TC7116(2002) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC7116
(Rev.:2002)

3-1/2 Digit Analog-to-Digital Converters with Hold

Microchip Technology 

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.

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