MOD-315, ADC0809 8-bit µP Compatible Analog to Digital Converter with 8-Channel Analog Multiplexer Shield Module

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MOD-315
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ADC0809 8-bit µP Compatible Analog to Digital Converter with 8-Channel Analog Multiplexer Shield Module

  The ADC0809 Data Acquisition Device (DAD) implement most of the elements of the standard data acquisition system on a single chip. It contains an 8-bit A/D converter, an 8-channel multiplexer with an address input latch, and associated control logic. This device provides most of the logic to interface to a variety of microcontrollers with the addition of a minimum number of parts which are included in the kit. This converter, the ADC0809, has an unadjusted error of ±1 LSB. This converter typically does a conversion in ∼100µs when using a 640kHz clock but can convert a single input in as little as ∼50µs.

  This Analog-to-Digital Converter offers 8 analog input channels that can be selected using a 3-bit analog multiplexer (MUX). By selecting an analog voltage at the input an equivalent digital value can be found at the TRI-STATE® output pins (D0-D7). This value is in BCD (Binary Coded Decimal) and has to be converted to other user friendly formats (Binary, Decimal or Hex) for further analysis and processing.

  Specifications:

  • ADC Subfamily: Precision ADC (<= 10 MSPS)
  • Operating Vcc Range: 5 – 6 VDC
  • Vref (+) – Top of the ladder: Vcc
  • Vref (+) + Vref(-) / 2 – Center of the ladder: Vcc/2
  • Vref (-) – Bottom of the ladder: 0V
  • Resolution: 8 bits
  • Integral Nonlinearity (INL) / Error: ± 1 LSB
  • Conversion Time: 100 µS
  • Interface: Parallel
  • Number of Input Channels: 8 (selected using addressing logic with 3-bit MUX)
  • Number of Output Channels: 1 (8-bit parallel output)
  • Operating Temperature Range: -40 – 85 °C
  • PCB Assembly Dimensions: 52 x 33 x 12 mm / 2.04 x 1.30 x 0.47 ”

ADC0808/809 Datasheet (ADC0809_Datasheet.pdf, 1,681 Kb) [Download]

ANB-247_Additional Info (ANB-247.pdf, 1,422 Kb) [Download]

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