ICL7126_14 Datasheet, PDF(3/15 Page) Intersil Corporation – 3 1/2 Digit, Low Power, Single Chip A/D Converter

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ICL7126_14 Datasheet, PDF (3/15 Pages) Intersil Corporation – 3 1/2 Digit, Low Power, Single Chip A/D Converter

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ICL7126

Typical Application Schematics

+IN -

240kâ¦ 1Mâ¦

10kâ¦

50pF

C1 0.1ÂµF

C2 R2

DISPLAY

ICL7126

DISPLAY

C1 = 0.1ÂµF

C2 = 0.22ÂµF

C3 = 0.047ÂµF

C4 = 50pF

C5 = 0.01ÂµF

R1 = 240kâ¦

R2 = 180kâ¦

R3 = 180kâ¦

R4 = 10kâ¦

R5 = 1Mâ¦

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

FOR 200mV FULL SCALE

SET REF = 100.0mV

50pF

+IN -

240kâ¦ 1Mâ¦

10kâ¦

C2 R2

C1 0.1ÂµF

DISPLAY

ICL7126

DISPLAY

C1 = 0.1ÂµF

C2 = 0.33ÂµF

C3 = 0.5ÂµF

C4 = 50pF

C5 = 0.01ÂµF

R1 = 240kâ¦

R2 = 180kâ¦

R3 = 180kâ¦

R4 = 10kâ¦

R5 = 1Mâ¦

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

FN3084.5

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