MCP3909 Microchip Technology, MCP3909 Datasheet - Page 10

• Manufacturer Part Number: MCP3909
• Description: Energy Metering IC with SPI Interface and Active Power Pulse Output
• Manufacturer: Microchip Technology

MCP3909
Note: Unless otherwise specified, DV
MCLK = 3.58 MHz, CH1 input = 660 mV
FIGURE 2-13:
Error over V
FIGURE 2-14:
Error over V
FIGURE 2-15:
Error vs. Input Frequency (G = 16).
DS22025A-page 10
-0.05
-0.15
-0.05
-0.1
-0.2
-0.3
-0.4
-0.5
0.25
0.15
0.05
0.15
0.05
-0.1
-0.1
0.5
0.4
0.3
0.2
0.1
0.3
0.2
0.1
0.2
0.1
0.0001
0.0001
0
0
0
45
V
DD
DD
DD
=5.25V
50
, External V
, Internal V
0.0010
0.0010
PF = 0.5
CH0 Vp-p Amplitude (V)
CH0 Vp-p Amplitude (V)
Active Power Measurement
Active Power Measurement
Active Power Measurement
55
Frequency (Hz)
V
V
V
0.0100
DD
DD
0.0100
DD
V
=4.5V
=4.75V
REF
=4.5V
REF
60
DD
=5.0V
(G = 16, PF = 1).
(G = 1, PF = 1).
V
DD
65
0.1000
0.1000
=4.75V
PF = 1
DD
V
V
DD
, AV
P-P
DD
V
V
DD
=5.5V
=5.5V
DD
70
=5.25V
=5.0V
at 50 Hz, CH0 amplitude sweeps at 50 Hz.
DD
1.0000
1.0000
= 5V; A
75
GND
, D
GND
FIGURE 2-16:
Error with External V
FIGURE 2-17:
Error with External V
FIGURE 2-18:
Error with External V
= 0V; V
-0.1
-0.2
-0.3
-0.4
-0.5
-0.1
-0.2
-0.3
-0.2
-0.4
-0.6
-0.8
0.5
0.4
0.3
0.2
0.1
0.3
0.2
0.1
0.8
0.6
0.4
0.2
-1
0.0001
0.0001
0.0001
0
1
0
0
REF
+25°C
= Internal, HPF = 1 (AC mode),
0.0010
0.0010
0.0010
CH0 Vp-p Amplitude (V)
CH0 Vp-p Amplitude (V)
CH1 Vp-p Amplitude (V)
Active Power Measurement
Active Power Measurement
Active Power Measurement
REF
REF
REF
© 2006 Microchip Technology Inc.
0.0100
0.0100
0.0100
(G = 1, PF = 1).
(G = 1, PF = 0.5).
(G = 2, PF = 1).
+85°C
0.1000
0.1000
0.1000
-40°C
- 40°C
+85°C
+85°C
- 40°C
+25°C
1.0000
1.0000
1.0000
+25°C