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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The separate AGND point should always be wired to the.

However, if an all zero code is desired for an analog input other than 0V, or if a narrow full scale span. 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.

With an asynchronous start pulse, up to 8 clock periods may be required before the internal clock phases daatasheet proper to start the dstasheet process.

For larger clock line loading, a CMOS or low power. Note that spans smaller than 2. In addition, the voltage reference input can be. With an asynchronous start pulse, up to 8 clock periods may be required before the internal clock phases are proper to start the conversion.

ADC0802 Datasheet PDF

This WR and INTR node should be momentarily forced to logic low following a power- up cycle to insure circuit operation. DGND, being careful to avoid ground loops.

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In this application, the CS input datasheeet grounded and the WR. In general, the reference voltage will require an initial adjustment.

ADC datasheet, Pinout ,application circuits 8-Bit µP Compatible A/D Converters

As long as the analog V IN does not exceed the supply voltage by more than 50mV, the output code will be correct. The output data latch is not datashset if the conversion in progress is not completed. The output data latch is not updated if the. An arbitrarily wide pulse.

The data from the previous conversion remain in this latch. IC voltage regulators may be used for references if the ambient temperature changes are not excessive. Errors due to an improper value of reference. Output Short Circuit Current. These converters appear to the. However, if an all zero code is desired for an analog input other than 0V, or if a narrow full scale span exists for example: As long as the analog V IN does not exceed the supply voltage by xatasheet than.

Note that spans smaller.

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datwsheet In general, the reference voltage will require an initial. To achieve an absolute 0V to 5V input voltage range will therefore require a minimum supply volt- age of 4. For example, if the. If the minimum analog input voltage value, V lN MlNis not ground, a zero offset can be done.

As can be seen, this reduces the allowed initial tolerance of the refer- ence voltage and requires correspondingly less absolute change with temperature variations. In reduced span applica. In ratiometric converter applications.

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To achieve an absolute 0V to 5V input voltage range will therefore require a minimum supply volt. Users should follow proper IC Handling Procedures. IC voltage regulators may be used for references if the. The datasneet analog voltage input has good common. In absolute conversion applicatIons, both the initial. The converter can be made to output.

See the Zero Error description in this data sheet. For example, if the span is reduced to 2. In addition, the voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of resolution. The differential analog voltage input has good common- mode-rejection and permits offsetting the analog zero-input- voltage value. V REF The full scale adjustment can be made by applying a. Both are ground referenced. The data from the.

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The converter can be operated in a pseudo-ratiometric mode. See Figure 17 for details. Zero error is the difference. Two on-chip diodes are tied dxtasheet each analog input see Block Diagram which. Restart During a Conversion. These devices are sensitive to electrostatic discharge.