ISL22326 Datasheet, PDF (8/13 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometers

ISL22326
Typical Performance Curves (Continued)
0.4
T = 25ºC
0.2
0
-0.2
Vcc =2.7V
Vcc =5.5V
-0.4
-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 = 25ºC
0.2
0
Vcc = 5.5V
-0.2
-0.4
Vcc = 2.7V
-0.6
16
36
56
76
96
116
TAP POSITION (DECIMAL)
FIGURE 8. INL vs TAP POSITION IN Rheostat MODE FOR
10kΩ (W)
1.00
Vcc = 2.7V
50k
0.50
0.00
-0.50
Vcc = 5.5V
10k
-1.00
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (ºC)
FIGURE 9. END TO END R_TOTAL % CHANGE vs
TEMPERATURE
105
90 _10k
75
60
45
30
50k
15
0
16
36
56
76
96
TAP POSITION (DECIM AL)
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm
300
250
10k
200
150
50k
100
50
0
16
36
56
76
96
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR Rheostat MODE IN ppm
INPUT
OUTPUT
Wiper at Mid Point (position 40h)
Rtotal = 9.5kΩ
FIGURE 12. FREQUENCY RESPONSE (2.6MHz)
8
FN6176.0
July 17, 2006