ISL22323 Datasheet, PDF (10/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer XDCP

ISL22323
Typical Performance Curves (Continued)
0.50
0.50
T = +25°C
V_CC = 2.25V
0.25
0.25
V_CC = 5.5V
T = +25°C
0
0
-0.25
-0.50
0
V_CC = 5.5V
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 3. DNL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10kΩ (W)
2.0
10k
1.6
1.2
0.8
V_CC = 2.25V
0.4
50k
V_CC = 5.5V
0
-40
0
40
80
120
TEMPERATURE (ºC)
FIGURE 5. ZS ERROR vs TEMPERATURE
0.5
V_CC = 5.5V
0.25
T = +25°C
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)
10
-0.25
-0.50
0
V_CC = 2.25V
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 4. INL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10kΩ (W)
0
-1 _{VCC = 2.25V}
-2
50k
V_CC = 5.5V
-3
10k
-4
-5
-40
0
40
80
120
TEMPERATURE (ºC)
FIGURE 6. FS ERROR vs TEMPERATURE
2.0
T = +25°C
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)
FN6422.1
March 13, 2008