ISL23418 Datasheet, PDF (11/20 Pages) Intersil Corporation – Single, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23418
Typical Performance Curves (Continued)
600
200
500
150
400
300
100
200
50
100
0
7.5
32.5
57.5
82.5
107.5
TAP POSITION (DECIMAL)
FIGURE 15. 10k TCr vs TAP POSITION
0
7.5
32.5
57.5
82.5
107.5
TAP POSITION (DECIMAL)
FIGURE 16. 50k TCr vs TAP POSITION
35
30
25
20
15
10
5
0
7.5
32.5
57.5
82.5
107.5
TAP POSITION (DECIMAL)
FIGURE 17. 100k TCv vs TAP POSITION
120
90
60
30
0
7.5
32.5
57.5
82.5
TAP POSITION (DECIMAL)
107.5
FIGURE 18. 100k TCr vs TAP POSITION
SCK CLOCK
RW PIN
CH1: 1V/DIV, 1µs/DIV
CH2: 10mV/DIV, 1µs/DIV
FIGURE 19. WIPER DIGITAL FEEDTHROUGH
11
20mV/DIV
5µs/DIV
FIGURE 20. WIPER TRANSITION GLITCH
FN7901.0
August 3, 2011