TC7106(2002) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

TC7106
(Rev.:2002)

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

Microchip Technology 

FIGURE 10-6:

TC7107 INTERNAL

REFERENCE: 200mV

FULL SCALE, 3RPS,

VIN- TIED TO GND FOR

SINGLE ENDED INPUTS

To Pin 1

40

39

Set VREF = 100mV

100kΩ

38

37

100pF

36

35

+5V

34

33

TC7107A 32

31

0.1µF 1kΩ

22kΩ

1MΩ

+

0.01µF

IN

30

29

0.47µF

28

47kΩ

–

27

26

0.22µF

-5V

25

24

23 To Display

22

21

FIGURE 10-7:

CIRCUIT FOR

DEVELOPING UNDER

RANGE AND OVER

RANGE SIGNALS FROM

TC7106A OUTPUTS

V+

1

40

To Logic

VCC

To Logic

TC7106A

VCC

O/R

U/R

CD4023

OR 74C10

V-

20

21

CD4077 O/R = Over Range

U/R = Under Range

TC7106/A/TC7107/A

FIGURE 10-8:

TC7106/TC7107:

RECOMMENDED

COMPONENT VALUES

FOR 2.00V FULL SCALE

To Pin 1

40

39

38

37

36

35

34

33

TC7106A 32

TC7107A 31

30

29

28

27

26

25

24

23

22

21

Set VREF = 1V

100kΩ

100pF

24kΩ

0.1µF 25kΩ 1MΩ

0.047µF

0.01µF

470kΩ

0.22µF

To Display

V+

+

IN

–

V-

FIGURE 10-9:

TC7107 OPERATED FROM

SINGLE +5V SUPPLY

To PIn 1

40

39

38

37

36

35

34

33

TC7107A

32

31

30

29

28

27

26

25

24

23

22

21

100kΩ

100pF

Set VREF = 100mV

10kΩ 10kΩ

0.1µF

0.47µF

1kΩ

1.2V

0.01µF

47kΩ

1MΩ

V+

IN

–

0.22µF

To Display

Note: An external reference must be used in this application.

© 2002 Microchip Technology Inc.

DS21455B-page 19

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