Single-Phase Energy Measurement IC with
8052 MCU, RTC, and LCD Driver
ADE7566/ADE7569/ADE7166/ADE7169
GENERAL FEATURES
MICROPROCESSOR FEATURES
Wide supply voltage operation: 2.4 V to 3.7 V
8052-based core
Internal bipolar switch between regulated and battery inputs
Ultralow power operation with power-saving modes (PSM)
Full operation: 4 mA to 1.6 mA (PLL clock dependent)
Battery mode: 3.2 mA to 400 μA (PLL clock dependent)
Sleep mode
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 (RTC) mode: 1.5 μA
Low power battery mode
RTC and LCD mode: 27 μA (LCD charge pump enabled)
Reference: 1.2 V 0.1% (10 ppm/°C drift)
64-lead RoHS package options
Wake-up from I/O, temperature change, alarm, and
universal asynchronous receiver/transmitter (UART)
LCD driver operation
Lead frame chip scale package (LFCSP)
Temperature measurement
Low profile quad flat package (LQFP)
Real-time clock
Operating temperature range: −40°C to +85°C
Counter for seconds, minutes, and hours
Automatic battery switchover for RTC backup
Operation down to 2.4 V
ENERGY MEASUREMENT FEATURES
Proprietary analog-to-digital converters (ADCs) and digital
signal processing (DSP) provide high accuracy active
(Watt), reactive (VAR), and apparent energy (VA)
measurement
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 (ADE7569 and ADE7169 only)
Less than 0.5% error on root mean square (rms)
measurements over a dynamic range of 500 to 1 for
current (Irms) and 100 to 1 for voltage (Vrms) @ 25°C
Supports IEC 62053-21, IEC 62053-22, IEC 62053-23,
EN 50470-3 Class A, Class B, and Class C, and ANSI C12-16
Differential input with programmable gain amplifiers (PGAs)
supports shunts, current transformers, and di/dt current
sensors (ADE7569 and ADE7169 only)
Ultralow battery supply current: 1.5 μA
Selectable output frequency: 1 Hz to 16.384 kHz
Embedded digital crystal frequency compensation for
calibration and temperature variation 2 ppm resolution
Integrated LCD driver
108-segment driver for the ADE7566/ADE7569 and
104-segment driver for the ADE7166/ADE7169
2×, 3×, or 4× multiplexing
LCD voltages generated internally or with external resistors
Internal adjustable drive voltages up to 5 V independent
of power supply level
On-chip peripherals
UART, SPI or I2C, and watchdog timer
Power supply monitoring with user-selectable levels
Memory: 16 kB flash memory, 512 bytes RAM
Development tools
Two current inputs for antitamper detection in the
ADE7166/ADE7169
Single-pin emulation
IDE-based assembly and C-source debugging
High frequency outputs proportional to Irms, active, reactive,
or apparent power (AP)
Table 1.
Anti-
Tamper
Watt, VA,
rms, Vrms
Part No.
I
VAR
No
Yes
No
di/dt Sensor
ADE7566 No
ADE7569 No
ADE7166 Yes
ADE7169 Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice.
No license is granted by implication or otherwise under any patent or patent rights of Analog
Devices.Trademarks and registered trademarks are theproperty of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
www.analog.com
© 2007 Analog Devices, Inc. All rights reserved.
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