adc08234cimf National Semiconductor Corporation, adc08234cimf Datasheet
adc08234cimf
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adc08234cimf Summary of contents
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... Remote sensing in noisy environments Y Disk drives Y Portable instrumentation Y Test systems Y ADC08238 Simplified Block Diagram TRI-STATE is a registered trademark of National Semiconductor Corporation COPS TM microcontrollers and MICROWIRE TM are trademarks of National Semiconductor Corporation C 1995 National Semiconductor Corporation TL H 11015 Features Serial digital data link requires few I O pins ...
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... Ordering Information ADC08231BIN ADC08231CIN ADC08234BIN ADC08234CIN ADC08234CIMF ADC08238BIN ADC08238CIN ADC08231BIWM ADC08231CIWM ADC08234BIWM ADC08234CIWM ADC08238BIWM ADC08238CIWM Connection Diagrams ADC08238 SO and DIP ADC08231 DIP ADC08231 SO Industrial Package N08E DIP N14A DIP MTB24 TSSOP N20A DIP M14B SO M14B SO M20B 11015 – 11015 – ...
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... Temperature Range ADC08231BIN ADC08231CIN ADC08234BIN ADC08234CIN 6 5V ADC08238BIN ADC08238CIN ADC08231BIWM ADC08231CIWM ADC08234BIWM ADC08238BIWM ADC08234CIWM ADC08238CIWM 800 mW ADC08234CIMF 1500V Supply Voltage (V 260 C 215 C 220 150 and f DC ...
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Electrical Characteristics The following specifications apply for V CC specified Boldface limits apply for T A Symbol Parameter CONVERTER AND MULTIPLEXER CHARACTERISTICS (Continued) DC Common-Mode Error Power Supply Sensitivity On Channel Leakage Current (Note 13) Off Channel Leakage Current (Note ...
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Electrical Characteristics The following specifications apply for all other limits MIN MAX Symbol Parameter REFERENCE CHARACTERISTICS V OUT Output Voltage REF DV DT Temperature Coefficient REF DV DI ...
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Electrical Characteristics (Continued) The following specifications apply for Boldface limits apply for MIN Symbol Parameter f Clock Frequency CLK Clock Duty Cycle (Note 14) T Conversion Time (Not Including C MUX ...
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Typical Performance Characteristics Linearity Error vs Reference Voltage Power Supply Current vs Temperature (ADC08238 ADC08234) Note For ADC08231 add I (Note 16) REF Spectral Response with 10 kHz Sine Wave Input Linearity Error vs Linearity Error vs Temperature Clock Frequency ...
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Typical Reference Performance Characteristics Load Regulation Output Drift Line Regulation vs Temperature (3 Typical Parts) (3 Typical Parts) Available Output Current vs Supply Voltage 11015 – 7 ...
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TRI-STATE Test Circuits and Waveforms Timing Diagrams To reset these devices CLK and CS must be simultaneously high for a period 11015 – 8 Data Input Timing or greater SELECT Data Output ...
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Timing Diagrams (Continued) LSB first output not available on ADC08231 LSB information is maintained for remainder of clock periods until CS goes high To reset the ADC08231 CLK and CS must be simultaneusly high for a period of t the ...
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Timing Diagrams (Continued) 11 ...
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ADC08238 Functional Block Diagram 12 ...
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Functional Description 1 0 MULTIPLEXER ADDRESSING The design of these converters utilizes a comparator struc- ture with built-in sample-and-hold which provides for a dif- ferential analog input to be converted by a successive- approximation routine The actual voltage converted is ...
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Functional Description (Continued) TABLE II MUX Addressing ADC08238 (Continued) Differential MUX Mode MUX Address SGL ODD SELECT START DIF SIGN ...
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Functional Description (Continued) Since the input configuration is under software control it can be modified as required before each conversion A channel can be treated as a single-ended ground refer- enced input for one conversion then it can be reconfigured ...
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Functional Description (Continued) 3 When the start bit has been shifted into the start location of the MUX register the input channel has been assigned and a conversion is about to begin An interval of 1 clock periods is automatically ...
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Functional Description (Continued THE ANALOG INPUTS The most important feature of these converters is that they can be located right at the analog signal source and through just a few wires can communicate with a controlling proces- sor ...
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Applications A ‘‘Stand-Alone’’ Hook-Up for ADC08238 Evaluation Pinouts shown for ADC08238 For all other products tie to pin functions as shown Low-Cost Remote Temperature Sensor 11015 – 21 ...
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Applications (Continued) Diodes are 1N914 Operating with Ratiometric Transducers 15 REF s Protecting the Input REF V XDR s 85 REF Span Adjust 0V ...
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Applications (Continued) Zero-Shift and Span Adjust 11015 – ...
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Physical Dimensions inches (millimeters) Order Number ADC08231BIWM ADC08231CIWM Order Number ADC08238BIWM or ADC08238CIWM ADC08234BIWM or ADC08234CIWM NS Package Number M14B NS Package Number M20B 21 ...
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... Physical Dimensions inches (millimeters) (Continued) Order Number ADC08231BIN or ADC08231CIN TSSOP Molded Package Order Number ADC08234CIMF NS Package Number MTB24 NS Package Number N08E 22 ...
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Physical Dimensions inches (millimeters) (Continued) Order Number ADC08234BIN or ADC08234CIN Molded Dual-In-Line Package (N) NS Package Number N14A 23 ...
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Physical Dimensions inches (millimeters) (Continued) Order Number ADC08238CIN or ADC08238BIN 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 ...