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ADC0803

ADC0803 Manufacturer

National Semiconductor

ADC0803 Description

8-Bit µP Compatible A/D Converters

ADC0803 Categories

8-Bit A/D Converters

ADC0803 Datasheet (PDF)

ADC0803 Datasheet

ADC0803 Price & Availability


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ADC0803 Features

  • Compatible with 8080 µP derivatives-no interfacing logic needed - access time - 135 ns
  • Easy interface to all microprocessors, or operates "stand alone"

ADC0803 Description

    The ADC0801, ADC0802, ADC0803, ADC0804 and ADC0805 are CMOS 8-bit successive approximation A/D converters that use a differential potentiometric ladder-similar to the 256R products. These converters are designed to allow operation with the NSC800 and INS8080A derivative control bus with TRI-STATE output latches directly driving the data bus. These A/Ds appear like memory locations or I/O ports to the microprocessor and no interfacing logic is needed.

    Differential analog voltage inputs allow 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.

    ADC0803 Parameters

    Temperature Min (deg C)-40
    Temperature Max (deg C)85
    Resolution (bit)8
    MinSupply Voltage (Volt)4.50
    MaxSupply Voltage (Volt)6.30
    Conversion Time (us)100
    On-Board ReferenceNo
    Differential InputYes
    Input Sample/HoldNo
    Multiplexer Inputs ()1
    Interface TypeParallel
    Software PowerdownNo
    Conversion Accuracy (LSB).50
    Select parameters and click to see components with these parameters.

    Products Similar to ADC0803

    ADC0801, ADC0801LCN, ADC0802, ADC0802LCN, ADC0802LCWM

     
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