Download Datasheets TC14433A Device 
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Home - Analog & Interface Products - Mixed Signal Devices - BCD Output - TC14433A Device, download datasheet

Download Datasheets TC14433A Device

The TC14433 is a low power,high-performance, monolithic CMOS 3-1/2 digit A/D converter.The TC14433 combines both analog and digital circuits on a single IC,thus minimizing the number of external components.This dual-slope A/D converter provides automatic polarity and zero correction with the addition of two external resistors and two capacitors.The full-scale voltage range of this ratiometric IC extends from 199.9 millivolts to 1.999 volts.The TC14433 can operate over a wide range of power supply voltages, including batteries and standard 5-volt supplies. The TC14433 will interface with the TC7211A LCD display driver. The TC14433A features improved performance over the industry standard TC14433.Rollover, which is the measurement of identical positive and negative signals, is guaranteed to have the same reading within one count for the TC14433A.Power consumption of the TC14433A is typically 4 mW,approximately one-half that of the industry standard TC14433.

Datasheet and Other Documentation

Detailed Content

Lit. Number



TC14433/A Datasheet


Download TC14433/A Datasheet


In Production

Specification Chart


Supply Voltage (V)

Input Voltage Range (V)

Resolution (Digits)

Resolution (Counts)

Max Power (mW)

Data Interface


4.5 to 8


3 1/2




Additional Features

Accuracy: 0.05% of Reading 1 Count
Two Voltage Ranges: 1.999V and 199.9 mV
Up to 25 Conversions Per Second
ZIN > 1000M Ohms
Single Positive Voltage Reference
Auto-Polarity and Auto-Zero
Overrange and Underrange Signals Available
Operates in Auto-Ranging Circuits
Uses On-Chip System Clock or External Clock

Package Options

24 PDIP(P), 28 PLCC(L), 24 CERDIP(JW), 2008-2015 - download datasheets