DS1844S-050/TR View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS1844S-050/TR Datasheet PDF : 14 Pages
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DS1844
ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C; VCC=2.7V to 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
End-to-End Resistor
Tolerance
Absolute Linearity
Relative Linearity
-3dB Cutoff frequency
fcutoff
Temperature Coefficent
-20
+20
%
25
-0.5
+0.5
LSB
16
-0.25
+0.25
LSB
17
kHz
13
750
ppm/°C
18
2-WIRE ADDRESSABLE INTERFACE
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; VCC=2.7V to 5.5V)
PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES
Port Select Setup
SCL Clock Frequency
Bus Free Time Between
STOP and START Condition
Hold Time (repeated)
START Condition
Low Period of SCL Clock
tSETUP
fSCL
tBUF
tHD:STA
tLOW
High Period of SCL Clock
tHIGH
Data Hold Time
tHD:DAT
Data Setup Time
tSU:DAT
Rise Time of Both SDA and
SCL Signals
Fall Time of Both SDA and
SCL Signals
Setup Time for STOP
Condition
Capacitive Load for each
Bus Line
tR
tF
tSU:STO
CB
30
ns
20,22
0
400
kHz
*,8
0
100
**,22
1.3
µs
*,8
4.7
**,22
0.6
µs
*,5,8
4.0
**,22
1.3
µs
*,8
4.7
**,22
0.6
µs
*,8
4.0
**,22
0
0.9
µs
*,6,7,
0
**,22
100
ns
*,8
250
**,22
20+0.1CB 300
ns
*,9
1000
**,22
20+0.1CB 300
ns
*,9
300
**,22
0.6
µs
*,
4.0
**,22
400
pF
9
* fast mode
** standard mode
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