ICL7126 데이터 시트보기 (PDF) - Intersil

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ICL7126

3 1/2 Digit, Low Power, Single Chip A/D Converter

Intersil 

ICL7126

Typical Application Schematics

+IN -

9V

R1

R5

240kΩ 1MΩ

C5

R3

C4

R4

10kΩ

50pF

C1 0.1µF

C2 R2

C3

DISPLAY

ICL7126

DISPLAY

C1 = 0.1µF

C2 = 0.22µF

C3 = 0.047µF

C4 = 50pF

C5 = 0.01µF

R1 = 240kΩ

R2 = 180kΩ

R3 = 180kΩ

R4 = 10kΩ

R5 = 1MΩ

FIGURE 1. ICL7126 TEST CIRCUIT AND TYPICAL APPLICATION WITH LCD DISPLAY COMPONENTS SELECTED

FOR 200mV FULL SCALE

SET REF = 100.0mV

R3

C4

50pF

+IN -

9V

R1

R5

240kΩ 1MΩ

R4

10kΩ

C5

C2 R2

C3

C1 0.1µF

DISPLAY

ICL7126

DISPLAY

C1 = 0.1µF

C2 = 0.33µF

C3 = 0.5µF

C4 = 50pF

C5 = 0.01µF

R1 = 240kΩ

R2 = 180kΩ

R3 = 180kΩ

R4 = 10kΩ

R5 = 1MΩ

FIGURE 2. ICL7126 CLOCK FREQUENCY 16kHz, 1 READING/S

3

FN3084.5

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