概览
描述
The RAA788000 is a low-power, power-line current sensor for contactless AC current measurements in the range of 2A to 5000A. The device consists of an on-chip Rogowski coil, a buffer amplifier, and a signal amplifier.
From an alternating power-line current, the magnetic flux flows through the on-chip coil, generating an electromotive force (EMF) that is amplified and filtered by a signal amplifier.
The amplifier output is typically fed into an analog-to-digital converter with a subsequent signal processor that calculates the current magnitude.
The RAA788000 operates from a single 2.7V to 3.6V supply. The device is available in a small 16 Ld TSSOP package and has an operation specified for the temperature range from -40°C to +105°C.
The RAA788000 is available in a 16 Ld thin shrink small outline package (TSSOP).
特性
- On-chip coil sensor
- Low noise density: En = 50nV/√Hz at 10Hz
- Low supply voltage: VS = 2.7V to 3.6V
- Temperature range: -40°C to +105°C
- Small 16 Ld TSSOP package
产品对比
应用
设计和开发
软件与工具
软件与工具
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公司
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| iSim:PE 离线模拟工具 iSim Personal Edition（iSim:PE ）可加快设计周期并降低项目早期风险，确定可用于当前和下一代设计的部件。
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Simulator | 瑞萨电子 |
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开发板与套件
评估
RAA788000 Stacked Sensor Topology Evaluation Board, Two Current Sensor ICs, Current Measurement 80A, 2.7V to 3.6V Vin
The RTKA788000DE0010BU evaluation board allows the measurement of power line currents up to 80A.
The board includes two RAA788000 current sensor ICs in stacked sensor topology, for easy connection to a high-current source.
The output amplifiers of the two sensors are configured to a single...
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评估
RAA788000 Opposite Sensor Topology Evaluation Board, Two Current Sensor IC, 40A Current Measurement, 2.7V to 3.6V Vin
The RTKA788000DE0000BU evaluation board allows for the measurement of power line currents up to 40A.
The board includes two RAA788000 current sensor ICs in an opposite sensor topology and a 1ft section of AWG-8 cable, for easy connection to a high-current source.
The output amplifiers of the two...
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