X95840 Datasheet, PDF (8/13 Pages) Intersil Corporation – Quad Digital Controlled Potentiometers

Typical Performance Curves (Continued)
X95840
0.3
Vcc = 2.7, T = 25°C
0.2
Vcc = 5.5, T = 25°C
0.1
0
-0.1
-0.2
-0.3
32
Vcc = 5.5, T = 85°C
Vcc = 2.7, T = -40°C ^{Vcc = 2.7, T = 85°C}
Vcc = 5.5, T = -40°C
82
132
182
232
TAP POSITION (DECIMAL)
FIGURE 7. DNL vs TAP POSITION IN Rheostat MODE FOR
50kΩ (U)
1.50
1.00
0.50
5.5V
0.00
2.7V
-0.50
-1.00
-1.50
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FIGURE 9. END TO END R_TOTAL % CHANGE vs
TEMPERATURE
0.5
0.4
Vcc = 2.7, T = 25°C
0.3
0.2
Vcc = 5.5, T = -40°C
0.1
Vcc = 5.5, T = 85°C
0
-0.1
-0.2
-0.3
-0.4 ^{Vcc = 2.7, T = 85°C}
Vcc = 5.5, T = 25°C
-0.5
32
82
132
Vcc = 2.7, T = -40°C
182
232
TAP POSITION (DECIMAL)
FIGURE 8. INL vs TAP POSITION IN Rheostat MODE FOR
50kΩ (U)
20
10
0
-10
-20
32
82
132
182
232
TAP POSITION (DECIMAL)
FIGURE 10. TC FOR VOLTAGE DIVIDER MODE IN ppm
35
25
15
5
-5
-15
-25
32 57 82 107 132 157 182 207 232
TAP POSITION (DECIMAL)
FIGURE 11. TC FOR Rheostat MODE IN ppm
8
INPUT
OUTPUT
Tap Position = Mid Point
R_TOTAL = 9.4K
FIGURE 12. FREQUENCY RESPONSE (2.2MHz)
FN8213.1
September 27, 2005