参数资料
型号: ADE7878ACPZ
厂商: ANALOG DEVICES INC
元件分类: 模拟信号调理
英文描述: Poly Phase Multifunction Energy Metering IC With Total And Fundamental Powers, No Of Pins: 40, Temperature Range: Ind
中文描述: SPECIALTY ANALOG CIRCUIT, QCC40
封装: 6 X 6 MM, ROHS COMPLIANT, MO-220WJJD, LFCSP-40
文件页数: 36/96页
文件大小: 1096K
代理商: ADE7878ACPZ
ADE7854/ADE7858/ADE7868/ADE7878
Rev. E | Page 41 of 96
Table 13. Settling Time for I rms Measurement
Integrator Status
50 Hz Input signals
As stated in the Current Waveform Gain Registers section, the
serial ports of the ADE78xx work on 32-, 16-, or 8-bit words.
Similar to the register presented in Figure 34, the AIRMS,
BIRMS, CIRMS, and NIRMS (ADE7868/ADE7878 only) 24-bit
signed registers are accessed as 32-bit registers with the eight
MSBs padded with 0s.
60 Hz Input signals
Integrator Off
440 ms
Integrator On
550 ms
500 ms
0xA58AC0 =
–5,928,256
0x5A7540 =
5,928,256
0V
CURRENT SIGNAL FROM
HPF OR INTEGRATOR
(IF ENABLED)
LPF
x2
27
xIRMSOS[23:0]
xIRMS[23:0]
08
51
0-
04
0
Figure 54. Current RMS Signal Processing
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