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1.产品概述       2.产品特点     IVY嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）IVY嘉泰姆

5.产品封装       6.电路原理图  IVY嘉泰姆

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   产品概述 返回TOPIVY嘉泰姆

The CXEP2338A/CXEP2338B metrology processors are based on Maxim Integrated’s 4th-generation metering architecture supporting the CXEP2338A CXEP2338B series of isolated current sensing products that offer drastic reduction in component count, immunity to magnetic tampering, and unparalleled reliability. The CXEP2338A/CXEP2338B  integrate our Single Converter Technology  with a 22-bit delta sigma ADC, a customizable 32-bit computation engine (CE) for core metrology functions, as well as a user-programmable 8051-compatible application processor (MPU) core with 64KB flash and 5KB RAM An external host processor can access metrology functions directly through the SPI interface, or alternatively through the embedded MPU core in applications requiring metrology data capture, storage, and preprocessing within the metrology subsystem. In addition, the devices integrate an RTC, DIO, and UART. A complete array of ICE and development tools, programming libraries, and reference designs enable rapid development and certification of meters that meet all ANSI and IEC electricity metering standards worldwide The CXEP2338A/CXEP2338B operate over the industrial temperature range and come in a 64-pin lead(Pb)-free package.

   产品特点 返回TOPIVY嘉泰姆

SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing PerformanceIVY嘉泰姆

0.1% Typical Accuracy Over 2000:1 Current RangeIVY嘉泰姆

Exceeds IEC 62053/ANSI C12.20 StandardsIVY嘉泰姆

Four-Quadrant MeteringIVY嘉泰姆

46-64Hz Line Frequency Range with the Same CalibrationIVY嘉泰姆

Phase Compensation (±10°)IVY嘉泰姆

Independent 32-Bit Compute EngineIVY嘉泰姆

64KB Flash, 5KB RAMIVY嘉泰姆

Built-In Flash SecurityIVY嘉泰姆

SPI Interface to Host with Flash Program CapabilityIVY嘉泰姆

Up to Four Pulse Outputs with Pulse CountIVY嘉泰姆

8-Bit MPU (80515), Up to 5 MIPS (Optional Use)IVY嘉泰姆

Full-Speed MPU Clock in Brownout ModeIVY嘉泰姆

Up to 29 Multifunction DIO PinsIVY嘉泰姆

Hardware Watchdog Timer (WDT)IVY嘉泰姆

UART for AMR or Other Communication DutiesIVY嘉泰姆

I²C/EEPROM InterfaceIVY嘉泰姆

Innovative Isolation Technology (Requires Companion CXEP2338A CXEP2338B Sensor, also from Maxim Integrated) Eliminates Current TransformersIVY嘉泰姆

Four Current Sensor Inputs with Selectable Differential ModeIVY嘉泰姆

Selectable Gain of 1 or 8 for One Current Input to Support Neutral Current ShuntIVY嘉泰姆

High-Speed Wh/VARh Pulse Outputs with Programmable WidthIVY嘉泰姆

Digital Temperature Compensation Improves System PerformanceIVY嘉泰姆

Metrology CompensationIVY嘉泰姆

Accurate RTC for TOU Functions with Automatic Temperature Compensation for Crystal in All Power ModesIVY嘉泰姆

Power Management Extends Battery Life During Power OutagesIVY嘉泰姆

Brownout Mode (BRN)IVY嘉泰姆

Sleep Mode (SLP)IVY嘉泰姆

Two Battery-Backup Modes:IVY嘉泰姆

Wake-Up on Pin Events and Wake-On TimerIVY嘉泰姆

1μA in Sleep ModeIVY嘉泰姆

   应用范围 返回TOPIVY嘉泰姆

Three-Phase Residential, Commercial, and Industrial Energy MetersIVY嘉泰姆

   技术规格书（产品PDF) 返回TOP IVY嘉泰姆

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产品封装图 返回TOPIVY嘉泰姆

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电路原理图 返回TOPIVY嘉泰姆

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Next▶:The CXEP2339 isolated sensor ICs enable 4th-generation CXEP2339 systems-on-chips (SoCs) to use nonisolating sensors such as resistive shunts without the need for costly and nonlinear isolation transfo