ADC08231 National Semiconductor, ADC08231 Datasheet
ADC08231
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ADC08231 Summary of contents
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... ADC08231 ADC08234 ADC08238 8-Bit 2 s Serial Converters with MUX Reference and Track Hold General Description The ADC08231 ADC08234 ADC08238 are 8-bit succes- sive approximation A D converters with serial I O and con- figurable input multiplexers with channels The serial ...
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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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... Total Unadjusted Error BIN BIWM CIN CIMF CIWM Differential Linearity R Reference Input Resistance REF V Analog Input Voltage IN Operating Ratings (Notes 1 3) Temperature Range ADC08231BIN ADC08231CIN ADC08234BIN ADC08234CIN 6 5V ADC08238BIN ADC08238CIN ADC08231BIWM ADC08231CIWM ADC08234BIWM ADC08238BIWM ADC08234CIWM ADC08238CIWM 800 mW ...
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... V Logical ‘‘0’’ Output Voltage OUT(0) I TRI-STATE Output Current OUT I Output Source Current SOURCE I Output Sink Current SINK I Supply Current CC ADC08234 ADC08238 ADC08231 (Note 16) (Continued and REF DC CLK all other limits T ...
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... REF ADC08234 8 ADC08238 REF ADC08231 100 200 5 ADC08231 ADC08234 and Units CIN BIWM (Limits) Limits (Note ppm (max (max (max) ...
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... ADC08231 with BIN and CIN suffixes 120 C W ADC08234 with BIN and CIN suffixes ADC08234 with CIMF suffix 167 C W ADC08238 with BIN and CIN suffixes ADC08231 with BIWM and CIWM suffixes 140 C W ADC08234 with BIWM and CIWM suffixes 140 C W ...
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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 Output Current vs Power Supply Current Temperature vs 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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... 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 Timing ADC08231 Start Conversion Timing 11015 – 11015 – 11015– 11015 – 12 ...
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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 analog signal (t ) Otherwise it is compatible with the ADC0831 ca To reset the ADC08234 CLK and CS must be simultaneously high for a period of t ...
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Timing Diagrams (Continued) 11 ...
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ADC08238 Functional Block Diagram 12 ...
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... MUX addressing codes shown in the following tables for the various product options ’’ input ter- b The MUX address is shifted into the converter via the DI line Because the ADC08231 contains only one differential ’’ input channel with a fixed polarity assignment it does not b require addressing ...
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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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... LSB first is automatically shifted out the DO line after the MSB first data stream The DO line then goes low and stays low until CS is returned high The ADC08231 is an exception in that its data is only output in MSB first format 8 All internal registers are cleared when the CS line is high ...
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... Zero error a IN LSB value 5 000V ) e REF DC LSB down from the desired V 3V’’) This is possible only the ADC08231) REF ( ) voltage which a IN LSB (where the ’’ input and a ’’ input HEX HEX ( ...
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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 85 XDR s REF Span Adjust ...
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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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