ISL90840_06 Datasheet, PDF (8/13 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometers (XDCP)

ISL90840
Typical Performance Curves (Continued)
0.2
V_CC=5.5, T=-40°C _{VCC=2.7, T=-40°C}
0.15 _{VCC=2.7, T=+25°C}
0.1
0.05
0
-0.05
-0.1
V_CC=5.5, T=+25°C
-0.15 _{VCC=2.7, T=+85°C}
V_CC=5.5, T=+85°C
-0.2
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 3. DNL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10kΩ (W)
0.3
V_CC=2.7, T=-40°C
0.2 ^VCC^{=5.5, T=-40°C}
V_CC=5.5, T=+85°C
0.1
0
V_CC=2.7, T=+25°C
-0.1 V_CC=2.7, T=+85°C
-0.2
0.3
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 4. INL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10kΩ (W)
0.4
0.35
0.3
2.7V
0.25
0.2
5.5V
0.15
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FIGURE 5. ZSerror vs TEMPERATURE FOR 50kΩ (W)
0.3
0.2
V_CC=5.5, T=+25°C
V_CC=2.7, T=+25°C
0.1
0
-0.1
V_CC=5.5, T=+85°C
-0.2
V_CC=2.7, T=-40°C
V_CC=2.7, T=+85°C
-0.3
32
V_CC=5.5, T=-40°C
82
132
182
232
TAP POSITION (DECIMAL)
FIGURE 7. DNL vs TAP POSITION IN RHEOSTAT MODE FOR
50kΩ (U)
0
-0.2
V_CC=5.5V
-0.4
-0.6
V_CC=2.7V
-0.8
-1
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FIGURE 6. FSerror vs TEMPERATURE FOR 50kΩ (W)
0.5
V_CC=2.7, T=+25°C
0.3
V_CC=5.5, T=-40°C
0.1
V_CC=5.5, T=+85°C
V_CC=2.7, T=+85°C
-0.1
-0.3
-0.5
32
V_CC=5.5, T=+25°C
82
132
182
TAP POSITION (DECIMAL)
V_CC=2.7,
T=-40°C
232
FIGURE 8. INL vs TAP POSITION IN RHEOSTAT MODE FOR
50kΩ (U)
8
FN8086.2
November 14, 2006