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ADE7569ASTZF16-RL2 데이터시트(PDF) 1 Page - Analog Devices |
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ADE7569ASTZF16-RL2 데이터시트(HTML) 1 Page - Analog Devices |
1 / 136 page Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver Preliminary Technical Data ADE7566/ADE7569 Rev. PrA Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2007 Analog Devices, Inc. All rights reserved. GENERAL FEATURES Wide supply voltage operation: 2.4 V to 3.7 V Battery supply input with automatic switchover Reference: 1.2 V ± 1% (drift 50 ppm/°C maximum) 64-lead RoHS package options Lead frame chip scale package (LFCSP) Low profile quad flat package (LQFP) Operating temperature range: −40°C to +85°C ENERGY MEASUREMENT FEATURES High accuracy, active, reactive, and apparent energy measurement IC Supports IEC 62053-21, IEC 62053-22, IEC 62053-23 One differential input with PGAs support shunts, current transformers, and di/dt current sensors Selectable digital integrator support di/dt current sensor Digital parameters for gain, offset, and phase compensation Selectable no-load threshold level for W, VA, and VAR creep protection Less than 0.1% error on active energy over a dynamic range of 1000 to 1 @ 25°C Less than 0.5% error on reactive energy over a dynamic range of 1000 to 1 @ 25°C Less than 0.5% error on rms measurements over a dynamic range of 500 to 1 for current and 100 to 1 for voltage @ 25°C High frequency outputs supply proportional to Irms, active, reactive, or apparent power Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time Temperature monitoring MICROPROCESSOR FEATURES 8052-based core Single-cycle 4 MIPS 8052 core 8052-compatible instruction set 32.768 kHz external crystal with on-chip PLL Two external interrupt sources External reset pin Real-time clock Counter for seconds, minutes, and hours Automatic battery switchover for RTC backup Ultralow battery supply current < 1.5 μA Software clock calibration with temperature and offset compensation Integrated LCD driver 108 segment with 2, 3, or 4 multiplexers 3 V/5 V driving capability Internally generated LCD drive voltages Temperature and supply compensated drive voltages Low power battery mode Wake-up from I/O and UART LCD driver capability On-chip peripherals UART, SPI, or I2C Watchdog timer Power supply monitoring with user-selectable levels Memory: 16 kB flash memory, 512 bytes RAM Development tools Single-pin emulation IDE-based assembly and C-source debugging GENERAL DESCRIPTION The ADE7566/ADE75691 integrate Analog Devices Inc. Energy (ADE) metering IC analog front end and fixed function DSP solution with an enhanced 8052 MCU core, an RTC, an LCD driver, and all the peripherals to make an electronic energy meter with an LCD display in a single part. The ADE measurement core includes active, reactive, and apparent energy calculations, as well as voltage and current rms measurements. This information is ready to use for energy billing by using built-in energy scalars. Many power line supervisory features such as SAG, peak, and zero-crossing are included in the energy measurement DSP to simplify energy meter design. The microprocessor functionality includes a single cycle 8052 core, a real-time clock with a power supply backup pin, a UART, and an SPI or I2C interface. The ready-to-use informa- tion from the ADE core reduces the program memory size requirement, making it easy to integrate complicated design into 16 kB of flash memory. The ADE7566/ADE7569 also include a 108-segment LCD driver. This driver generates voltages capable of driving 5 V LCDs. 1 Patents pending. |
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