ISL23428
Typical Performance Curves (Continued)
120
90
60
30
0
500
400
300
200
100
0
15
43
71
99
127
15
43
71
99
127
TAP POSITION (DECIMAL)
TAP POSITION (DECIMAL)
FIGURE 15. 10kΩ TCr vs TAP POSITION
FIGURE 16. 50kΩ TCr vs TAP POSITION, V = 3.3V
CC
20
15
10
5
120
90
60
30
0
0
15
43
71
99
127
15
43
71
99
127
TAP POSITION (DECIMAL)
TAP POSITION (DECIMAL)
FIGURE 17. 100kΩ TCv vs TAP POSITION, V = 3.3V
FIGURE 18. 100kΩ TCr vs TAP POSITION, V = 3.3V
CC
CC
SCK CLOCK
WIPER
CS RISING
RW PIN
CH1: 20mV/DIV, 2µs/DIV
CH2: 2V/DIV, 2µs/DIV
CH1: 1V/DIV, 1µs/DIV
CH2: 10mV/DIV, 1µs/DIV
FIGURE 19. WIPER DIGITAL FEED-THROUGH
FIGURE 20. WIPER TRANSITION GLITCH
FN7904.0
August 25, 2011
12
INTERSIL [ Intersil ]
