TC7116/A/TC7117/A
FIGURE 6-3:
TC7116/TC7117A USING THE INTERNAL REFERENCE
(200mV FULL SCALE, 3 READINGS PER SECOND - RPS)
TC7116
TC7116A
40
39
Set VREF = 100mV
100kΩ
38
37
100pF
36
35
22kΩ
34
33
0.1pF 1kΩ 1MΩ
+
32
31
0.01µF
In
30
29
0.47µF
28
27
26
0.22µF
47kΩ
+–
9V
–
25
24
23 To Display
22
21
To Backplane
FIGURE 6-4:
TC7117/TC7117A INTERNAL REFERENCE
(200mV FULL SCALE, 3 RPS, VIN- TIED TO GND FOR SINGLE ENDED INPUTS)
40
39
Set VREF = 100mV
100kΩ
38
37
100pF
36
35
22kΩ
34
33
0.1pF 1kΩ
1MΩ
32
31
TC7117
TC7117A
30
29
0.47µF
28
0.01µF
47kΩ
27
26
0.22µF
25
24
23 To Display
22
21
+5V
+
In
–
-5V
DS21457B-page 14
© 2002 Microchip Technology Inc.