Особенности и преимущества

  • Board supports ADPD4000 and ADPD4001 population
  • ADPD4000 (SPI) is the default board population
  • All inputs and outputs are accessible to the user
  • 3 separately driven green LEDs included
  • 1 red and 1 IR LED included
  • Metal baffle to block optical crosstalk
  • Works with the Wavetool Evaluation Software allowing
    • Time domain graphing and logging
    • Frequency domain graphing
    • Statistical analysis
    • Data streaming to other applications

Подробнее о продукте

The EVAL-ADPD4000Z-PPG evaluation board provides users with a simple means of evaluating the ADPD4000 / ADPD4001 photometric front end.

The EVAL-ADPD4000Z-PPG evaluation board implements a simple discrete optical design for vital signs monitoring applications, specifically wrist-based photoplethysmography (PPG).

The EVAL-ADPD4000Z-PPG has three green light emitting diodes (LEDs), one infrared (IR), and one red LED, all separately driven. A single 7 mm2 photodiode (PD) is populated on the board. The PD has no optical filter coating. However, a pin for pin alternative device with an IR block filter is available.

The full evaluation system includes the Wavetool Evaluation Software graphical user interface (GUI) that provides users with low level register access and high level system configurability. Raw data streamed to this tool can be displayed in real time with limited latency. Views are provided for both frequency and time domain analysis.

A user datagram protocol (UDP) transfer capability from the Wavetool Evaluation Software (available for download below) allows data stream connections and register configurability to external analysis programs, such as LabVIEW® or MATLAB®, in real time.

The EVAL-ADPD4000Z-PPG board is powered by the EVAL-ADPDUCZ microcontroller board (obtained from the EVAL-ADPD4000Z-PPG product page). In addition to the power requirements, serial port interface (SPI) (default) or I2C data streams are received from the ADPD4000 by the microcontroller. A ribbon cable connects the two boards. The microcontroller repackages the data, sending it to a virtual serial port over the USB to the PC, displayed on the Wavetool Evaluation Software. The EVAL-ADPD4000Z-PPG can also be connected directly to the microcontroller development system of the user, using the SPI for the ADPD4000 (or I2C for the ADPD4001).

The ADPD4000/ADPD4001 data sheet provides full specifications for the ADPD4000/ADPD4001. Consult the ADPD4000/ADPD4001 data sheet in conjunction with this user guide when using the EVAL-ADPD4000Z-PPG.


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