User Guide

MCP37X1X-200 12-Bit Evaluation Kit User’s Guide
DS50002525A-page 16  2016 Microchip Technology Inc.
2.2 GETTING STARTED
2.2.1 Configuration Requirements
To power-up and run the evaluation kit, the following are required:
• Pipeline ADC Utility Software
• MCP37X1X-200 12-Bit Evaluation Board (ADM00707)
• MCP37XXX High-Speed Pipeline ADC Data Capture Card (ADM00506)
• Two 5V Power Supplies
• A USB-A to USB Mini-B Cable
• External Clock Source or Crystal Oscillator (see
Section 2.2.4.1 “Optimizing the
Clock Connection”)
• External Signal Input (see
Section 2.2.4.2 “Optimizing the Analog Input
Connection”)
2.2.2 Power Input Connection
This evaluation kit comes with two switching power supplies (Mean Well:
GS06U-1P1J): one for each of the boards. These power supplies are able to provide a
5V, 1A maximum output. They can be connected to an AC wall outlet rated between
90V AC and 264V AC, at a frequency of 47 Hz to 63 Hz. The other end of the power
supply is a 2.1 mm barrel plug that connects to both the evaluation board and the data
capture card (see
Figure 2-1). If the user chooses to connect a different external power
supply, a minimum output of 750 mA is required.
The evaluation board’s power supplies can also be supplied by external voltages
directly to the power domains. This can be done by disabling the desired regulator
using the dip switch SW2 - Regulator Enable on the silkscreen. Then, a DC voltage can
be driven directly into the appropriate pin of header J16. Note that the even pins of the
J16 header are GND.
The power domains on the evaluation board may be merged, if needed. Specifically,
the 1.2VA and 1.2VD power domains may be merged by populating a ferrite bead on
FB10. Similarly, the 1.8VA and 1.8VD power domains may be merged by populating a
ferrite bead on FB11. In both cases, the digital regulators should be disabled using the
appropriate switches.
WARNING
Avoid connecting a power supply with a voltage greater than 5V. Doing so can damage
the voltage regulators, requiring them to be replaced.
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