ISL22419 Datasheet, PDF (8/13 Pages) Intersil Corporation – Low Noise, Low Power, SPI Bus, 128 Taps, Wiper Only

ISL22419
Typical Performance Curves (Continued)
1.0
0.5
0.0
-0.5
-1.0
-40 -20
0
20
40 60 80 100 120
TEMPERATURE (ºC)
FIGURE 7. END TO END R_TOTAL % CHANGE vs
TEMPERATURE
105
90
75
60
45
30 50k
10k
15
0
16
36
56
76
96
TAP POSITION (DECIMAL)
FIGURE 8. TC FOR VOLTAGE DIVIDER MODE IN ppm
SIGNAL AT WIPER
(WIPER UNLOADED)
WIPER MID POINT MOVEMENT
FROM 3Fh TO 40h
FIGURE 9. MIDSCALE GLITCH, CODE 80h TO 7Fh
SCL
SIGNAL AT WIPER
(WIPER UNLOADED MOVEMENT
FROM 7Fh TO 00h)
FIGURE 10. LARGE SIGNAL SETTLING TIME
8
FN6311.1
September 8, 2009