ISL22343 Datasheet, PDF (10/18 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometer XDCP

ISL22343
Typical Performance Curves
80
T = +125°C
70
60
T = +25°C
50
40
30
T = -40°C
20
10
0
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 1. WIPER RESISTANCE vs TAP POSITION
[ I(RW) = V_CC/R_TOTAL ] FOR 10kΩ (W)
2.0
1.5
1.0
I_CC
0.5
0
-0.5
I_V-
-1.0
-1.5
-2.0
-40
0
40
80
120
TEMPERATURE (°C)
FIGURE 2. STANDBY I_CC and I_V- vs TEMPERATURE
0.50
0.50
T = +25°C
V_CC = 5.5V
T = +25°C
V_CC = 2.25V
0.25
0.25
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
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
FN6423.1
March 13, 2008