9

Typical Applications

FIGURE 8. HI7106 USING THE INTERNAL REFERENCE

FIGURE 9. HI7106 RECOMMENDED COMPONENT VALUES

FOR 2V FULL SCALE

28

40

39

38

37

36

35

34

33

32

31

30

29

27

26

25

24

23

22

21

OSC 1

OSC 2

OSC 3

TEST

REF HI

REF LO

COMMON

IN HI

IN LO

A-Z

BUFF

INT

V -

G2

C3

A3

G3

BP

100pF

TO PIN 1

= 100mV

0.1

µF

0.01

µF

1M

Ω

100k

Ω

1k

Ω

22k

Ω

IN

+

-

9V

47k

Ω

0.22

µF

0.47

µF

TO BACKPLANE

TO DISPLAY

Values shown are for 200mV full scale, 3 readings/sec., floating

supply voltage (9V battery).

+

-

28

40

39

38

37

36

35

34

33

32

31

30

29

27

26

25

24

23

22

21

OSC 1

OSC 2

OSC 3

TEST

REF HI

REF LO

COMMON

IN HI

IN LO

A-Z

BUFF

INT

V -

G2

C3

A3

G3

BP/GND

100pF

TO PIN 1

= 100mV

0.1

µF

0.01

µF

1M

Ω

100k

Ω

25k

Ω 24kΩ

IN

+

-

470k

Ω

0.22

µF

0.047

µF

TO DISPLAY

V+

V-

HI7106