DS1267
9 of 12 102199
ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C; V
CC
= 5.0V ± 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
End-to-End Resistor Tolerance -20 +20 % 10
Absolute Linearity ±.75 LDB 3
Relative Linearity ±0.3 LDB 4
-3 dB Cutoff Frequency F
CUTOFF
Hz 6
Temperature Coefficient 750 ppm/C
CAPACITANCE (T
A
=25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance C
IN
5 pF
Output Capacitance C
OUT
7 pF
AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V
CC
= 5.0V ± 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
CLK Frequency f
CLK
DC 10 MHz 8
Width of CLK Pulse t
CH
50 ns 8
Data Setup Time t
DC
30 ns 8
Data Hold Time t
CDH
10 ns 8
Propagation Delay Time Low to
High Level Clock to Output
t
PLH
50 ns 8
Propagation Delay Time High to
Low Level
t
PHL
50 ns 8
RST High to Clock Input High
t
CC
50 ns 8
RST Low to Clock Input High
t
HLT
50 ns 8
RST Inactive
t
RLT
125 ns 8
CLK Rise Time, CLK Fall Time t
CR
50 ns 8
NOTES:
1. All voltages are referenced to ground.
2. Resistor inputs cannot exceed the substrate bias voltage, Vb, in the negative direction.
3. Absolute linearity is used to determine wiper voltage versus expected voltage as determined by wiper
position. Device test limits ±1.6 LSB.
