MCP3905EV Microchip Technology, MCP3905EV Datasheet - Page 17

• Manufacturer Part Number: MCP3905EV
• Description: BOARD DEMO FOR MCP3905
• Manufacturer: Microchip Technology
• Type: Other Power Managementr

Specifications of MCP3905EV

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: No
• Utilized Ic / Part: MCP3905/6
• Primary Attributes: 1-Phase, 120/220 VAC, On Board Transformerless AC/DC 5V Supply
• Silicon Manufacturer: Microchip
• Silicon Core Number: MCP3905A
• Kit Application Type: Power Management
• Application Sub Type: Energy Meter
• Kit Contents: Board & Design Guides
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: MCP3905
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

© 2009 Microchip Technology Inc.
2.5.5
Channel 1 is a differential input with two possible circuit selections for each
single-ended input (circuit A and circuit B). Using the MCP3905A/06A Evaluation
Board, either of the inputs can be connected to the RC or to A
single-ended or differential experiments. JPX should be shorted to ground for all
single-ended input configurations.
FIGURE 2-10:
2.5.6
Circuit B includes 4 resistor sockets and a mechanical potentiometer. This allows for
experiments calibrating the output of the MCP3905A by changing Channel 1’s input
signal amplitude.
FIGURE 2-11:
and VR
2.5.7
Center-of-board, 24-lead surface-mount package. Refer to the MCP3905A Data Sheet,
“Energy Metering IC with Active Real Power Pulse Output” (DS21948) for a detailed
description.
6
for Calibration Experiments, Labeled Circuit B on the PCB Silk-Screen.
R
Channel 1 RC Circuit with A
Channel 1 Voltage Divider Circuit and Calibration Potentiometer
– Circuit B
MCP3905A
3
Channel 1 RC Circuit A.
Voltage Divider on Channel 1 Including Potentiometers VR
R
4
300 kΩ/25 T
Installation and Operation
VR
1 kΩ
R
6
1
100 kΩ/25 T
GND
C
0.033 µF
Option – Circuit A
1
VR
2
1 kΩ/25 T
GND
VR
JP20
1
, allowing
DS51567B-page 17
500Ω
R
8
1
, VR
2