参数资料
型号: EVAL-ADE5169EBZ-2
厂商: Analog Devices Inc
文件页数: 58/156页
文件大小: 0K
描述: BOARD EVALUATION FOR AD5169
标准包装: 1
主要目的: 电源管理,电度表/功率表
嵌入式:
已用 IC / 零件: ADE5169
主要属性: 用于汇编语言和 C 代码的 IAR 工具
次要属性: 隔离和非隔离输出选项
已供物品: 板,软件
ADE5166/ADE5169/ADE5566/ADE5569
One LSB of the current channel rms offset is equivalent to
32,768 LSBs of the square of the current channel rms register.
Data Sheet
1 LSB of the current channel rms offset represents 0.23% of
measurement error at ?60 dB down from full scale.
Assuming that the maximum value from the current channel
rms calculation is 0d1,898,124 with full-scale ac inputs, then
60Hz
I rms = I rms 0 2 + IRMSOS × 32 , 768
where I rms0 is the rms measurement without offset correction.
CURRENT CHANNEL
WAVEFORM
(4)
DATA RANGE WITH
INTEGRATOR ON (60Hz)
0x2B7850
0x000000
0xD487B0
MODE1[5]
IRMSOS[11:0]
I rms (t)
I PA
HPF
DIGITAL
sgn 2 25 2 26 2 27
2 18 2 17 2 16
0x00
INTEGRATOR*
HPF1
LPF2
24
LPF3
+
24
I rms [23:0]
I PB
HPF
IBGAIN
dt
CURRENT CHANNEL
WAVEFORM
DATA RANGE WITH
INTEGRATOR OFF
0x28F5C2
0x000000
0xD70A3E
*NOTE THAT THE DIGITAL INTEGRATOR IS NOT AVAILABLE IN THE ADE5166.
Figure 61. ADE5166/ADE5169 Current Channel RMS Signal Processing with PGA1 = 2, 4, 8, or 16
60Hz
CURRENT CHANNEL
WAVEFORM
DATA RANGE WITH
INTEGRATOR ON (60Hz)
0x2B7850
0x000000
0xD487B0
MODE1[5]
IRMSOS[11:0]
I rms (t)
DIGITAL
sgn 2 25
2 26
2 27
2 18 2 17 2 16
0x00
I PA
HPF
INTEGRATOR*
HPF1
LPF2
24
LPF3
+
24
I rms [23:0]
dt
CURRENT CHANNEL
WAVEFORM
DATA RANGE WITH
INTEGRATOR OFF
0x28F5C2
0x000000
0xD70A3E
*NOTE THAT THE DIGITAL INTEGRATOR IS NOT AVAILABLE IN THE ADE5566.
Figure 62. ADE5566/ADE5569 Current Channel RMS Signal Processing with PGA1 = 2, 4, 8, or 16
Rev. D | Page 58 of 156
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