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ADC08138 - 8-Bit High-Speed Serial I/O A/D Converters

This page provides the datasheet information for the ADC08138, a member of the ADC08134 8-Bit High-Speed Serial I/O A/D Converters family.

Description

The ADC08131/ADC08134/ADC08138 are 8-bit successive approximation A/D converters with serial I/O and configurable input multiplexers with up to 8 channels.

Features

  • n Serial digital data link requires few I/O pins n Analog input track/hold function n 4- or 8-channel input multiplexer options with address logic n On-chip 2.5V band-gap reference (±2% over temperature guaranteed) n No zero or full scale adjustment required n TTL/CMOS input/output compatible n 0V to 5V analog input range with single 5V power supply Key Specifications n Resolution 8 Bits n Conversion time (fC = 1 MHz) 8 µs (Max) n Power dissipation 20 mW (Max) n Single supply n Total una.

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Full PDF Text Transcription

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ADC08131/ADC08134/ADC08138 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function June 1999 ADC08131/ADC08134/ADC08138 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function General Description The ADC08131/ADC08134/ADC08138 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 MICROWIRE™ serial data exchange standard for easy interface to the COPS™ family of controllers, and can easily interface with standard shift registers or microprocessors. All three devices provide a 2.5V band-gap derived reference with guaranteed performance over temperature.
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