adc0854 National Semiconductor Corporation, adc0854 Datasheet
adc0854
Related parts for adc0854
adc0854 Summary of contents
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... DAC reference input is internally tied to V The multiplexer and 8-bit DAC are programmed via a serial data input word Once programmed the output is updated FIGURE 1 ADC0854 Simplified Block Diagram (ADC0852 has 2 input channels COM tied to GND V ADC0852 2-CHANNEL MUX Dual-In-Line Package ...
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... Off Channel (Notes 1 and 2) Lead Temp (Soldering 10 seconds) Dual-In-Line Package (plastic) ESD Susceptibility (Note 14 Operating Conditions 6 5V Supply Voltage Temperature Range ADC0854CCN ADC0852CCN 150 ADC0852CCN ADC0854CCN Tested Typ Limit (Note 4) (Note 5) ...
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... V OUT I V SOURCE OUT I V SINK OUT I Supply Current Includes DAC CC ADC0852 Ladder Current I Supply Current Does not Include DAC CC ADC0854 (Note 3) Ladder Current ( ADC0852) f CLK e e all other limits ADC0852CCN ADC0854CCN Tested ...
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AC Characteristics Symbol Parameter f Clock Frequency MIN CLK (Note 12) MAX t Rising Edge of Clock D1 to ‘‘DO’’ Enabled t Comparator Response r Time (Note 13) Clock Duty Cycle ...
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... Voltage REF Output Current vs Temperature I Power Supply Current CC vs Temperature ADC0854 For ADC0852 add I REF Internal DAC Linearity Error vs Temperature Comparator Error vs f Comparator Offset vs Temperature I Power Supply CC Current vs f ADC0854 CLK 5 CLK I Reference REF Current vs Temp ADC0854 TL H 5521 – 2 ...
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Timing Diagrams Data Input Timing TRI-STATE Test Circuits and Waveforms Leakage Test Circuit Data Output Timing TL H 5521 – 5521 – 5521 – 5521 – 6 ...
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... Functional Description 1 1 The Sampled-data Comparator The ADC0852 and ADC0854 utilize a sampled-data com- parator structure to compare the analog difference between selected ‘‘ ’’ and ‘‘ ’’ input to an 8-bit programmable threshold This comparator consists of a CMOS inverter with a capaci- ...
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... One device pack- age can now handle ground referenced inputs as well as signals with some arbitrary reference voltage On the ADC0854 the ‘‘common’’ pin (pin 6) is used as the b ‘‘ ’’ input for all channels in single-ended mode Since this ...
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... Single-Ended 2 Differential FIGURE 6 Analog Input Multiplexer Options for the ADC0854 TABLE II MUX Addressing ADC0852 Single Ended MUX Mode MUX Address SGL ODD 3 COM DIF SIGN COM is internally tied to A GND Differential MUX Mode ...
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... REFERENCE CONSIDERATIONS RATIOMETRIC OPERATION The voltage applied to the ‘‘V the voltage span that can be programmed to appear at the threshold input of the comparator The ADC0854 can be used in either ratiometric applications or in systems with absolute references The V source capable of driving the DAC ladder resistance (typ ...
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... POWER SUPPLY A unique feature of the ADC0854 is the inclusion volt zener diode connected from the ‘‘V ( Figures 2 and 8 ) ‘‘V a ’’ also connects to ‘‘V ...
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Typical Applications (Continued) FIGURE 10 Generating V from the Comparator Clock CC FIGURE 12 Protecting the Analog Input FIGURE 13 One Component Window Comparator Requires no additional parts Window comparisons can be accomplished by inputting the upper and lower window ...
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... Typical Applications (Continued) FIGURE 14 Serial Input Temperature Controller Note 1 ADC0854 does not require constant service from computer Self controlled after one write remains low Note 2 U Solid State Relay Potter Brumfield EOM1DB22 1 Note 3 Set Temp via DI Range 0 to 125 C ...
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Typical Applications (Continued) Q used in inverted mode for low V 1 SAT FIGURE 16 Adding Comparator Hysteresis Range of pulse-widths controlled via 5521 – 29 FIGURE 17 Pulse-Width Modulator 5521 ...
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... Typical Applications (Continued) Ordering Information Analog Input Part Number Channels ADC0852CCN 2 ADC0854CCN 4 FIGURE 18 Serial Input 8-Bit DAC Total Package Unadjusted Error 5521 – 28 Temperature Range N08E N14A ...
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Physical Dimensions inches (millimeters) Dual-In-Line Package Order Number ADC0852CCN NS Package Number N08E 19 ...
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... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Dual-In-Line Package Order Number ADC0854CCN NS Package Number N14A 2 A critical component is any component of a life ...