ad0804芯片

TLH5671ADC0801ADC0802ADC0803ADC0804ADC08058-BitmPCompatibleADConvertersDecember 1994ADC0801ADC0802ADC0803ADC0804ADC08058-Bit mP Compatible AD ConvertersGeneral DescriptionTheADC0801ADC0802ADC0803ADC0804andADC0805 are CMOS8-bit successive approximation ADconverters that use a differential potentiometric laddersimilar to the 256R products These converters are de-signed to allow operation with the NSC800 and INS8080Aderivative control bus with TRI-STATE output latches di-rectly driving the data bus These ADs appear like memorylocations or IO ports to the microprocessor and no inter-facing logic is neededDifferential analog voltage inputs allow increasing the com-mon-mode rejection and offsetting the analog zero inputvoltage value In addition the voltage reference input canbe adjusted to allow encoding any smaller analog voltagespan to the full 8 bits of resolutionFeaturesY Compatible with 8080 mP derivativesno interfacinglogic needed - access time - 135 nsY Easyinterfacetoallmicroprocessorsoroperates‘‘stand alone’’Y Differential analog voltage inputsY Logic inputs and outputs meet both MOSand TTL volt-age level specificationsY Works with 25V (LM336)voltage referenceY On-chip clock generatorY 0V to 5V analog input voltage range with single 5VsupplyY No zero adjust requiredY 03 standard width 20-pin DIP packageY 20-pin molded chip carrier or small outline packageY Operates ratiometrically or with 5 VDC 25 VDC or ana-log span adjusted voltage referenceKey SpecificationsY Resolution8 bitsY Total errorg LSB g LSB and g1 LSBY Conversion time100 msTypical ApplicationsTLH5671– 18080 InterfaceTLH5671– 31Error Specification(IncludesFull-ScaleZero Errorand Non-Linearity)PartFull-VREF...