating conditions unless otherwise stated.
Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20)
TYP
(Note 8)
MAX
(Note 20)
UNITS
Serial Interface Specification For SCL, SDA, A0, A1, A2 unless otherwise noted.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 20)
TYP
(Note 8)
MAX
(Note 20)
UNITS
VIL
Input LOW Voltage
-0.3
0.3 x VLOGIC
V
VIH
Input HIGH Voltage
0.7 x VLOGIC
VLOGIC + 0.3
V
Hysteresis
SDA and SCL Input Buffer
Hysteresis
VLOGIC > 2V
0.05 x VLOGIC
V
VLOGIC < 2V
0.1 x VLOGIC
V
VOL
SDA Output Buffer LOW Voltage
IOL = 3mA, VLOGIC > 2V
0
0.4
V
IOL = 1.5mA, VLOGIC < 2V
0.2 x VLOGIC
V
Cpin
SDA, SCL Pin Capacitance
10
pF
fSCL
SCL Frequency
400
kHz
tsp
Pulse Width Suppression Time at
SDA and SCL Inputs
Any pulse narrower than the
max spec is suppressed
50
ns
tAA
SCL Falling Edge to SDA Output
Data Valid
SCL falling edge crossing 30%
of VLOGIC, until SDA exits the
30% to 70% of VLOGIC window
900
ns
tBUF
Time the Bus Must be Free Before
the Start of a New Transmission
SDA crossing 70% of VLOGIC
during a STOP condition, to
SDA crossing 70% of VLOGIC
during the following START
condition
1300
ns
tLOW
Clock LOW Time
Measured at the 30% of
VLOGIC crossing
1300
ns
tHIGH
Clock HIGH Time
Measured at the 70% of
VLOGIC crossing
600
ns
tSU:STA
START Condition Set-up Time
SCL rising edge to SDA falling
edge; both crossing 70% of
VLOGIC
600
ns
tHD:STA
START Condition Hold Time
From SDA falling edge
crossing 30% of VLOGIC to SCL
falling edge crossing 70% of
VLOGIC
600
ns
tSU:DAT
Input Data Set-up Time
From SDA exiting the 30% to
70% of VLOGIC window, to SCL
rising edge crossing 30% of
VLOGIC
100
ns
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