78L03 DATASHEET PDF

78L03 Datasheet, 78L03 PDF, 78L03 Data sheet, 78L03 manual, 78L03 pdf, 78L03, datenblatt, Electronics 78L03, alldatasheet, free, datasheet, Datasheets. 78L03 datasheet, 78L03 circuit, 78L03 data sheet: KEXIN – Three-Terminal Voltage Regulator,alldatasheet, datasheet, Datasheet search site for Electronic. The information in this datasheet is intended to illustrate the operation and completeness of the information contained in this datasheet nor grant any license to.

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By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. I will connect a voltage divider to the input of the ADC to measure the voltage. I found the equations to calculate the result.

This is a link to the data sheet and a pic of the ADC operation conditions. You must provide the reference voltage, which will directly affect the accuracy of your ADC.

78L03 Datasheet(PDF) – Guangdong Kexin Industrial Co.,Ltd

You could use the supply voltage however that is usually a pretty crude and noisy reference source. A reasonable choice would be an external 2. You can go as low as 1. The Varef pin has high impedance when the converter is 78l30 operating, however it datasheft 30pC typically per conversion. Even an inexpensive TL will be okay at maximum conversion rate. If you want tighter tolerance than the 0.

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Page 38 of datasheet shows a VREF pin. Tie that to VDD. Your reported voltage will only be as accurate as the VDD.

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Some sensors are ratio-metric and thus tolerate variations in VREF. Bridges, such as strain gauges, are one such sensor.

Have you examined the code-spread caused by external noise sources that couple into your sensor, or into your wiring between sensor and ADC, or into your ADC IC? There is a datasheeh discussing this, for a thermistor of Kohm; check on robustcircuitdesign.

78L03 – Three-Terminal Voltage Regulator

By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. Home Questions Tags Users Unanswered. Spehro Pefhany k 4 AngeloQ 1, 1 5 I see no mention of internal reference in the Table of Contents.

I went through another document which was 18MB and found no Vref. ADC just survives with external ref. Remember to filter and decouple with a RC circuit if you do not have a separate Vref regulator such as the 78L Sign up or log in Sign up using Google.

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