ISL22319 Datasheet, PDF (7/13 Pages) Intersil Corporation – Single Digitally Controlled Potentiometer XDCP

A0 and A1 Pin Timing
SCL
START
ISL22319
CLK 1
STOP
SDA
A0, A1
t_SU:A
Typical Performance Curves
100
90 ^{VCC = 3.3V, T = +125ºC}
80
70
60
50
40
30 _{VCC = 3.3V, T = +20ºC}
20
V_CC = 3.3V, T = -40ºC
10
0
0
20
40
60
80
100
120
TAP POSITION (DECIMAL)
FIGURE 1. WIPER RESISTANCE vs TAP POSITION
[I(RW) = V_CC/R_TOTAL ] FOR 10kΩ (W)
t_HD:A
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.7
T = +125°C
T = +25°C
3.2
3.7
4.2
4.7
5.2
VCC (V)
FIGURE 2. STANDBY I_sb vs V_CC
0.2
V_CC = 2.7V
0.1
T = +25°C
0
-0.1
-0.2
0
V_CC = 5.5V
20
40
60
80
100
120
TAP POSITION (DECIMAL)
FIGURE 3. DNL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10kΩ (W)
0.2
T = +25°C
0.1
V_CC = 2.7V
0
-0.1
V_CC = 5.5V
-0.2
0
20
40
60
80
100
120
TAP POSITION (DECIMAL)
FIGURE 4. INL vs TAP POSITION IN VOLTAGE DIVIDER
MODE FOR 10kΩ (W)
7
FN6310.1
September 9, 2009