Single-Phase Energy Measurement IC
with 8052 MCU, RTC, and LCD Driver
ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
GENERAL FEATURES
MICROPROCESSOR FEATURES
Wide supply voltage operation: 2.4 V to 3.7 V
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
8052-based core
Single-cycle 4 MIPS 8052 core
8052-compatible instruction set
32.768 kHz external crystal with on-chip PLL
2 external interrupt sources
External reset pin
Real-time clock (RTC) mode: 1.5 μA
Low power battery mode
RTC and LCD mode: 38 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 change1, 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 (RTC)
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 (volt-ampere
(VA)) measurement
<0.1% error on active energy over a dynamic range of
1000 to 1 @ 25°C
<0.5% error on reactive energy over a dynamic range of
1000 to 1 @ 25°C (ADE7169 and ADE7569 only)
<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, and 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 (ADE7169 and ADE7569 only)
Ultralow battery supply current: 1.5 μA
Selectable output frequency: 1 Hz to 16 kHz
Embedded digital crystal frequency compensation for
calibration and temperature variation of 2 ppm resolution
Integrated LCD driver
108-segment driver for the ADE7566/ADE7569 and
104-segment driver for the ADE7116/ADE7156/
ADE7166/ADE7169
2×, 3×, or 4× multiplexing
LCD voltages generated internally2 or with external resistors
Internal adjustable drive voltages up to 5 V independent
of power supply level2
On-chip peripherals
UART interface
SPI or I2C
Watchdog timer
2 current inputs for antitamper detection in the
ADE7116/ADE7156/ADE7166/ADE7169
High frequency outputs proportional to Irms, active, reactive,
or apparent power (AP)
Power supply management with user-selectable levels
Memory: 16 kB flash memory, 512 bytes RAM
Development tools
Single-pin emulation
IDE-based assembly and C-source debugging
Table 1. Features Available on Each Part
Feature
Part No.
1 Not available in the ADE7116.
2 Not available in the ADE7116 or ADE7156.
Antitamper
Watt, VA, Irms, Vrms
ADE7116, ADE7156, ADE7166, ADE7169
ADE7116, ADE7156, ADE7166, ADE7169,
ADE7566, ADE7569
Var
di/dt Sensor
ADE7169, ADE7569
ADE7169, ADE7569
Rev. B
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 registeredtrademarks arethe property of their respective owners.
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 ©2007–2008 Analog Devices, Inc. All rights reserved.
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