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ADC0820CNEN Fiches technique(PDF) 11 Page - NXP Semiconductors |
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ADC0820CNEN Fiches technique(HTML) 11 Page - NXP Semiconductors |
11 / 14 page Philips Semiconductors Linear Products Product specification ADC0820 8-Bit, high-speed, µP-compatible A/D converter with track/hold function August 31, 1994 578 • MS COMPARATORS ZERO TO REFERENCE LADDER. • LS COMPARATORS FLOAT • MS COMPARATORS COMPARE VIN TO THEIR REFERENCE LADDER TAP. THE COMPARATOR VIN • VLADDER TAP. • LS COMPARATORS ZERO TO VIN THE COMPARATOR’S INPUT CAPACTORS TRACK VIN. • MS COMPARATORS OUT– PUTS ARE LATCHED. THE MS DAC IS SET. THE MS COMPARATOR FLOATS. • LS COMPARATORS COM– PARE LSB SECTION OF REF– ERENCE LADDER • LS COMPARATORS OUTPUTS ARE LATCHED AND CAN BE READ • MS COMPARATORS RE TURN TO ZERO MODE. WR 600ns Figure 8. Operating Sequence (WR-RD Mode) a. External Reference 2.5V Full-Scale b. Power Supply as Reference c. Input not Referred to GND IN+ GND REF (+) REF(–) VIN(+) VIN(–) 1.2k 5V 2.5V IN+ GND REF (+) REF(–) VIN(+) VIN(–) 5V IN+ GND REF (+) REF(–) VIN(+) VIN(–) 1.2k 5V 2.5V • CURRENT PATH MUST STILL EXIST FROM VIN(–) TO GROUND Figure 9. Analog Input Options |
Numéro de pièce similaire - ADC0820CNEN |
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Description similaire - ADC0820CNEN |
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