16-Bit, 16-Channel, PC/104 Multifunction Analog I/O Boards

Main Features:

  • 16-bit resolution A/D
  • Up to 500kHz sampling rate
  • 16 single-ended or 8 differential analog inputs
  • 10 input ranges, unipolar or bipolar
  • A/D starts from software, timer and external trigger
  • Single channel or scan A/D modes
  • On-board calibration reduces A/D converter offset and gain errors
  • Noise reduction with channel oversampling
  • Over-voltage protection of -40V to +55V
  • 1024 sample data FIFO for A/D
  • Two 12-bit D/A outputs and 16 high-current digital I/O lines
  • DAC error calibration
  • 16-bit programmable counter/timer


Factory options:

  • FIFO up to 4K sample
  • Programmable amplifier with gains of 1, 10, 100, and 1000
  • Onboard DC/DC converter enables operation from a single +5V power supply
  • Extended temperature operation (-40°C to + 85°C)
  • RoHS Available. Please contact us for ordering information





Analog Inputs:

  • Inputs: 16 single-ended or 8 differential
  • Resolution: 16-bit
  • Bipolar Ranges: ±0.5V, ±1V, ±2V, ±2.5V, ±5V, ±10V (jumper/software selectable)
  • Unipolar Ranges: 0-1V, 0-2V, 0-5V, 0-10V (jumper+software selectable)
  • Sampling Rate: 500kHz “16A” version (maximum aggregate) 250kHz “16E” version (maximum aggregate)
  • Type: Successive approximation
  • Over Voltage Protection: -40 to +55V
  • A/D FIFO: 1024 16-bit wide samples, optional 2K, 4K
  • Calibration: Offset and gain values stored in EEPROM
  • Board Calibration: Programmable digital potentiometers to calibrate gain/offset errors
  • System Calibration: Program provided to calibrate entire system
  • Trigger Source: Software selectable - external trigger, programmable timer, program command, A/D start, Single Scan Start
  • Impedance: 1M Ohm
  • Crosstalk: 60dB @ 400kHz
  • Oversampling: 0-255 consecutive samples / channel (software selectable)


Analog Outputs:

  • Outputs: 2
  • Resolution: 12 bit
  • Ranges: 0-5V, 0-10V (jumper selectable per channel)
  • Relative accuracy: ±2 LSB
  • Differential non-linearity: ±0.2 LSB
  • Conversion frequency: 100k conversions / second
  • Output current: 5mA
  • Calibration: Gain values stored in EEPROM
  • Simultaneous update: Yes


Digital I/O:

  • Number of I/O: 16, programmable as inputs or outputs in groups of 8 (pulled up, 8255 compatible Port A and Port B only)
  • Input Voltage: Logic low: 0.0V min, 0.8V (max) Logic high: 2.0V min, 5.0V (max)
  • Input Current: ±1uA max
  • Output Voltage: Logic low: 0.0V min, 0.55V (max) Logic high: 2.0V min, 5.0V (max)
  • Output Current: Logic low: 24mA sink (max) Logic high: 24mA source (max)


Counter / Timer:

  • Type: 82C54 programmable interval down counter
  • Available Counters: Counter 0
  • Input Frequency: 10MHz (max)
  • A/D Pacer Clock: 16-bit
  • Clock source: Internal 10MHz or externally supplied (software selectable; pulled-up)
  • Clock Period: 100ns (min)
  • Clock Pulse Width: high 30ns (min) / 40ns (min)
  • I/O Volts and Current: Same as Digital I/O
  • A/D Pacer clock: 16 or 32-bit
  • Clock Frequency: 10MHz



  • Power Required: Bus powered: +5VDC - 40mA (typical w/no external I/O connections) +12VDC - 24mA -12VDC - 23mA
  • DC/DC option: +5VDC at 180mA (typical w/no external I/O connections)
  • Operating Temp: 0 to 70°C, Optional -40 to 85°C
  • Storage Temp: -40 to +105°C
  • Humidity: 5% to 90% RH, without condensation



  • Analog I/O: P1, 26-pin right-angle header pins
  • Digital I/O and counter/timer: P2, 44-pin right-angle header pins
  • External power inputs P3, 8-pin right angle header pins







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Contact Details

EPS-Tech Ltd.

Industrial park, Tzur-Igal
2 Bazelet St,

Israel, 44862

Tel: +972-9-749-8585
Fax: +972-9-749-8686
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.