MCP3905(2007) Ver la hoja de datos (PDF) - Microchip Technology
Número de pieza
componentes Descripción
Fabricante
MCP3905 Datasheet PDF : 26 Pages
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MCP3905/06
Note: Unless otherwise specified, DVDD, AVDD = 5V; AGND, DGND = 0V; VREF = Internal, HPF = 1 (AC mode),
MCLK = 3.58 MHz.
0.5
0.4
0.3
PF = 0.5
0.2
0.1
0
-0.1
-0.2
PF = 1.0
-0.3
-0.4
-0.5
45 50 55 60 65 70 75
Frequency (Hz)
FIGURE 2-11:
Measurement Error vs.
Input Frequency.
4000
3500
3000
2500
2000
1500
1000
500
0
16384 Samples
Mean = - 1.28 mV
Std. dev = - 18.1 µV
Bin (mV)
FIGURE 2-14:
Channel 0 Offset Error
(DC Mode, HPF Off), G = 16.
3000
2500
2000
16384 Samples
Mean = -1.57 mV
Std. Dev = 52.5 µV
1500
1000
500
0
Channel 0 Offset (mV)
FIGURE 2-12:
Channel 0 Offset Error
(DC Mode, HPF off), G = 1.
0.3
0.2
0.1
0
-0.1
-0.2
VDD=5.25V
-0.3
-0.4
-0.5
0.0001
0.0010
VDD=5.0V
VDD=4.5V VDD=4.75V
VDD=5.5V
0.0100 0.1000 1.0000
CH0 Vp-p Amplitude (V)
FIGURE 2-15:
(G = 16).
Measurement Error vs. VDD
1200
1000
800
16384 Samples
Mean = -1.64 mV
Std. Dev = 17.4 µV
600
400
200
0
Channel 0 Offset (mV)
FIGURE 2-13:
Channel 0 Offset Error
(DC Mode, HPF off), G = 8.
0.3
0.25
0.2
0.15
0.1
0.05
0
VDD=5.0V
-0.05
-0.1
-0.15
0.0001 0.0010
VDD=4.75V
VDD=4.5V
0.0100
VDD=5.25V
VDD=5.5V
0.1000 1.0000
CH0 Vp-p Amplitude (V)
FIGURE 2-16:
Measurement Error vs. VDD,
G = 16, External VREF.
© 2007 Microchip Technology Inc.
DS21948D-page 7
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