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LM20 Folha de dados(PDF) 7 Page - National Semiconductor (TI) |
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LM20 Folha de dados(HTML) 7 Page - National Semiconductor (TI) |
7 / 9 page 5.0 Applications Circuits DS100908-18 FIGURE 6. Centigrade Thermostat DS100908-19 FIGURE 7. Conserving Power Dissipation with Shutdown DS100908-28 Most CMOS ADCs found in ASICs have a sampled data comparator input structure that is notorious for causing grief to analog output devices such as the LM20 and many op amps. The cause of this grief is the requirement of instantaneous charge of the input sampling capacitor in the ADC. This requirement is easily accommodated by the addition of a capacitor. Since not all ADCs have identical input stages, the charge requirements will vary necessitating a different value of compensating capacitor. This ADC is shown as an example only. If a digital output temperature is required please refer to devices such as the LM74. FIGURE 8. Suggested Connection to a Sampling Analog to Digital Converter Input Stage www.national.com 7 |
Nº de peça semelhante - LM20 |
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Descrição semelhante - LM20 |
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