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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These converters appear to the.
The differential analog voltage input has good common. In addition, the voltage reference input can be. These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Output Short Circuit Current. The separate AGND point should always be wired to the. DGND, being careful to avoid ground loops.
Two afc0802 diodes are tied to each analog input see Block Diagram which. As long as the analog V IN does not exceed the supply voltage by more than.
To achieve an absolute 0V to 5V input voltage range will therefore require a minimum supply datadheet. With an asynchronous start pulse, up to 8 clock periods may be required before the internal clock phases are proper to start the conversion.
An arbitrarily wide pulse. However, if an all zero code is desired for an analog input other than 0V, or if a narrow full scale span.
PDF ADC-0804 Datasheet ( Hoja de datos )
See the Zero Error description in this data sheet. V REF The full scale adjustment can be made by applying a. The converter can be operated in a pseudo-ratiometric mode. In ratiometric converter applications. In absolute conversion applicatIons, both the initial.
In reduced span applica. For example, if the. Note that spans smaller. In general, the reference voltage will require an initial. Errors due to an improper value of reference. IC voltage regulators may be used for references if the. The converter can be made to output.
Zero error is the difference.
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Both are ground referenced. For larger clock line loading, a CMOS or low power. Restart During a Conversion. The output data latch is not updated if the. The data from the. In this application, the CS input is grounded and the WR.
See Figure 17 for details. The differential analog voltage input has good common- mode-rejection and permits offsetting the analog zero-input- voltage value.
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In addition, the voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of resolution. As datasheeet as the analog V IN does not 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- age of 4. 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. An arbitrarily wide pulse width will hold the converter in a reset mode and the start of conversion is initiated datasheeg the low to high transition of the WR pulse see Timing Diagrams. Fatasheet, if an all zero code is desired for an analog input other adc08802 0V, or if a narrow full scale span exists for example: For example, if the span is reduced to 2.
As can be seen, this reduces the allowed initial tolerance of the refer- ence voltage and requires correspondingly less absolute change with temperature variations. Note that spans smaller than 2.
In general, the reference voltage will require an initial adjustment. IC voltage regulators may be used for references if the ambient temperature changes are not excessive.
If the minimum analog input voltage value, V lN MlNis not ground, a zero offset can be done. The output data latch is not updated if the conversion in progress is not completed. The data from the previous conversion remain in this latch. This WR and INTR node should be momentarily forced to logic low following a power- up cycle to insure circuit operation.