adc0800pd National Semiconductor Corporation, adc0800pd Datasheet
adc0800pd
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adc0800pd Summary of contents
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... The binary output is TRI-STATE to permit bussing on com- mon data lines b The ADC0800PD is specified over the ADC0800PCD is specified over Block Diagram TRI-STATE is a registered trademark of National Semiconductor Corp ...
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... D e device T 125 C and the typical junction-to-ambient thermal resistance of the ADC0800PD and ADC0800PCD when board mounted JMAX Note 4 Human body model 100 pF discharged through resistor Note 5 Typicals are and represent most likely parametric norm Note 6 Tested limits are guaranteed to National’s AOQL (Average Outgoing Quality Level) ...
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Timing Diagram Data is complementary binary (full scale is all ‘‘0’s’’ output) Application Hints OPERATION The ADC0800 contains a network with 256-300X resistors in series Analog switch taps are made at the junction of each resistor and at each end ...
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Application Hints (Continued) CMOS will satisfy this requirement but a pull-up resistor should be used for TTL logic inputs RE-START AND DATA VALID AFTER EOC The EOC line (pin 9) will be in the low state for a maximum of ...
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Application Hints (Continued) ZERO AND FULL-SCALE ADJUSTMENT Zero Adjustment This is the offset voltage required at the bottom of the R-network (pin 5) to make the 11111111 to 11111110 transition when the input voltage is mV for a 10 24V ...
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Typical Applications (Continued) See application hints e A1 and A2 LM358N dual op amp V REF With TTL Logic Levels REF With 10V CMOS Logic Levels DC Input Level Shifting Permits ...
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Typical Applications (Continued) TESTING THE A D CONVERTER There are many degrees of complexity associated with test- ing converter One of the simplest tests is to apply a known analog input voltage to the converter and use ...
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Typical Applications (Continued) The digital output LED display can be decoded by dividing the 8 bits into the 4 most significant bits and 4 least signifi- cant bits Table I shows the fractional binary equivalent of these two 8-bit groups ...
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... All R’s 0 05% tolerance Dual-In-Line Package TL H 5670 – 9 Top View Order Number ADC0800PD or ADC0800PCD See NS Package Number D18A 9 LSB steps for the 8-bit 5670 – 5670 – 17 ...
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... Physical Dimensions inches (millimeters) Hermetic Dual-In-Line Package (D) Order Number ADC0800PD or ADC0800PCD LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein ...