MCP3906 Microchip Technology, MCP3906 Datasheet - Page 9

• Manufacturer Part Number: MCP3906
• Description: (MCP3905 / MCP3906) Energy-Metering ICs
• Manufacturer: Microchip Technology

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Note: Unless otherwise specified, DV
MCLK = 3.58 MHz.
FIGURE 2-11:
Input Frequency.
FIGURE 2-12:
(DC Mode, HPF off), G = 1.
FIGURE 2-13:
(DC Mode, HPF off), G = 8.
© 2009 Microchip Technology Inc.
-0.1
-0.2
-0.3
-0.4
-0.5
3000
2500
2000
1500
1000
1200
1000
0.5
0.4
0.3
0.2
0.1
500
800
600
400
200
0
0
0
16384 Samples
Mean = -1.57 mV
Std. Dev = 52.5 µV
45
16384 Samples
Mean = -1.64 mV
Std. Dev = 17.4 µV
50
PF = 1.0
Channel 0 Offset (mV)
Channel 0 Offset (mV)
Measurement Error vs.
Channel 0 Offset Error
Channel 0 Offset Error
55
Frequency (Hz)
60
PF = 0.5
65
DD
, AV
70
DD
= 5V; A
75
GND
, D
GND
FIGURE 2-14:
(DC Mode, HPF Off), G = 16.
FIGURE 2-15:
(G = 16).
FIGURE 2-16:
G = 16, External V
= 0V; V
4000
3500
3000
2500
2000
1500
1000
-0.1
-0.2
-0.3
-0.4
-0.5
-0.05
-0.15
0.3
0.2
0.1
0.25
0.15
0.05
500
-0.1
0.3
0.2
0.1
0.0001
0
0.0001
0
0
REF
16384 Samples
Mean = - 1.28 mV
Std. dev = - 18.1 µV
V
V
DD
DD
= Internal, HPF = 1 (AC mode),
=5.25V
=5.0V
0.0010
0.0010
CH0 Vp-p Amplitude (V)
CH0 Vp-p Amplitude (V)
REF
MCP3905/06
Channel 0 Offset Error
Measurement Error vs. V
Measurement Error vs. V
.
0.0100
V
V
0.0100
DD
Bin (mV)
DD
V
=4.75V
=4.5V
DD
=5.0V
V
V
DD
DD
0.1000
0.1000
=4.75V
=4.5V
DS21948E-page 9
V
V
DD
DD
V
DD
=5.5V
=5.5V
=5.25V
1.0000
1.0000
DD
DD
,