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ADC1038CIWM Scheda tecnica(PDF) 1 Page - National Semiconductor (TI) |
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ADC1038CIWM Scheda tecnica(HTML) 1 Page - National Semiconductor (TI) |
1 / 13 page ADC1038 10-Bit Serial I/O A/D Converter with Analog Multiplexer and Track/Hold Function General Description The ADC1038 is a 10-bit successive approximation A/D con- verters with serial I/O. The serial input controls a single-ended analog multiplexer that selects one of 8 input channels. The serial output data can be configured into a left- or right-justified format. An input track/hold is implemented by a capacitive reference ladder and sampled-data comparator. This allows the analog input to vary during the A/D conversion cycle. Separate serial I/O and conversion clock inputs are provided to facilitate the interface to various microprocessors. Applications n Engine control n Process control n Instrumentation n Test equipment Features n Serial I/O ( MICROWIRE™ compatible) n Separate asynchronous converter clock and serial data I/O clock n Analog input track/hold function n Ratiometric or absolute voltage referencing n No zero or full scale adjustment required n 0V to 5V analog input range with single 5V power supply n TTL/MOS input/output compatible n No missing codes Key Specifications n Resolution 10 bit n Total unadjusted error ±1 LSB (max) n Single supply 5V ±5% n Power dissipation 20 mW (max) n Max. conversion time (fC= 3 MHz) 13.7 µs (max) n Serial data exchange time (fS= 1 MHz) 10 µs (max) Connection Diagrams Ordering Information Industrial −40˚C ≤ T A ≤ +85˚C Package ADC1038CIWM M20B TRI-STATE® is a registered trademark of National Semiconductor Corporation. MICROWIRE™ is a trademark of National Semiconductor Corporation. SO Package DS010556-2 Top View ADC1038 In NS Package M20B June 1999 © 1999 National Semiconductor Corporation DS010556 www.national.com |
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