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ADC08038CIWM Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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ADC08038CIWM Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
1 / 24 page ADC08031/ADC08034/ADC08038 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function General Description The ADC08031/ADC08032/ADC08034/ADC08038 are 8-bit successive approximation A/D converters with serial I/O and configurable input multiplexers with up to 8 channels. The serial I/O is configured to comply with the NSC MICROW- IRE™ serial data exchange standard for easy interface to the COPS™ family of controllers, and can easily interface with standard shift registers or microprocessors. The ADC08034 and ADC08038 provide a 2.6V band-gap de- rived reference. For devices offering guaranteed voltage ref- erence performance over temperature see ADC08131, ADC08134 and ADC08138. A track/hold function allows the analog voltage at the positive input to vary during the actual A/D conversion. The analog inputs can be configured to operate in various combinations of single-ended, differential, or pseudo-differential modes. In addition, input voltage spans as small as 1V can be accommodated. Applications n Digitizing automotive sensors n Process control monitoring n Remote sensing in noisy environments n Instrumentation n Test systems n Embedded diagnostics Features n Serial digital data link requires few I/O pins n Analog input track/hold function n 2-, 4-, or 8-channel input multiplexer options with address logic n 0V to 5V analog input range with single 5V power supply n No zero or full scale adjustment required n TTL/CMOS input/output compatible n On chip 2.6V band-gap reference n 0.3" standard width 8-, 14-, or 20-pin DIP package n 14-, 20-pin small-outline packages Key Specifications n Resolution 8 bits n Conversion time (fC= 1 MHz) 8µs (max) n Power dissipation 20mW (max) n Single supply 5V DC (±5%) n Total unadjusted error ±1⁄2 LSB and ±1LSB n No missing codes over temperature Ordering Information Industrial (−40˚C ≤ T A ≤ +85˚C) Package ADC08031CIN N08E ADC08031CIWM, ADC08034CIWM M14B ADC08038CIWM M20B TRI-STATE® is a registered trademark of National Semiconductor Corporation. COPS™ microcontrollers and MICROWIRE™ are trademarks of National Semiconductor Corporation. June 1999 © 1999 National Semiconductor Corporation DS010555 www.national.com |
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