ISL22317_10 Datasheet, PDF (7/15 Pages) Intersil Corporation – Precision Single Digitally Controlled Potentiometer (XDCP™)

A1 Pin Timing
START
SCL
SDA
A1
t_SU:A
ISL22317
CLK 1
STOP
t_HD:A
Typical Performance Curves
2
1 _{VCC = 2.7V}
0
T = +25°C
-1 _{VCC = 5.5V}
-2
5
25
45
65
85
105
125
TAP POSITION (DECIMAL)
FIGURE 1. RESISTANCE ERROR vs TAP POSITION
[I(RW) = V_CC/R_TOTAL] FOR 100kΩ (T)
2
1
V_CC = 2.7V
T = +25°C
0
-1
V_CC = 5.5V
-2
5
25
45
65
85
105
125
TAP POSITION (DECIMAL)
FIGURE 2. RESISTANCE ERROR vs TAP POSITION
[I(RW) = V_CC/R_TOTAL] FOR 10kΩ (W)
2
1
V_CC = 5.5V
0
V_CC = 2.7V
-1
T = +25°C
-2
0
20
40
60
80
100
120
TAP POSITION (DECIMAL)
FIGURE 3. INL vs TAP POSITION IN RHEOSTAT MODE FOR
100kΩ (T)
2
1
V_CC = 5.5V
0
T = +25°C
-1
V_CC = 2.7V
-2
0
20
40
60
80
100
120
TAP POSITION (DECIMAL)
FIGURE 4. INL vs TAP POSITION IN RHEOSTAT MODE FOR
10kΩ (W)
7
FN6912.1
April 15, 2010