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TC820CPL датащи(PDF) 1 Page - Microchip Technology |
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TC820CPL датащи(HTML) 1 Page - Microchip Technology |
1 / 28 page © 2002 Microchip Technology Inc. DS21476B-page 1 TC820 Features • Multiple Analog Measurement System - Digit A/D Converter - Frequency Counter - Logic Probe • Low Noise A/D Converter: - Differential Inputs: (1pA Bias Current) - On-Chip 50ppm/°C Voltage Reference • Frequency Counter: - 4MHz Maximum Input Frequency - Auto-Ranging Over Four Decade Range • Logic Probe: - Two LCD Annunciators - Buzzer Driver • 3-3/4 Digit Display with Over Range Indicator • LCD Display Driver with Built-in Contrast Control • Data Hold Input for Comparison Measurements • Low Battery Detect with LCD Annunciator • Under Range and Over Range Outputs • On-Chip Buzzer Driver with Control Input • 40-Pin Plastic DIP, 44-Pin Plastic Flat Pack, or 44-Pin PLCC Packages Device Selection Table General Description The TC820 is a 3-3/4 digit, multi-measurement system especially suited for use in portable instruments. It inte- grates a dual slope A/D converter, auto-ranging fre- quency counter and logic probe into a single 44-pin surface mount, or 40-pin through hole package. The TC820 operates from a single 9V input voltage (bat- tery) and features a built-in battery low flag. Function and decimal point selection are accomplished with sim- ple logic inputs designed for direct connection to an external microcontroller or rotary switch. Part Number Resolution Package Operating Temp. Range TC820CPL 3-3/4 Digits 40-Pin PDIP 0 °Cto +70°C TC820CKW 3-3/4 Digits 44-Pin PQFP 0 °Cto +70°C TC820CLW 3-3/4 Digits 44-Pin PLCC 0 °Cto +70°C 3-3/4 Digit A/D Converter with Frequency Counter and Logic Probe |
Аналогичный номер детали - TC820CPL |
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Аналогичное описание - TC820CPL |
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