MCP3909RD-1PH1 Microchip Technology, MCP3909RD-1PH1 Datasheet - Page 13

• Manufacturer Part Number: MCP3909RD-1PH1
• Description: BOARD DES MCP3909 ENERGY METER
• Manufacturer: Microchip Technology

Specifications of MCP3909RD-1PH1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: MCP3909, PIC18F85J90
• Primary Attributes: Single Phase Shunt Energy Meter
• Secondary Attributes: 16 Bit ADC
• Ic Function: Single Phase Energy Measurement IC
• Supply Voltage Range: 4.5V To 5.5V
• Operating Temperature Range: -40°C To +85°C
• Digital Ic Case Style: SSOP
• No. Of Pins: 24
• Interface Type: SPI
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Note: Unless otherwise specified, DV
MCLK = 3.58 MHz, CH1 input = 660 mV
FIGURE 2-25:
Distortion Ratio vs. Input Signal Amplitude
(G = 2).
FIGURE 2-26:
Distortion Ratio vs. Input Signal Amplitude
(G = 8).
© 2009 Microchip Technology Inc.
100
100
0.000100 0.001000 0.010000 0.100000 1.000000
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0.00001
0
0
0.0001
CH0 Vp-p Amplitude (V)
CH0 Vp-p Amplitude (V)
SINAD (dBFS)
SINAD (dBFS)
Signal-to-Noise and
Signal-to-Noise and
0.001
SINAD (dB)
SINAD (dB)
0.01
DD
, AV
P-P
0.1
at 50 Hz, CH0 amplitude sweeps at 50 Hz.
DD
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
= 5V; A
GND
, D
GND
FIGURE 2-27:
Distortion Ratio vs. Input Signal Amplitude
(G = 16).
FIGURE 2-28:
50 Hz Input Signal.
= 0V; V
100
0.000010 0.000100 0.001000 0.010000 0.100000
90
80
70
60
50
40
30
20
10
-100
-120
-140
-160
0
-20
-40
-60
-80
0
REF
0
= Internal, HPF = 1 (AC mode),
CH0 Vp-p Amplitude (V)
2000
SINAD (dBFS)
Signal-to-Noise and
Frequency Spectrum,
Frequency (Hz)
SINAD (dB)
MCP3909
4000
DS22025B-page 13
6000
100
90
80
70
60
50
40
30
20
10
0