ISL22323 Datasheet, PDF (11/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer XDCP

ISL22323
Typical Performance Curves (Continued)
1.60
10k
1.20
0.80
5.5V
0.40
0.00
2.25V
50k
-0.40
-40
0
40
80
120
TEMPERATURE (ºC)
FIGURE 9. END TO END R_TOTAL % CHANGE vs
TEMPERATURE
200
160
10k
120
80
50k
40
0
16
66
116
166
216 266
TAP POSITION (DECIMAL)
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm
500
400
10k
300
200
50k
100
0
16
66
116
166
216
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR RHEOSTAT MODE IN ppm
INPUT
OUTPUT
WIPER AT MID POINT (POSITION 80h)
R_TOTAL = 10kΩ
FIGURE 12. FREQUENCY RESPONSE (1MHz)
SCL
WIPER
CS
WIPER UNLOADED,
MOVEMENT FROM 0h to FFh
FIGURE 13. MIDSCALE GLITCH, CODE 7Fh TO 80h
11
FIGURE 14. LARGE SIGNAL SETTLING TIME
FN6422.1
March 13, 2008