6
FN8234.2
November 10, 2006
Typical Performance Curves
FIGURE 1. WIPER RESISTANCE vs TAP POSITION
[I(RW) = VCC/Rtotal] FOR 50kΩ (U)
FIGURE 2. STANDBY ICC vs VCC
FIGURE 3. DNL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10k
Ω (W)
FIGURE 4. INL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10k
Ω (W)
FIGURE 5. ZSerror vs TEMPERATURE
FIGURE 6. FSerror vs TEMPERATURE
0
20
40
60
80
100
120
140
160
0
50
100
150
200
250
TAP POSITION (DECIMAL)
WIPE
R
RES
IST
ANCE
(
Ω
)
Vcc = 2.7, T = -40°C
Vcc = 2.7, T = +25°C
Vcc = 2.7, T = +85°C
Vcc = 5.5, T = +85°C
Vcc = 5.5, T = +25°C
Vcc = 5.5, T = -40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.7
3.2
3.7
4.2
4.7
5.2
VCC (V)
STAND
BY
I
CC
(A)
-40°C
+25°C
+85°C
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0
50
100
150
200
250
TAP POSITION (DECIMAL)
DNL
(LSB)
Vcc = 2.7, T = -40°C
Vcc = 5.5, T = -40°C
Vcc = 2.7, T = +25°C
Vcc = 5.5, T = +25°C
Vcc = 2.7, T = +85°C
Vcc = 5.5, T = +85°C
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0
50
100
150
200
250
TAP POSITION (DECIMAL)
INL
(L
SB)
Vcc = 5.5, T = -40°C
Vcc = 5.5, T = +25°C
Vcc = 2.7, T = -40°C
Vcc = 2.7, T = +25°C
Vcc = 2.7, T = +85°C
Vcc = 5.5, T = +85°C
0.15
0.2
0.25
0.3
0.35
0.4
-40
-20
0
2040
6080
TEMPERATURE (°C)
ZSerr
o
r(
L
SB)
5.5V
2.7V
-1
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
-40
-20
0
20
40
60
80
TEMPERATURE (°C)
FSerr
o
r(
L
SB)
Vcc = 2.7V
Vcc = 5.5V
ISL90810