Datasheet > ATM90E26-YU-R

ATM90E26-YU-R

更新时间： 2025-08-08 19:14:51

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
60页	698K
描述
输入阻抗:1 千欧，400 千欧 ;测量误差:0.5% ;高电平:- ;低电平:- ;最小供电电压:2.8 V;最大供电电压:3.6 V;表计类型:Single Phase ;元器件封装:28-SSOP;

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ATM90E26-YU-R 数据手册

Atmel M90E26

Single-Phase High-Performance Wide-Span

Energy Metering IC

DATASHEET

FEATURES

Metering Features

• Metering features fully in compliance with the requirements of IEC62052-11,

IEC62053-21 and IEC62053-23; applicable in class 1 or class 2 single-phase watt-

hour meter or class 2 single-phase var-hour meter.

• Accuracy of 0.1% for active energy and 0.2% for reactive energy over a dynamic

range of 5000:1.

• Temperature coefficient is 15 ppm/ ℃(typical) for on-chip reference voltage

• Single-point calibration over a dynamic range of 5000:1 for active energy; no cali-

bration needed for reactive energy.

• Energy Meter Constant doubling at low current to save verification time.

• Electrical parameters measurement: less than ±0.5% fiducial error for Vrms, Irms,

mean active/ reactive/ apparent power, frequency, power factor and phase angle.

• Forward/ reverse active/ reactive energy with independent energy registers. Active/

reactive energy can be output by pulse or read through energy registers to adapt to

different applications.

• Programmable startup and no-load power threshold.

• Dedicated ADC and different gains for L line and N line current sampling circuits.

Current sampled over shunt resistor or current transformer (CT); voltage sampled

over resistor divider network or potential transformer (PT).

• Programmable L line and N line metering modes: anti-tampering mode (larger

power), L line mode (fixed L line), L+N mode (applicable for single-phase three-wire

system) and flexible mode (configure through register).

• Programmable L line and N line power difference threshold in anti-tampering mode.

Other Features

• 3.3V single power supply. Operating voltage range: 2.8~3.6V. Metering accuracy

guaranteed within 3.0V~3.6V. 5V compatible for digital input.

• Built-in hysteresis for power-on reset.

• Selectable UART interface and SPI interface (four-wire SPI interface or simplified

three-wire SPI interface with fixed 24 cycles for all registers operation).

• Parameter diagnosis function and programmable interrupt output of the IRQ inter-

rupt signal and the WarnOut signal.

• Programmable voltage sag detection and zero-crossing output.

• Channel input range

- Voltage channel (when gain is '1'): 120μVrms~600mVrms.

- L line current channel (when gain is '24'): 5μVrms~25mVrms.

- N line current channel (when gain is '1'): 120μVrms~600mVrms.

• Programmable L line current gain: 1, 4, 8, 16, 24; Programmable N line gain: 1, 2, 4.

• Support L line and N line offset compensation.

• CF1 and CF2 output active and reactive energy pulses respectively which can be

used for calibration or energy accumulation.

• Crystal oscillator frequency: 8.192 MHz.

Atmel-46002B-SE-M90E26-Datasheet_110714

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