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-program

   产品概述 返回TOPSZ6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TOPSZ6嘉泰姆

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SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing PerformanceSZ6嘉泰姆

0.1% Typical Accuracy Over 2000:1 Current RangeSZ6嘉泰姆

Exceeds IEC 62053/ANSI C12.20 StandardsSZ6嘉泰姆

Four-Quadrant MeteringSZ6嘉泰姆

46-64Hz Line Frequency Range with the Same CalibrationSZ6嘉泰姆

Phase Compensation (±10°)SZ6嘉泰姆

Independent 32-Bit Compute EngineSZ6嘉泰姆

64KB Flash, 5KB RAMSZ6嘉泰姆

Built-In Flash SecuritySZ6嘉泰姆

SPI Interface to Host with Flash Program CapabilitySZ6嘉泰姆

Up to Four Pulse Outputs with Pulse CountSZ6嘉泰姆

8-Bit MPU (80515), Up to 5 MIPS (Optional Use)SZ6嘉泰姆

Full-Speed MPU Clock in Brownout ModeSZ6嘉泰姆

Up to 29 Multifunction DIO PinsSZ6嘉泰姆

Hardware Watchdog Timer (WDT)SZ6嘉泰姆

UART for AMR or Other Communication DutiesSZ6嘉泰姆

I²C/MICROWIRE^®EEPROM InterfaceSZ6嘉泰姆

Innovative Isolation Technology (Requires Companion CXEP2338A CXEP2338B Sensor, also from Maxim Integrated) Eliminates Current TransformersSZ6嘉泰姆

Four Current Sensor Inputs with Selectable Differential ModeSZ6嘉泰姆

Selectable Gain of 1 or 8 for One Current Input to Support Neutral Current ShuntSZ6嘉泰姆

High-Speed Wh/VARh Pulse Outputs with Programmable WidthSZ6嘉泰姆

Digital Temperature Compensation Improves System PerformanceSZ6嘉泰姆

Metrology CompensationSZ6嘉泰姆

Accurate RTC for TOU Functions with Automatic Temperature Compensation for Crystal in All Power ModesSZ6嘉泰姆

Power Management Extends Battery Life During Power OutagesSZ6嘉泰姆

Brownout Mode (BRN)SZ6嘉泰姆

Sleep Mode (SLP)SZ6嘉泰姆

Two Battery-Backup Modes:SZ6嘉泰姆

Wake-Up on Pin Events and Wake-On TimerSZ6嘉泰姆

1μA in Sleep ModeSZ6嘉泰姆

   应用范围 返回TOPSZ6嘉泰姆

Three-Phase Residential, Commercial, and Industrial Energy MetersSZ6嘉泰姆

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