ADC0802LCN/NOPB Part Information

Details for ADC0802LCN/NOPB by Texas Instruments

Semiconductors - ICs > Data & Signal Conversion > Analog-to-Digital Converters - ADC

Part Description

The ADC0801, ADC0802, ADC0803, ADC0804, and ADC0805 devices are CMOS 8-bit successive approximation converters (ADC) 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 ADCs 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.

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Part Features

  • 0-V to 5-V Analog Input Voltage Range With Single 5-V Supply
  • 0.3-Inch Standard Width 20-Pin DIP Package
  • 20-Pin Molded Chip Carrier or Small Outline Package
  • Compatible With 8080-u00b5P Derivatives u2013 No Interfacing Logic Needed u2013 Access Time 135 ns
  • Differential Analog Voltage Inputs
  • Easy Interface to All Microprocessors, or Operates as a Stand-Alone Deivce
  • Key Specifications
  • Logic Inputs and Outputs Meet Both MOS and TTL Voltage-Level Specifications
  • No Zero Adjust Required
  • On-Chip Clock Generator
  • Operates Ratiometrically or With 5 VDC, 2.5 VDC, or Analog Span Adjusted Voltage Reference
  • Works With 2.5-V (LM336) Voltage Reference

Part Specifications

Resolution (Bits) 8bit
Sampling Rate 10kSPS
Input Channel Type Differential
Data Interface CMOS Parallel TTL
Supply Voltage Type Single
Supply Voltage Min 4.5V
RoHS Compliant

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