MAX9694 Evaluation Kit
Figure 2. Advanced I 2 C User Interface Window (2-Wire Interface Tab)
puts), four static buffered reference voltage outputs
(reference outputs), and a 7-bit DVR output for calibrat-
ing a V COM voltage.
To monitor the MAX9694 EV kit ’s 14 DAC outputs
(OUT1 –OUT14), and four reference outputs
(OUT_REFU_H, OUT_REFU_L, OUT_REFL_H, and
OUT_REFL_L), use header J1 or the labeled test points.
Reference outputs OUT_REFU_H, OUT_REFU_L,
OUT_REFL_H, OUT_REFL_L and DAC outputs OUT1,
OUT7, OUT8, and OUT14 provide 400mA of peak cur-
rent. DAC outputs OUT2–OUT6 and OUT9–OUT13 pro-
vide 200mA of peak current. Please stay within the
MAX9694 IC’s power rating. Refer to the MAX9694 IC
data sheet for more information.
The on-board resistor-divider network (R21–R25) gen-
erates the reference inputs (REFU_H, REFU_L,
REFL_H, and REFL_L). The user can also apply exter-
nal reference voltages to the VREFU_H, VREFU_L,
VREFL_H, and VREFL_L PCB pads after removing
resistors R21–R25.
The EV kit uses a 9V to 20V DC power supply, connect-
ed across the AVDD and AGND PCB pads, for powering
the EV kit application circuit. The EV kit may require up to
500mA of supply current depending on output loading.
6
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