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參數(shù)資料
| 型號： | 90E32ERGI |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封裝： | TQFP-48 |
| 文件頁數(shù)： | 10/67頁 |
| 文件大?。?/td> | 777K |
| 代理商： | 90E32ERGI |
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90E32
POLY-PHASE HIGH-PERFORMANCE WIDE-SPAN ENERGY METERING IC
Function Description
18
August 24, 2011
3.5.5
PHASE ANGLE
Phase Angle measurement registers can be divided as below:
-
phase A / phase B / phase C
-
voltage / current
Altogether there are 6 phase angle registers. Refer to 6.6.3 THD+N,
Note: Calculation of phase angle is based on zero-crossing interval
and frequency. There might be big error when voltage/current at low
value.
3.5.6
FREQUENCY
Frequency is measured using phase A voltage by default. When
phase A has voltage sag, phase C is used, and phase B is used when
both phase A and C have voltage sag.
3.5.7
TEMPERATURE
Chip Junction-Temperature is measured roughly every 100 ms by on-
chip temperature sensor.
3.5.8
THD+N FOR VOLTAGE AND CURRENT
Voltage THD+N is defined as:
Current THD+N's definition is similar to that of voltage.
Registers:
-
voltage and current
-
phase A / phase B / phase C
Altogether there are 6 THD+N registers. Refer to 6.6.3 THD+N, Fre-
The THD+N measurement is mainly used to monitor the percentage
of harmonics in the system. Accuracy is not guaranteed when THD+N is
lower than 10%.
ental
rms_fundam
ental
rms_fundam
rms_total
V
-
(V
2
)
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| 90E36ERGI | SPECIALTY ANALOG CIRCUIT, PQFP48 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 90E32ERGI8 | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| 90E36 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:Poly-Phase High-Performance Wide-Span Energy Metering IC |
| 90E36AERGI | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| 90E36AERGI8 | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| 90E36ERGI | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
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