WS7106CPL データシートの表示（PDF） - Wing Shing International Group

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WS7106CPL

3 1/2 Digit LCD/LED Display A/D Converters

Wing Shing International Group 

WS7106 / WS7107

TYPICAL APPLICATIONS

The WS7106 and WS7107 may be used in a wide variety of configurations. The

circuits which follow show some of the possibilities, and serve to illustrate the

exceptional versatility of these A/D converters.

Typical Applications

OSC 1 40

OSC 2 39

OSC 3 38

TEST 37

REF HI 36

REF LO 35

CREF 34

CREF 33

COMMON 32

IN HI 31

IN LO 30

A-Z 29

BUFF 28

INT 27

V - 26

G2 25

C3 24

A3 23

G3 22

BP 21

TO PIN 1

100kΩ

100pF

SET VREF

= 100mV

1kΩ 22kΩ

0.1µF

0.47µF

47kΩ

1MΩ

0.01µF

0.22µF

+

IN

-

+

9V

-

TO DISPLAY

TO BACKPLANE

OSC 1 40

OSC 2 39

OSC 3 38

TEST 37

REF HI 36

REF LO 35

CREF 34

CREF 33

COMMON 32

IN HI 31

IN LO 30

A-Z 29

BUFF 28

INT 27

V - 26

G2 25

C3 24

A3 23

G3 22

GND 21

TO PIN 1

100kΩ

100pF

SET VREF

= 100mV

1kΩ 22kΩ

0.1µF

0.47µF

47kΩ

1MΩ

0.01µF

+5V

+

IN

-

0.22µF

-5V

TO DISPLAY

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

supply voltage (9V battery).

Values shown are for 200mV full scale, 3 readings/sec. IN LO may

be tied to either COMMON for inputs floating with respect to

supplies, or GND for single ended inputs. (See discussion under

Analog COMMON.)

FIGURE 11 WS7106 USING THE INTERNAL REFERENCE

FIGURE 12. WS7107 USING THE INTERNAL REFERENCE

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