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Hello. Welcome to Futurlec. The ELECTRONIC COMPONENTS Superstore. To find the component your looking for, either search by Part Number or visit the relative department. Need Help.


ICL7129 - ICL7129 4+1/2 Digit LCD Display, A/D Converter - Buy ICL7129

Photograph
ICL7129 - ICL7129 4+1/2 Digit LCD Display, A/D Converter
Features

±19,999 Count A/D Converter Accurate to ±4 Count

10µV Resolution on 200mV Scale

110dB CMRR

Direct LCD Display Drive

True Differential Input and Reference

Low Power Consumption

Decimal Point Drive Outputs

Overrange and Underrange Outputs

Low Battery Detection and Indication

10:1 Range Change Input


Pin Description
Pin Number Description
1 OSC1 - Oscillator
2 OSC3 - Oscillator
3 ANN - Annuciator Drive
4 B1,C1,CONT - Output to Display Segments
5 A1,G1,D1 - Output to Display Segments
6 F1,E1,DP1 - Output to Display Segments
7 B2,C2,LO BATT - Output to Display Segments
8 A2,G2,D2 - Output to Display Segments
9 F2,E2,DP2 - Output to Display Segments
10 B3,C3,MINUS - Output to Display Segments
11 A3,G3,D3 - Output to Display Segments
12 F3,E3,DP3 - Output to Display Segments
13 B4,C4,BC5 - Output to Display Segments
14 A4,D4,G4 - Output to Display Segments
15 F4,E4,DP4 - Output to Display Segments
16 BP3 - Backplane 3
17 BP2 - Backplane 2
18 BP1 - Backplane 1
19 Vdisp - Negative Rail for Display
20 DP4/OR - See Data Sheet
21 DP3/UR - See Data Sheet
22 LATCH/HOLD - See Data Sheet
23 V- - Negative Supply
24 V+ - Positive Supply
25 INT IN - Integrator Input
26 INT OUT - Integrator Output
27 CON - Continuity
28 COMMON - Common Mode Voltage
29 Cref+ - Reference Capacitor
30 Cref- - Reference Capacitor
31 BUFFER - Buffer
32 IN LO - Negative Input
33 IN HI - Positive Input
34 REF HI - Reference High
35 REF LO - Reference Low
36 DGND - Digital Ground Reference
37 RANGE - Range Setting
38 DP2 - Decimal Point 2
39 DP1 - Department Point 1
40 OSC2 - Oscillator
Pin Layout
Intersil ICL7129 Pin Layout

Dimensional Drawing
ICL7136 DIP40 Dimension Drawing
ICL7136 DIP40 Dimension Drawing

Technical Data

Data Sheet

Intersil - Data Sheet for ICL7129 Datasheet

Application Notes

Overcoming Common Mode Range Issues When Using Intersil Integrating Converters





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