DS1668 Datasheet, PDF (8/10 Pages) Dallas Semiconductor – ELECTRONIC DIGITAL RHEOSTAT

DS1668, DS1669, DS1669S
ANALOG RESISTOR CHARACTERISTICS
(-40°C to +85°C)
PARAMETER
SYMBOL MIN
TYP
MAX
UNITS NOTES
End–to–End Resistor Tolerance
–20
+20
%
Absolute Linearity
–0.75
+0.75
LSB
11
Relative Linearity
–0.3
+0.3
LSB
12
–3 dB Cutoff Frequency Noise
Figure
fcutoff
Hz
13
Temperature Coefficient
–800
+800
ppm/C
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
(t_A=25°C)
SYMBOL MIN
TYP
MAX
UNITS NOTES
C_IN
C_OUT
5
pF
6
7
pF
6
TIMING DIAGRAMS Figure 6
(A) SINGLE PULSE INPUTS
t_CPW
t_DPW
V_IH
V_IL
(B) REPETITIVE PULSE INPUTS
t_CPW
t_DPW
V_IH
V_IL
(C) CONTINUOUS PULSE INPUTS
V_IH
V_IL
t_HPW
t_CCP
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