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The CS5460A is a highly integrated Delta-Sigma analog-to-digital (A/D) converter that combines two Delta-Sigma A/D converters, high-speed power calculation functions and a serial interface on a single chip. It is designed to accurately measure and calculate energy, instantaneous power, IRMS and VRMS for single-phase, 2- or 3-wire power metering applications. The CS5460A interfaces to a low-cost shunt resistor or transformer to measure current and resistive divider or potential transformer to measure voltage. The CS5460A features a bi-directional serial interface for communication with a microcontroller and a programmable frequency output that is proportional to energy. The CS5460A has on-chip functionality to facilitate AC or DC system-level calibration. The "Auto-Boot" feature allows the CS5460A to function standalone and to initialize itself on system power-up. In Auto-Boot mode, the CS5460A reads the calibration data and start-up instructions from an external EEPROM. In this mode, the CS5460A can work without the need for a microprocessor for low-cost metering applications. |
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| Channels | Energy Pulse Outputs | SPI Slave Interface | Real (Active) Power | IRMS, VRMS | Apparent Power (S) | Reactive Power (Q) | Fundamental Power | Temp Sensor | Package |
|---|---|---|---|---|---|---|---|---|---|
| 2 |  |
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— | — | — | — | 24 SSOP |
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All Power Measurement parts have Data Linearity of 0.1% over a 1000:1 Range. | |||||||||
The CS5460A is a highly integrated Delta-Sigma analog-to-digital (A/D) converter that combines two Delta-Sigma A/D converters, high-speed power calculation functions and a serial interface on a single chip. It is designed to accurately measure and calculate energy, instantaneous power, IRMS and VRMS for single-phase, 2- or 3-wire power metering applications. The CS5460A interfaces to a low-cost shunt resistor or transformer to measure current and resistive divider or potential transformer to measure voltage. The CS5460A features a bi-directional serial interface for communication with a microcontroller and a programmable frequency output that is proportional to energy. The CS5460A has on-chip functionality to facilitate AC or DC system-level calibration.
The "Auto-Boot" feature allows the CS5460A to function standalone and to initialize itself on system power-up. In Auto-Boot mode, the CS5460A reads the calibration data and start-up instructions from an external EEPROM. In this mode, the CS5460A can work without the need for a microprocessor for low-cost metering applications.
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Three New Chips From Cirrus Logic Provide Energy Management For Home Appliances And Industrial Machinery | ||
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