TC7106 View Datasheet(PDF) - TelCom Semiconductor Inc => Microchip

Part Name

Description

Manufacturer

TC7106

3-1/2 DIGIT A/D CONVERTERS

TelCom Semiconductor Inc => Microchip 

3-1/2 DIGIT A/D CONVERTERS

1 TC7106

TC7106A

TC7107

TC7107A

O/R

U/R

CD4023

OR 74C10

V+

TO

LOGIC

VCC

1

40

TC7106A

TO

LOGIC

GND

V–

20

21

CD4077

O/R = OVERRANGE

U/R = UNDERRANGE

Figure 24. Circuit for Developing Underrange and Overrange

Signals from TC7106A Outputs.

TO PIN 1

40

39

38

37

36

35

34

33

32

31

TC7107A 30

29

28

27

26

25

24

23

22

21

100kΩ

SET VREF= 100mV

100pF

10kΩ

0.1µF

0.47µF

1kΩ

1.2V

0.01µF

47kΩ

10kΩ

V+

TC04

+

1MΩ

IN

–

0.22µF

V–

TO DISPLAY

TO PIN 1

40

39

38

37

36

35

34

33

32

TC7106A 31

TC7107A

30

29

28

27

26

25

24

23

22

21

SET VREF = 1V

100kΩ

100pF

24kΩ

0.1µF

25kΩ

1MΩ

0.047µF

0.01µF

470k Ω

0.22µF

TO DISPLAY

V+

+

IN

–

V–

2

3

4

Figure 25. TC7106A/TC7107A: Recommended Component

Values for 2.00V Full-Scale

TO PIN 1

40

39

38

37

36

35

34

33

32

TC7107A 31

30

29

28

27

26

25

24

23

22

21

100kΩ

SET VREF= 100mV

100pF

10k Ω

0.1µF

1 kΩ

1.2V

0.47µF

0.01µF

47kΩ

10k Ω

V+

TC04

+

1MΩ

IN

–

0.22µF

TO DISPLAY

5

6

7

Figure 26. TC7107A With a 1.2V External Band-Gap Reference.

(VI–N Tied to Common.)

TELCOM SEMICONDUCTOR, INC.

Figure 27. TC7107A Operated from Single +5V Supply. An

External Reference Must Be Used in This Application.

8

3-201

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