ISL23328 Datasheet, PDF (12/20 Pages) Intersil Corporation – Dual, 128-Tap, Low Voltage Digitally Controlled Potentiometer (XDCP™)

ISL23328
Typical Performance Curves (Continued)
500
120
400
90
300
60
200
30
100
0
15
43
71
99
127
TAP POSITION (DECIMAL)
FIGURE 15. 10kΩ TCr vs TAP POSITION
0
15
43
71
99
127
TAP POSITION (DECIMAL)
FIGURE 16. 50kΩ TCr vs TAP POSITION, V_CC = 3.3V
20
15
10
5
0
15
43
71
99
127
TAP POSITION (DECIMAL)
FIGURE 17. 100kΩ TCv vs TAP POSITION, V_CC = 3.3V
120
90
60
30
0
15
43
71
99
127
TAP POSITION (DECIMAL)
FIGURE 18. 100kΩ TCr vs TAP POSITION, V_CC = 3.3V
SCL CLOCK
RW PIN
CH1: 1V/DIV, 1µs/DIV
CH2: 10mV/DIV, 1µs/DIV
FIGURE 19. WIPER DIGITAL FEED-THROUGH
12
WIPER
SCL
9TH CLK OF THE
DATA BYTE (ACK)
CH1: 20mV/DIV, 2µs/DIV
CH2: 2V/DIV, 2µs/DIV
FIGURE 20. WIPER TRANSITION GLITCH
FN7902.0
August 19, 2011