X95840 Datasheet, PDF (7/13 Pages) Intersil Corporation – Quad Digital Controlled Potentiometers

Typical Performance Curves
X95840
160
Vcc = 2.7, T = 85°C
140 _{Vcc = 2.7, T = -40°C}
Vcc = 2.7, T = 25°C
120
100
80
60
40
20
Vcc = 5.5, T = -40°C
Vcc = 5.5, T = 85°C
Vcc = 5.5, T = 25°C
0
0
50
100
150
200
250
TAP POSITION (DECIMAL)
FIGURE 1. WIPER RESISTANCE vs TAP POSITION
[ I(RW) = V_CC/R_TOTAL ] FOR 50kΩ (U)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
2.7
-40°C
85°C
25°C
3.2
3.7
4.2
4.7
5.2
V_CC (V)
FIGURE 2. STANDBY I_CC vs V_CC
0.2
Vcc = 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
Vcc = 5.5, T = 25°C
Vcc = 2.7, T = 85°C
-0.15
Vcc = 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
Vcc = 2.7, T = -40°C
Vcc = 5.5, T = -40°C
0.2
Vcc = 5.5, T = 85°C
0.1
0
Vcc = 2.7, T = 25°C
-0.1 ^{Vcc = 2.7, T = 85°C}
Vcc = 5.5, T = 25°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
7
0
-0.1
-0.2
Vcc = 5.5V
-0.3
-0.4
-0.5
Vcc = 2.7V
-0.6
-0.7
-0.8
-0.9
-1
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FIGURE 6. FSerror vs TEMPERATURE
FN8213.1
September 27, 2005