Datenblatt-Suchmaschine für elektronische Bauteile |
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ADC0838CIWM Datenblatt(PDF) 1 Page - National Semiconductor (TI) |
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ADC0838CIWM Datenblatt(HTML) 1 Page - National Semiconductor (TI) |
1 / 33 page ADC0831/ADC0832/ADC0834/ADC0838 8-Bit Serial I/O A/D Converters with Multiplexer Options General Description The ADC0831 series are 8-bit successive approximation A/D converters with a serial I/O and configurable input multiplex- ers with up to 8 channels. The serial I/O is configured to comply with the NSC MICROWIRE™ serial data exchange standard for easy interface to the COPS™ family of proces- sors, and can interface with standard shift registers or µPs. The 2-, 4- or 8-channel multiplexers are software configured for single-ended or differential inputs as well as channel assignment. The differential analog voltage input allows increasing the common-mode rejection and offsetting the analog zero input voltage value. In addition, the voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of resolution. Features n NSC MICROWIRE compatible — direct interface to COPS family processors n Easy interface to all microprocessors, or operates “stand-alone” n Operates ratiometrically or with 5 V DC voltage reference n No zero or full-scale adjust required n 2-, 4- or 8-channel multiplexer options with address logic n Shunt regulator allows operation with high voltage supplies n 0V to 5V input range with single 5V power supply n Remote operation with serial digital data link n TTL/MOS input/output compatible n 0.3" standard width, 8-, 14- or 20-pin DIP package n 20 Pin Molded Chip Carrier Package (ADC0838 only) n Surface-Mount Package Key Specifications n Resolution 8 Bits n Total Unadjusted Error ±1⁄2 LSB and ±1 LSB n Single Supply 5 V DC n Low Power 15 mW n Conversion Time 32 µs Typical Application 00558301 TRI-STATE® is a registered trademark of National Semiconductor Corporation. COPS™ and MICROWIRE™ are trademarks of National Semiconductor Corporation. July 2002 © 2002 National Semiconductor Corporation DS005583 www.national.com |
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