ad7879-1acbz-rl Analog Devices, Inc., ad7879-1acbz-rl Datasheet - Page 9

• Manufacturer Part Number: ad7879-1acbz-rl
• Description: Low Voltage Controller For Touch Screens
• Manufacturer: Analog Devices, Inc.

–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
7
6
5
4
3
2
1
0
0
1
1.6
1.8
501
Figure 16. Switch On Resistance vs. V
(X+, Y+: V
2.0
1001
Figure 15. ADC DNL Plot
2.2
CC
1501
to Pin; X−, Y−: Pin to GND)
2.4
V
CC
2001
CODE
2.6
(V)
2.8
2501
3.0
3001
3.2
X+ TO V
Y+ TO V
X– TO GND
Y– TO GND
CC
3501
3.4
CC
CC
3.6
4001
Rev. 0 | Page 9 of 36
2370
2369
2368
2367
2366
2365
2364
2363
2362
2361
2360
6.0
5.5
5.0
4.5
4.0
3.5
3.0
Figure 18. ADC Code vs. Temperature (Fixed Analog Input)
–40 –25 –15 –5
–40
Figure 17 Switch On Resistance vs. Temperature
(X+, Y+: V
–25
–10
CC
to Pin; X−, Y−: Pin to GND)
TEMPERATURE (°C)
5
TEMPERATURE (°C)
10
15
25
25
35
40
45
55
55
X+ TO V
X– TO GND
Y+ TO V
Y– TO GND
65
70
CC
CC
75
AD7879
85
85