ADC0802 DATASHEET PDF

The ADC, ADC, ADC, ADC and. ADC are CMOS 8-bit successive approximation A/D converters that use a differential potentiometric. ADC datasheet, ADC circuit, ADC data sheet: NSC – 8 BIT UP COMPATIBLE A/D CONVERTERS,alldatasheet, datasheet, Datasheet search site. ADC ADC – 8-Bit µP Compatible A/D Converters, Package: Mdip, Pin Nb= The ADC, ADC and ADC are CMOS 8-bit successive.

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Output Short Circuit Current. As can be seen, this reduces the allowed initial tolerance of the refer- ence voltage and requires correspondingly less absolute change with temperature variations. The output data latch is not updated if the conversion in progress is not completed. V REF The ddatasheet scale adjustment can be made by applying a. As long as the analog V IN does adx0802 exceed the supply voltage by more than 50mV, the output code will be correct.

To achieve an absolute 0V to 5V input voltage range will therefore require a minimum supply volt. For example, if the span is reduced to 2. Zero error is the difference.

For larger clock line loading, a CMOS or low power. With an asynchronous start pulse, up to 8 clock periods may be required before the internal clock phases are proper to start the conversion process.

8-Bit µP Compatible A/D Converters

Both are ground referenced. If the minimum analog input voltage value, V lN MlNis not ground, a zero offset can be done. Restart During a Conversion. See the Zero Error description in this data sheet. In this application, the CS input is grounded and the WR.

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Note that spans smaller. DGND, being careful to avoid ground loops. In general, the reference voltage will require an initial. However, if an all zero code is desired for an analog input other than 0V, or if a narrow full scale span. In absolute conversion applicatIons, both the initial.

Two on-chip diodes are tied to each analog input see Block Diagram datxsheet. However, if an all zero code is desired for an analog input other than 0V, zdc0802 if a narrow full scale span exists for example: In reduced span applica. This WR and INTR node should be momentarily forced to logic low following a power- up cycle to insure circuit operation. In general, the reference voltage will require an initial adjustment.

As long as the analog V IN does not exceed the supply voltage by more than. See Figure 17 for details.

IC voltage regulators may be used for references if the ambient temperature changes are not excessive. With an asynchronous start pulse, up to 8 clock periods may be required before the internal clock phases are proper to start the conversion. IC voltage regulators may be used for references if the.

Users should follow proper IC Handling Procedures. An arbitrarily wide pulse. The separate AGND point should always be wired to the. The differential analog voltage input has good common. To achieve an absolute 0V to 5V input voltage range will therefore require a minimum supply volt- age of 4.

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In addition, the voltage reference input can be. The converter can be made to output. For example, if the. The differential analog voltage input has good common- mode-rejection and permits offsetting the analog zero-input- voltage value. These devices are sensitive to electrostatic discharge. In ratiometric converter applications.

The data from the. An arbitrarily wide pulse width will hold the converter in a reset mode and the start of conversion is initiated by the low to high transition of the WR pulse see Timing Diagrams.

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The output data latch is not updated if the. In addition, the voltage reference input can be adjusted to allow encoding any datasheett analog voltage span to the full 8 bits of resolution.

Note that spans smaller than 2. Errors due to an improper datasyeet of reference. These converters appear to the. The converter can be operated in a pseudo-ratiometric mode. The data from the previous conversion remain in this latch.