The CXEM2310A CXEM2310B incorporates two high accuracy Sigma-Delta ADC, voltage reference,
power management and digital signal processing circuit using to calculates active
energy , reactive energy ,apparent energy ,IRMS ,VRMS etc.
The CXEM2310A CXEM2310B measures line voltage, current and calculates active ,reactive ,
apparent energy, power factor, line frequency, detect SAG, overvoltage, overcurrent,
PEAK, zero-crossing voltage
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[ CXEM2310A ]"
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
一.产品概述
The CXEM2310A CXEM2310B is a low cost, high accuracy, high stability, electrical energy
measurement IC intended to single phase, multifunction applications.
The CXEM2310A CXEM2310B incorporates two high accuracy Sigma-Delta ADC, voltage reference,
power management and digital signal processing circuit using to calculates active
energy , reactive energy ,apparent energy ,IRMS ,VRMS etc.
The CXEM2310A CXEM2310B measures line voltage, current and calculates active ,reactive ,
apparent energy, power factor, line frequency, detect SAG, overvoltage, overcurrent,
PEAK, zero-crossing voltage.
The CXEM2310A CXEM2310B provide access to on-chip meter registers via SPI communication interface.
The CXEM2310A CXEM2310B provide all-digital domain offset compensation, gain adjustment, phase compensation (maximum ±2.54°adjustable).
二.产品特点
High accuracy. Less than 0.1% error in active energy measurement and reactive measurement over a dynamic range of 3000:1.
High stability, less than 0.1%error in the output frequency fluctuation.
Measure the active power in the positive orientation and negative orientation, transform to fast pulse output (CF).
Measure the reactive power transform to fast pulse output (CF_VAR).
Measure the reactive power transform to fast pulse output (CF_VA).
Measure instantaneous IRMS and VRMS over a dynamic range of 1500:1.
On-chip SAG and zero-crossing detector. On-chip power supply detector.
On-chip anti-creep protection with the programmable threshold set.
Provide the pulse output with programmable frequency adjustment.
Provide the programmable gain adjustment and phase compensation
Measure the power factor (PF).
Provide a programmable interrupt request signal (/IRQ).
Provide a SPI/UART communication interface.
On-chip voltage reference of 2.5V.
With 3.58MHz external crystal oscillator.
Single 5V supply, 30mW(typical)
三.应用范围
电表
四.技术规格书（产品PDF)
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
五.产品封装图
六.电路原理图
七.相关芯片选择指南
| 电能计量专用电路(Energy Measurement ASIC) | ||||||||
| Part No. | Meter | Measurement | Power Consumption | Anti-Tamper | Output | Clock | VDD | Package |
| CXEM2303 | Single | Active | 20mW | 2 Channels | Pulse | Internal | 5V | SOP16 |
| CXEM2304E | Single | Active 3000:1 | 15mW | Reverse Indication | Pulse | Internal | 5V | SOP16 |
| CXEM2305 | Single | Multifunction (Active, I, V, P.) | 6mW | Pulse | Internal | 3.3V | SOP8 | |
| CXEM2306A | Single | Active | 15mW | 2 Channels | Pulse | 3.58MHz | 5V | SSOP24 |
| CXEM2307E | Single | Active | 15mW | Reverse Indication | Pulse | 3.58MHz | 5V | SSOP24 |
| CXEM2308B | Single | Multifunction (Active 5000:1, I, V, P, S, PF, Freq.) | 25mW | 3 Channels | Pulse, SPI | 3.58MHz | 5V | SSOP24 |
| CXEM2308GX | Single | Multifunction (Active 6000:1, I, V, P, S, PF, Freq.) | 20mW | 3 Channels | Pulse, UART | 3.58MHz | 5V | SOP16 |
| CXEM2309B | Single | Multifunction (Active 5000:1, I, V, P, S, PF, Freq.) | 25mW | Reverse Indication | Pulse, SPI | 3.58MHz | 5V | SOP16 |
| CXEM2310A | Single | Multifunction (Active 3000:1, Reactive 3000:1, I, V, P, S, PF, Freq.) | 25mW | 2 Channels | Pulse, SPI/UART | 3.58MHz | 5V | SSOP24 |
| CXEM2310B | Single | Multifunction (Active 3000:1, Reactive 3000:1, I, V, P, S, PF, Freq.) | 25mW | 2 Channels | Pulse, SPI | 3.58MHz | 5V | SSOP20 |
| CXEM2311 | Three | Active 3000:1 | 25mW | Reverse Indication By Any | Pulse | 2.5~4MHz | 5V | SOP24 |
| CXEM2312C | Three | Active 3000:1 | 25mW | Reverse Indication By Any | Pulse | 2.5~4MHz | 5V | SOP24 |
| CXEM2313B | Three | Multifunction (Active 3000:1, Reactive 3000:1, I, V, P, Q, S, PF, Freq ) | 30mW | Reverse Indication By Any | 2Pulse,SPI | 3.58MHz | 3.3V | LQFP44 |
