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Comparator Click Board

Comparator Click Board

Comparator Click Board, mikroE
Comparator Click Board, mikroE
Rating

The Comparator click from MikroElektronika is a voltage comparator on a click add-on board carrying LM2903 chip. This LM2903 IC features two independent voltage comparators, two pairs of screw terminals (additional two screw terminals are for GND connections), and two potentiometers.

It can be used with either single or dual power supply over a wide range of voltages. The screw terminals allow the user to connect separate inputs, while the two potentiometers, placed between the screw terminals and the IC, configure the set point voltage. Each input has its own interrupt pin on the socket, i.e., one through the mikroBUS INT pin, the other in place of the default mikroBUS AN pin. The Comparator click is designed to use either a 3.3V or a 5V power supply.

  • Low power dual differential comparator
  • Two pairs of input screw terminals and two potentiometers
  • Used with either a single or dual power supply
  • Supports both 3.3V and 5V voltage level
  • High precision: 2 mV offset voltage
  • On-board jumpers
  • RoHS compliant and Lead free
  • Supported by all mikroElektronika compilers
SKU MIKROE-1915
Warranty 12 months
Manufacturer Mikroelektronika d.o.o.
Weight 0.10 Kg
In stock 1 in stock
Lead Time (if not in stock) 8 working days
Our Price: $19.11
Quantity Price
2-4 Items $14.78
5+ Items $13.43
*Note:
Quantity

IC/module: LM2903 IC

The LM2903 IC consists of two independent precision voltage comparators on the click board that operate over an extensive range of voltages. The comparators can operate from a single power supply as well as dual supplies.

How Does it Work?

When paired with analog sensors, Comparator click allows user to hook up an analog signal. The voltage from this analog signal is used as an input and compared with the physical value set as a reference by using the potentiometer. The device will then digitally check if your input voltage is higher or lower than the referenced value. If the input value exceeds, an interrupt signal is triggered.

Power: Single-Supply or Dual Supplies

Comparator click is designed to be used with single or dual power supply. For single power supply—the offset voltage can be as low as 2.0 mV, with a range from 2.0 VDC to 36 VDC. For dual power supplies—the range is from ±1.0 VDC to ±18 VDC. The resulting output is compatible with TTL, DTL, ECL, MOS and CMOS logic systems.

  • Comparator Click Board (1)
  • 1x8 male headers (2)
  • Printed User Manual and Board Schematic (1)
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