Gain Control - Analog Devices EVAL-MAX49918 User Manual

MAX49918 Evaluation Kit
Evaluation Board User Guide

Gain Control

To set the gain of the device, it is recommended to use the PICO board (MAX32625PICO board) and MAX49918EV kit
2
GUI software to control the gain. Or you need to use other devices or instruments to send I C command to the MAX49918.
Gain Control with PICO Board and GUI
Please find and buy MAX32625PICO Board from www.analog.com.
Download the GUI (MAX49918 Evaluation Kit Tool) and firmware (usb_serial_bridge1.1.28.bin) from www.analog.com.
Install the MAX49918 Evaluation Kit Tool.
Solder the PICO board to the MAX49918 EV kit as shown in Figure 1.
Figure 1. MAX49918 EV Kit with PICO Board
Press and hold the button on the PICO board until it is connected to the computer with a USB cable. Wait around two
seconds for a new disk called 'MAINTENANCE' show up on the computer. Copy the firmware to the MAINTENANCE disk.
Eject the disk and reconnect the USB cable; the firmware uploading process is now complete.
Connect the power supply for VDD and VSENSE and switch on the power.
Open the GUI and click the Connect button. The GUI is shown in Figure 2. To set the gain, click the button with Gain on
it.
Figure 2. GUI–Gain Control
analog.com Rev. 0 3 of 8