ISL23418 Datasheet, PDF (12/20 Pages) Intersil Corporation – Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23418
Typical Performance Curves (Continued)
1V/DIV
1µs/DIV
1V/DIV
0.1s/DIV
VRW
CS RISING EDGE
FIGURE 21. WIPER LARGE SIGNAL SETTLING TIME
CH1: 0.5V/DIV, 0.2µs/DIV RH PIN
CH2: 0.2V/DIV, 0.2µs/DIV RW PIN
R_TOTAL = 10k
-3dB FREQUENCY = 1.4MHz AT MIDDLE TAP
FIGURE 23. 10k -3dB CUT OFF FREQUENCY
FIGURE 22. POWER-ON START-UP IN VOLTAGE DIVIDER MODE
1.2
1.0
0.8
V_CC = 5.5V, V_LOGIC = 5.5V
0.6
0.4
V_CC = 1.7V, V_LOGIC = 1.2V
0.2
0
-40
-15
10
35
60
85
110
TEMPERATURE (°C)
FIGURE 24. STANDBY CURRENT vs TEMPERATURE
12
FN7901.0
August 3, 2011