ISL22424 Datasheet, PDF (10/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer (XDCP™)

ISL22424
Typical Performance Curves (Continued)
0.5
V_CC = 5.5V
0.25
T = +25ºC
0
-0.25
V_CC = 2.25V
-0.50
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 7. DNL vs TAP POSITION IN RHEOSTAT MODE FOR
10kΩ (W)
2.0
T = +25ºC
1.5
V_CC = 2.25V
1.0
0.5
0
V_CC = 5.5V
-0.5
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 8. INL vs TAP POSITION IN RHEOSTAT MODE FOR
10kΩ (W)
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
10k
400
300
200
50k
100
0
16
66
116
166
216
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR RHEOSTAT MODE IN ppm
10
INPUT
OUTPUT
WIPER AT MID POINT (POSITION 80h)
R_TOTAL = 10kΩ
FIGURE 12. FREQUENCY RESPONSE (1MHz)
FN6425.0
May 31, 2007