MCP3905EV Microchip Technology, MCP3905EV Datasheet - Page 13

• 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

© 2005 Microchip Technology Inc.
2.3.2
Resistor sockets R
JP14 should also be open. This configuration puts the shunt across the channel inputs
differentially with the users option of a RC filter.
FIGURE 2-3:
2.3.3
Using JP18, JP19, JP20 and JP21, select if Channel 1 will be single-ended or
differential, and which input will be tied to the voltage divider and potentiometer. In
Figure 2-4, the voltage divider and potentiometer are connected to the positive input,
while the negative input is connected to A
FIGURE 2-4:
Step 2: Select Channel 0 Input Method
Step 3: Select Channel 1 Input Method
+
-
11
Channel 0 Jumpers for 250 µ
Channel 1 Input Method Example.
and R
Potentiometer (Circuit A)
RC to Voltage Divider &
12
should be left open when using a shunt. JP3, JP13 and
1 kΩ
R
1
Installation and Operation
open
JP3
GND
C
0.033 µF
1
JP13
JP14
through the RC.
Ω
Shunt Selection.
1 kΩ
1 kΩ
R
R
1
1
JP20
JP21
JP18
JP19
C
0.033 µF
C
0.033 µF
1
1
DS51567A-page 9
CH1+
CH1+
CH1-
CH1-
CH0+
CH0-