X95820_06 Datasheet, PDF (8/12 Pages) Intersil Corporation – Dual Digital Controlled Potentiometers

Typical Performance Curves (Continued)
X95820
1.50
1.00
0.50
5.5V
0.00
2.7V
-0.50
-1.00
-1.50
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FIGURE 9. END TO END R_TOTAL % CHANGE vs
TEMPERATURE
20
10
0
-10
-20
32
82
132
182
232
TAP POSITION (DECIMAL)
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm
35
25
15
5
-5
-15
-25
32 57 82 107 132 157 182 207 232
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR Rheostat MODE IN ppm
INPUT
OUTPUT
Tap Position = Mid Point
R_TOTAL = 9.4K
FIGURE 12. FREQUENCY RESPONSE (2.2MHz)
Signal at Wiper (Wiper Unloaded)
SCL
Wiper Movement Mid Point
From 80h to 7fh
FIGURE 13. MIDSCALE GLITCH, CODE 80h TO 7Fh (WIPER 0)
8
Signal at Wiper
(Wiper Unloaded Movement
From ffh to 00h)
FIGURE 14. LARGE SIGNAL SETTLING TIME
FN8212.2
July 18, 2006