- 您现在的位置：买卖IC网 > PDF目录4596 > ADE7518ASTZF16 (Analog Devices Inc)IC ENERGY METER MCU 16K 64LQFP PDF资料下载
参数资料
| 型号： | ADE7518ASTZF16 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 47/128页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER MCU 16K 64LQFP |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 特色产品： | ADE7518: Single-phase Energy-Measurement IC |
| 标准包装： | 160 |
| 输入阻抗： | * |
| 测量误差： | * |
| 电压 - 高输入/输出： | * |
| 电压 - 低输入/输出： | * |
| 电流 - 电源： | * |
| 电源电压： | * |
| 测量仪表类型： | * |
| 工作温度： | * |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
| 产品目录页面： | 797 (CN2011-ZH PDF) |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页当前第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页第103页第104页第105页第106页第107页第108页第109页第110页第111页第112页第113页第114页第115页第116页第117页第118页第119页第120页第121页第122页第123页第124页第125页第126页第127页第128页
ADE7518
Current Channel RMS Calculation
Each ADE7518 simultaneously calculates the rms values for the
current and voltage channels in different registers. Figure 48 shows
the detail of the signal processing chain for the rms calculation on
the current channel. The current channel rms value is processed
from the samples used in the current channel waveform sampling
mode and is stored in an unsigned 24-bit register (I rms ). One
LSB of the current channel rms register is equivalent to one LSB
of a current channel waveform sample.
The update rate of the current channel rms measurement is
4.096 MHz/5. To minimize noise in the reading of the register,
the I rms register can also be configured to update only with the
zero crossing of the voltage input. This configuration is done by
setting the ZXRMS bit in the MODE2 register (0x0C).
With the different specified full-scale analog input signal PGA1
values, the ADC produces an output code that is approximately
±0d2,147,483 (PGA1 = 1) or ±0d2,684,354 (PGA1 = 2, 4, 8, or 16).
4, 8, or 16. The current rms measurement provided in the
ADE7518 is accurate to within 0.5% for signal inputs between
full scale and full scale/500. The conversion from the register
value to amps must be done externally in the microprocessor
using an amps/LSB constant.
Current Channel RMS Offset Compensation
The ADE7518 incorporates a current channel rms offset
compensation register (IRMSOS). This is a 12-bit signed register
that can be used to remove offset in the current channel rms
calculation. An offset can exist in the rms calculation due to
input noises that are integrated into the dc component of V 2 (t).
One LSB of the current channel rms offset is equivalent to
16,384 LSBs of the square of the current channel rms register.
Assuming that the maximum value from the current channel
rms calculation is 0d1,898,124 with full-scale ac inputs, then
1 LSB of the current channel rms offset represents 0.23% of
measurement error at ?60 dB down from full scale.
See the Current Channel ADC section. Similarly, the equivalent
rms value of a full-scale ac signal is 0d1,518,499 (0x172BA3)
when PGA = 1 and 0d1,898,124 (0x1CF68C) when PGA1 = 2,
I rms = I rms 0 2 + IRMSOS × 32 , 768
where I rms0 is the rms measurement without offset correction.
IRMSOS[11:0]
I rms (t)
sgn 2 25 2 26 2 27
2 18 2 17 2 16
0x00
(4)
I P
HPF
HPF1
24
LPF3
+
24
I rms [23:0]
CURRENT CHANNEL
WAVEFORM
DATA RANGE
0x28F5C2
0x000000
0xD70A3E
Figure 48. Current Channel RMS Signal Processing with PGA1 = 1, 2, 4, 8, or 16
Rev. 0 | Page 47 of 128
相关PDF资料 |
PDF描述 |
|---|---|
| ADE7156ASTZF8 | IC ENERGY METER 64-LQFP |
| ADE7156ASTZF16-RL | IC ENERGY METER 64-LQFP |
| ADE7116ASTZF8-RL | IC ENERGY METER 64-LQFP |
| ADE7116ASTZF8 | IC ENERGY METER 64-LQFP |
| ADE5166ASTZF62-RL | IC METER/8052/RTC/LCD DRV 64LQFP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ADE7518ASTZF16-RL | 功能描述:IC ENERGY METER MCU 16K 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7518ASTZF8 | 功能描述:IC ENERGY METER MCU 8K 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7518ASTZF8-RL | 功能描述:IC ENERGY METER MCU 8K 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7566 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver |
| ADE7566ACPZF16 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver |
发布紧急采购，3分钟左右您将得到回复。