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ADE7569 数据表(PDF) 1 Page - Analog Devices

部件名 ADE7569
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7569 数据表(HTML) 1 Page - Analog Devices

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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.


类似零件编号 - ADE7569

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