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CS5480
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Cirrus-logic CS5480 User Manual Page 10
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CS5480
10
DS980F3
-1
-0.5
0
0.5
1
0
500
1000
1500
2000
2500
30
00
3500
4000
4500
Percent Error (%)
Current Dynamic Ran
ge (x : 1
)
Lagging sin(
੮
) = 0.5
Leading sin(
੮
) = 0.5
sin(
੮
) = 1
Figure 5. Reactive Energy Load Performanc
e
-1
-0.5
0
0.5
1
0
500
1000
1500
Percent Error (%)
Current Dynami
c range (x : 1)
IRMS Error
I
RMS
Error
Figure 6. I
RMS
Load Performance
1
2
...
5
6
7
8
9
10
11
12
13
14
15
...
69
70
Features
1
Description
1
TABLE OF CONTENTS
2
DS980F3 3
3
LIST OF FIGURES
4
LIST OF TABLES
4
1. OVERVIEW
5
2. PIN DESCRIPTION
6
2.1 Analog Pins
7
176.78 mV
7
2.2 Digital Pins
7
2.2.3.1 SPI
8
2.2.3.2 UART
8
2.2.4 MODE Pin
8
TYPICAL LOAD PERFORMANCE
9
10 DS980F3
10
Figure 6. I
10
Load Performance
10
ANALOG CHARACTERISTICS
11
VOLTAGE REFERENCE
12
DIGITAL CHARACTERISTICS
13
SWITCHING CHARACTERISTICS
14
DS980F3 15
15
ABSOLUTE MAXIMUM RATINGS
16
4. SIGNAL FLOW DESCRIPTION
17
4.4 Phase Compensation
18
4.7 Digital Integrators
18
4.8 Low-rate Calculations
18
sources
19
5.1 Power-on Reset
21
5.2 Power Saving Modes
21
5.3 Zero-crossing Detection
21
(Config2)
23
MCFG[1:0]
23
5.7 Energy Pulse Generation
25
Overcurrent Detection
26
5.9 Phase Sequence Detection
27
5.10 Temperature Measurement
27
5.11 Anti-Creep
28
5.12 Register Protection
28
6.1 Host Commands
29
6.1.3 Checksum
30
6.1.4 Serial Time Out
30
Y Y 0x D5 3998
34
6.6 Register Descriptions
37
) – Page 0, Address 55
43
) – Page 18, Address 58
62
) – Page 18, Address 24
62
7. SYSTEM CALIBRATION
63
7.2 Phase Compensation
64
(OWR) sample
65
8. BASIC APPLICATION CIRCUITS
66
DS980F3 67
67
9. PACKAGE DIMENSIONS
68
10. ORDERING INFORMATION
69
12. REVISION HISTORY
69
70 DS980F3
70
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