isl22424 Intersil Corporation, isl22424 Datasheet - Page 10

• Manufacturer Part Number: isl22424
• Description: Dual Digitally Controlled Potentiometer Xdcp? , Low Noise, Low Power, Spi? Bus, 256 Taps
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 7. DNL vs TAP POSITION IN RHEOSTAT MODE FOR
FIGURE 9. END TO END R
-0.25
-0.50
-0.40
0.25
1.60
1.20
0.80
0.40
0.00
500
400
300
200
100
0.5
0
0
-40
FIGURE 11. TC FOR RHEOSTAT MODE IN ppm
0
16
10kΩ (W)
TEMPERATURE
10k
50
V
66
V
CC
CC
0
= 5.5V
TAP POSITION (DECIMAL)
= 2.25V
TAP POSITION (DECIMAL)
TEMPERATURE (ºC)
100
TOTAL
10
116
40
% CHANGE vs
2.25V
5.5V
150
166
(Continued)
80
200
50k
50k
10k
T = +25ºC
216
250
120
ISL22424
WIPER AT MID POINT (POSITION 80h)
R
FIGURE 8. INL vs TAP POSITION IN RHEOSTAT MODE FOR
TOTAL
200
160
120
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm
-0.5
80
40
2.0
1.5
0.5
1.0
0
0
0
16
FIGURE 12. FREQUENCY RESPONSE (1MHz)
= 10kΩ
10kΩ (W)
10k
V
CC
50
66
= 5.5V
TAP POSITION (DECIMAL)
TAP POSITION (DECIMAL)
V
CC
100
= 2.25V
116
INPUT
150
166
200
OUTPUT
T = +25ºC
216
May 31, 2007
50k
FN6425.0
250
266