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DS3930 Datasheet(PDF) 3 Page - Dallas Semiconductor

Part No. DS3930
Description  Hex Nonvolatile Potentiometer with I/O and Memory
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Maker  DALLAS [Dallas Semiconductor]
Homepage  http://www.dalsemi.com
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 3 page
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Hex Nonvolatile Potentiometer with
I/O and Memory
_____________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V; TA = -40°C to +85°C, unless otherwise specified.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Fast mode
0
400
SCL Clock Frequency (Note 3)
fSCL
Standard mode
0
100
kHz
Fast mode
1.3
Bus Free Time Between STOP
and START Condition (Note 3)
tBUF
Standard mode
4.7
µs
Fast mode
0.6
Hold Time (Repeated) START
Condition (Notes 3 and 4)
tHD:STA
Standard mode
4.0
µs
Fast mode
1.3
Low Period of SCL Clock (Note 3)
tLOW
Standard mode
4.7
µs
Fast mode
0.6
High Period of SCL Clock
(Note 3)
tHIGH
Standard mode
4.0
µs
ANALOG RESISTOR CHARACTERISTICS
(VCC = +2.7V to +5.5V; TA = -40°C to +85°C, unless otherwise specified.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
End-to-End Resistance
TA = +25°C (three 50k
Ω pots in parallel)
13.2
16.5
19.8
k
Wiper Resistance
RW
400
1000
Factory Default Wiper Setting
FF
Hex
Factory Default I/O Setting
0F
Hex
POT-to-POT Matching
-1
+1
LSB
Differential Linearity
-0.5
+0.5
LSB
Integral Linearity
-1
+1
LSB
End-to-End Temperature
Coefficient
3 potentiometers in parallel
-250
0
+250
ppm/°C
Ratiometric Temperature
Coefficient
2
ppm/°C




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