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90E21 Datasheet(PDF) 26 Page - Integrated Device Technology

Part # 90E21
Description  Single-Phase High-Performance Wide-Span Energy Metering IC
PDF  57 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

90E21 Datasheet(HTML) 26 Page - Integrated Device Technology

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90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Register
26
January 10, 2012
PLconstL
Low Word of PL_Constant
Lgain
L Line Calibration Gain
Lphi
L Line Calibration Angle
Address: 22H
Type: Read/Write
Default Value: D174H
Bit
Name
Description
15 - 0
PLconstL[15:0] The PLconstH[15:0] and PLconstL[15:0] bits are high word and low word of PL_Constant respectively.
It is suggested to set PL_constant as a multiple of 4. For details, please refer to IDT application note AN-641.
Address: 23H
Type: Read/Write
Default Value: 0000H
Bit
Name
Description
15 - 0
Lgain[15:0]
L line calibration gain. For details, please refer to IDT application note AN-641.
Address: 24H
Type: Read/Write
Default Value: 0000H
Bit
Name
Description
15 - 0
Lphi[15:0]
L line calibration phase angle. For details, please refer to IDT application note AN-641.
15
14
13
12
11
10
9
8
PLconstL15
PLconstL14
PLconstL13
PLconstL12
PLconstL11
PLconstL10
PLconstL9
PLconstL8
765
432
1
0
PLconstL7
PLconstL6
PLconstL5
PLconstL4
PLconstL3
PLconstL2
PLconstL1
PLconstL0
15
14
13
12
11
10
9
8
Lgain15
Lgain14
Lgain13
Lgain12
Lgain11
Lgain10
Lgain9
Lgain8
765
432
1
0
Lgain7
Lgain6
Lgain5
Lgain4
Lgain3
Lgain2
Lgain1
Lgain0
15
14
13
12
11
10
9
8
Lphi15
-
-
-
-
-
Lphi9
Lphi8
765
432
1
0
Lphi7
Lphi6
Lphi5
Lphi4
Lphi3
Lphi2
Lphi1
Lphi0



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