MCP3909(2006) Ver la hoja de datos (PDF) - Microchip Technology
Número de pieza
componentes Descripción
Fabricante
MCP3909
(Rev.:2006)
(Rev.:2006)
Microchip Technology
MCP3909 Datasheet PDF : 40 Pages
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MCP3909
Note: Unless otherwise specified, DVDD, AVDD = 5V; AGND, DGND = 0V; VREF = Internal, HPF = 1 (AC mode),
MCLK = 3.58 MHz, CH1 input = 660 mVP-P at 50 Hz, CH0 amplitude sweeps at 50 Hz.
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0.0001
+85°C
- 40°C
+25°C
0.0010
0.0100
0.1000
CH0 Vp-p Amplitude (V)
1.0000
FIGURE 2-7:
Active Power Measurement
Error (Gain = 1, PF = 1).
L
1
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1
0.0001
+85°C
-40°C
+25°C
0.0010
0.0100
0.1000
CH0 Vp-p Amplitude (V)
1.0000
FIGURE 2-8:
Active Power Measurement
Error (Gain = 1, PF = 0.5).
3000
2500
2000
1500
1000
500
0
16384 Samples
Mean = -1.20 mV
Std. Dev. = 25.1 µV
Bin (mV)
FIGURE 2-10:
Channel 0 Offset Error
(DC Mode, HPF off, G = 2, PF = 1).
1200
1000
800
16384 Samples
Mean = -1.65 mV
Std. Dev = 16.99 µV
600
400
200
0
Bin (mV)
FIGURE 2-11:
Channel 0 Offset Error
(DC Mode, HPF off, G = 8, PF = 1).
3000
2500
2000
16,384 Samples
Mean = -1.62 mV
Std. Dev = 54.6 µV
1500
1000
500
0
-1.77
-1.68
-1.59
Bin (mV)
-1.50
FIGURE 2-9:
Channel 0 Offset Error
(DC Mode, HPF off, G = 1, PF = 1).
600
16384 Samples
500 Mean = - 17.91 mV
Std. Dev = - 1.22 µV
400
300
200
100
0
-1.30
-1.25
-1.23
-1.20
Bin (mV)
-1.17
FIGURE 2-12:
Channel 0 Offset Error
(DC Mode, HPF Off, G = 16, PF = 1).
© 2006 Microchip Technology Inc.
DS22025A-page 9
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