
DS1668, DS1669, DS1669S
081895 8/10
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 (t
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
5 pF 6
Output Capacitance C
OUT
7 pF 6
TIMING DIAGRAMS Figure 6
t
DPW
V
IH
V
IL
t
HPW
V
IH
V
IL
t
DPW
t
CCP
V
IH
V
IL
(A) SINGLE PULSE INPUTS
(B) REPETITIVE PULSE INPUTS
(C) CONTINUOUS PULSE INPUTS
t
CPW
t
CPW
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