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TC14433A bảng dữ liệu(PDF) 1 Page - Microchip Technology |
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TC14433A bảng dữ liệu(HTML) 1 Page - Microchip Technology |
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1 / 24 page  © 2008 Microchip Technology Inc. DS21394D-page 1 TC14433/A 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 • Wide Supply Range: ±4.5V to ±8V Applications: • Portable Instruments • Digital Voltmeters • Digital Panel Meters • Digital Scales • Digital Thermometers • Remote A/D Sensing Systems Description 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 TC14433A features improved performance over the industry standard TC14433. Rollover, which is the measurement of identical positive and negative signals, is specified 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. The TC14433/A is available in 24-Pin PDIP, 24-Pin SOIC (TC14433 device only), and 28-Pin PLCC packages. Package Type Note 1: NC = No internal connection (In 28-Pin PLCC). 2: 24-Pin SOIC (Wide) package, only for TC14433 device. 1 2 3 4 16 15 14 5 6 7 8 13 19 18 17 9 10 11 12 20 21 22 23 24 VDD Q3 Q2 Q1 Q0 DS1 DS3 DS2 DS4 EOC OR R1 C1 CO1 CO2 R1/C1 CLK0 CLK1 DU VEE VSS VAG VX VREF TC14433/A 24-Pin PDIP (Wide) 24-Pin SOIC (Wide) Q1 Q0 DS2 DS3 DS1 DS4 CO1 CO2 R1/C1 C1 R1 NC NC DU 19 20 21 22 23 24 25 11 10 9 8 7 6 5 TC14433/A 12 13 14 15 17 18 4 3 2 1 27 26 28 16 28-Pin PLCC 3-1/2 Digit, Analog-to-Digital Converter |
Số phần tương tự - TC14433A |
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Mô tả tương tự - TC14433A |
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