90E21 Datasheet, PDF (33/57 Pages) Integrated Device Technology – Single-Phase High-Performance Wide-Span Energy Metering IC

90E21/22/23/24
SINGLE-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
IgainL
L Line Current rms Gain
Address: 32H
Type: Read/Write
Default Value: 7A13H
15
14
IgainL15
IgainL14
7
6
IgainL7
IgainL6
13
IgainL13
5
IgainL5
12
IgainL12
4
IgainL4
11
IgainL11
3
IgainL3
10
IgainL10
2
IgainL2
Bit
15 - 0
Name
Description
IgainL[15:0] L Line Current rms Gain, For details, please refer to IDT application note AN-641.
IgainN
N Line Current rms Gain
Address: 33H
Type: Read/Write
Default Value: 7530H
15
14
IgainN15
IgainN14
7
6
IgainN7
IgainN6
13
IgainN13
5
IgainN5
12
IgainN12
4
IgainN4
11
IgainN11
3
IgainN3
10
IgainN10
2
IgainN2
Bit
15 - 0
Name
Description
IgainN[15:0] N Line Current rms Gain. For details, please refer to IDT application note AN-641.
Uoffset
Voltage Offset
Address: 34H
Type: Read/Write
Default Value: 0000H
15
Uoffset15
7
Uoffset7
14
Uoffset14
6
Uoffset6
13
Uoffset13
5
Uoffset5
12
Uoffset12
4
Uoffset4
11
Uoffset11
3
Uoffset3
10
Uoffset10
2
Uoffset2
Bit
15 - 0
Name
Description
Uoffset[15:0] Voltage offset. For calculation method, please refer to IDT application note AN-641.
9
IgainL9
1
IgainL1
9
IgainN9
1
IgainN1
9
Uoffset9
1
Uoffset1
8
IgainL8
0
IgainL0
8
IgainN8
0
IgainN0
8
Uoffset8
0
Uoffset0
Register
33
January 10, 2012