ISL22426 Datasheet, PDF (9/15 Pages) Intersil Corporation – Low Noise, Low Power, SPI Bus, 128 Taps

ISL22426
Typical Performance Curves (Continued)
0.4
T = +25°C
0.2
V_CC = 5.5V
0
-0.2
-0.4
V_CC = 2.7V
-0.6
16
36
56
76
96
116
TAP POSITION (DECIMAL)
FIGURE 7. DNL vs TAP POSITION IN RHEOSTAT MODE FOR
10kΩ (W)
0.4
T = +25°C
0.2
V_CC = 5.5V
0
-0.2
-0.4
-0.6
16
V_CC = 2.7V
36
56
76
96
116
TAP POSITION (DECIMAL)
FIGURE 8. INL vs TAP POSITION IN RHEOSTAT MODE FOR
10kΩ (W)
1.0
0.5
0.0 _{VCC = 5.5V}
-0.5
V_CC = 2.7V
50k
10k
-1.0
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (ºC)
FIGURE 9. END TO END R_TOTAL % CHANGE vs
TEMPERATURE
300
250
200
150
50k
100
10k
50
0
16
36
56
76
96
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR RHEOSTAT MODE IN ppm
105
90
75
60
45
30 50k
10k
15
0
16
36
56
76
96
TAP POSITION (DECIMAL)
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm
INPUT
OUTPUT
WIPER AT MID POINT (POSITION 40h)
R_TOTAL = 9.5kΩ
FIGURE 12. FREQUENCY RESPONSE (2.6MHz)
9
FN6180.2
September 8, 2009