CXEP2331 offers single-ended inputs for two current channels and two single-ended voltage inputs,A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC fur

发布时间：2020-04-06 09:43:38 浏览次数：724 作者：嘉泰姆

摘要：CXEP2331 offers single-ended inputs for two current channels and two single-ended voltage inputs,A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC fur

A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC further reduce system cost. The IC supports 2-wire, 3-wire, and 4-wire single-phase and dual-phase residential metering along with tamper-detection mechanisms. The CXEP2331 offers single-ended inputs for two current channels and two single-ended voltage inputs. The CXEP2331 have two differential current inputs and three single-ended voltage inputs.The CXEP2331/32 are highly integrated SoC devices with an MPU core, RTC, flash, and LCD driver. The patented Single Converter Technology® with a 22-bit, delta-sigma ADC; four analog inputs; digital temperature compensation; precision voltage reference; battery voltage monitor; and 32-bit computation engine (CE) supports a wide range of residential metering applications with very few low-cost external components.Maximum design flexibility is provided by multiple UARTs, I2C, MICROWIRE™, up to 21 DIO pins, and in-system programmable flash memory, which can be updated with data or application code in operation. A complete array of ICE and development tools, programming libraries, and reference designs enable rapid development and certification of TOU, AMR, and prepay meters that comply with worldwide electricity metering standards.

产品特点 返回TOPbyA嘉泰姆

 Wh accuracy < 0.1% over 2000:1 current range byA嘉泰姆

 Exceeds IEC62053/ANSI C12.20 standards byA嘉泰姆

 Four sensor inputs byA嘉泰姆

 Low-jitter Wh and VARh plus two additional pulse test outputs (4 total, 10 kHz maximum) with pulse count byA嘉泰姆

 Four-quadrant metering byA嘉泰姆

 Tamper detection (Neutral current with CT, Rogowski or shunt, magnetic tamper input) byA嘉泰姆

 Line frequency count for RTC byA嘉泰姆

 Digital temperature compensation byA嘉泰姆

 Sag detection for phase A and B byA嘉泰姆

 Independent 32-bit compute engine byA嘉泰姆

 46-64 Hz line frequency range with same calibration. Phase compensation ( 7) byA嘉泰姆

 Three battery modes with wake-up on timer or push-button: BROWNOUT Mode (52 μA typ.) LCD Mode (21 μA typ., DAC active) SLEEP Mode (0.7 μA typ.) byA嘉泰姆

 Energy display during mains power failure byA嘉泰姆

 39 mW typical consumption @ 3.3 V, MPU clock frequency 614 kHz byA嘉泰姆

 22-bit delta-sigma ADC with 3360 Hz or 2520 Hz sample rate byA嘉泰姆

 8-bit MPU (80515),1 clock cycle per instruction, 10 MHz maximum, with integrated ICE for debug byA嘉泰姆

 RTC for TOU functions with clock-rate adjust register byA嘉泰姆

 Hardware watchdog timer, power fail monitor byA嘉泰姆

 LCD driver with 4 common segment drivers: Up to 156 (CXEP2331A/B) or 268 pixels (CXEP2331A/B) byA嘉泰姆

 Up to 22 (CXEP2331A/B) or 43 (CXEP2331A/B) general-purpose I/O pins. Digital I/O pins compatible with 5 V inputs byA嘉泰姆

 32 kHz time base byA嘉泰姆

 High-speed slave SPI interface to data RAM byA嘉泰姆

 Two UARTs for IR and AMR, IR driver with modulation byA嘉泰姆

 FLASH memory with security and in-system program update: 128 KB (CXEP2331A/32A) 256 KB (CXEP2331B/32B) byA嘉泰姆

 4 KB MPU XRAM byA嘉泰姆

 Industrial temperature range byA嘉泰姆

 68-pin QFN package for CXEP2331A/B pincompatible , 100-pin LQFP package for CXEP2331A/B, lead freebyA嘉泰姆

应用范围 返回TOPbyA嘉泰姆

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High-End Residential Meters, AMR/AMI, and TOUbyA嘉泰姆

Industrial, Commercial, and Grid MetersbyA嘉泰姆

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CXEP2331BbyA嘉泰姆	1P/2PbyA嘉泰姆	256byA嘉泰姆	4byA嘉泰姆	SingleendbyA嘉泰姆	2SE + 2byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	156 (39x4)byA嘉泰姆	22byA嘉泰姆	2byA嘉泰姆
CXEP2332AbyA嘉泰姆	1P/2PbyA嘉泰姆	128byA嘉泰姆	4byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	268 (67x4)byA嘉泰姆	43byA嘉泰姆	2byA嘉泰姆
CXEP2332BbyA嘉泰姆	1P/2PbyA嘉泰姆	256byA嘉泰姆	4byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	268 (67x4)byA嘉泰姆	43byA嘉泰姆	2byA嘉泰姆
CXEP2333AbyA嘉泰姆	3PbyA嘉泰姆	128byA嘉泰姆	4byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	228 (57x4)byA嘉泰姆	39byA嘉泰姆	2byA嘉泰姆
CXEP2333BbyA嘉泰姆	3PbyA嘉泰姆	128byA嘉泰姆	4byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	228 (57x4)byA嘉泰姆	39byA嘉泰姆	2byA嘉泰姆
CXEP2334AbyA嘉泰姆	3PbyA嘉泰姆	128byA嘉泰姆	4byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	300 (75x4)byA嘉泰姆	52byA嘉泰姆	2byA嘉泰姆
CXEP2334BbyA嘉泰姆	3PbyA嘉泰姆	256byA嘉泰姆	4byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	300 (75x4)byA嘉泰姆	52byA嘉泰姆	2byA嘉泰姆
CXEP2335AbyA嘉泰姆	1PbyA嘉泰姆	32byA嘉泰姆	3byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 1byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	222 (37x6)byA嘉泰姆	30byA嘉泰姆	2byA嘉泰姆
CXEP2335BbyA嘉泰姆	1PbyA嘉泰姆	64byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 1byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	222 (37x6)byA嘉泰姆	30byA嘉泰姆	2byA嘉泰姆
CXEP2335CbyA嘉泰姆	1PbyA嘉泰姆	128byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 1byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	222 (37x6)byA嘉泰姆	30byA嘉泰姆	2byA嘉泰姆
CXEP2336AbyA嘉泰姆	1P/2PbyA嘉泰姆	64byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	336 (56x6)byA嘉泰姆	51byA嘉泰姆	2byA嘉泰姆
CXEP2336BbyA嘉泰姆	1P/2PbyA嘉泰姆	128byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	336 (56x6)byA嘉泰姆	51byA嘉泰姆	2byA嘉泰姆
CXEP2337AbyA嘉泰姆	3PbyA嘉泰姆	64byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	336 (56x6)byA嘉泰姆	51byA嘉泰姆	2byA嘉泰姆
CXEP2337BbyA嘉泰姆	3PbyA嘉泰姆	128byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	336 (56x6)byA嘉泰姆	51byA嘉泰姆	2byA嘉泰姆
CXEP2337CbyA嘉泰姆	3PbyA嘉泰姆	128byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	336 (56x6)byA嘉泰姆	51byA嘉泰姆	2byA嘉泰姆
CXEP2337DbyA嘉泰姆	3PbyA嘉泰姆	64byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆	336 (56x6)byA嘉泰姆	51byA嘉泰姆	2byA嘉泰姆
CXEP2338AbyA嘉泰姆	3PbyA嘉泰姆	64byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆		29byA嘉泰姆	1byA嘉泰姆
CXEP2338BbyA嘉泰姆	3PbyA嘉泰姆	64byA嘉泰姆	5byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3byA嘉泰姆	5byA嘉泰姆	YesbyA嘉泰姆		29byA嘉泰姆	1byA嘉泰姆
CXEP2339byA嘉泰姆	1PbyA嘉泰姆
CXEP2340byA嘉泰姆	1P ,3PbyA嘉泰姆	0byA嘉泰姆	0byA嘉泰姆	DifferentialbyA嘉泰姆	2DbyA嘉泰姆			300(50x6)byA嘉泰姆	70byA嘉泰姆	0byA嘉泰姆
CXEP2341byA嘉泰姆	1P/2PbyA嘉泰姆	64byA嘉泰姆	8byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	156(39x4) byA嘉泰姆 190(38X5)byA嘉泰姆 222(37x6)byA嘉泰姆	39byA嘉泰姆	3byA嘉泰姆
CXEP2342byA嘉泰姆	1P/2PbyA嘉泰姆	128byA嘉泰姆	8byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	10byA嘉泰姆	YesbyA嘉泰姆	156(39x4) byA嘉泰姆 190(38X5)byA嘉泰姆 222(37x6)byA嘉泰姆	39byA嘉泰姆	3byA嘉泰姆
CXEP2343byA嘉泰姆	1PbyA嘉泰姆	256byA嘉泰姆	48byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3SEbyA嘉泰姆	20byA嘉泰姆	YesbyA嘉泰姆	160(40x4) byA嘉泰姆 228(38x6)byA嘉泰姆 288(36x8)byA嘉泰姆	88byA嘉泰姆	5byA嘉泰姆
CXEP2344byA嘉泰姆	1PbyA嘉泰姆	512byA嘉泰姆	48byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3SEbyA嘉泰姆	20byA嘉泰姆	YesbyA嘉泰姆	160(40x4) byA嘉泰姆 228(38x6) byA嘉泰姆 288(36x8)byA嘉泰姆	88byA嘉泰姆	5byA嘉泰姆
CXEP2345byA嘉泰姆	3PbyA嘉泰姆	256byA嘉泰姆	48byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3SEbyA嘉泰姆	20byA嘉泰姆	YesbyA嘉泰姆	160(40x4)byA嘉泰姆 228(38x6)byA嘉泰姆 288(36x8)byA嘉泰姆	88byA嘉泰姆	5byA嘉泰姆
CXEP2346byA嘉泰姆	3PbyA嘉泰姆	512byA嘉泰姆	48byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3SEbyA嘉泰姆	20byA嘉泰姆	YesbyA嘉泰姆	160(40x4) byA嘉泰姆 228(38x6) byA嘉泰姆 288(36x8)byA嘉泰姆	88byA嘉泰姆	5byA嘉泰姆
CXEP2347byA嘉泰姆	1P byA嘉泰姆 1P/2PbyA嘉泰姆	1024byA嘉泰姆	128byA嘉泰姆	DifferentialbyA嘉泰姆	2D + 2byA嘉泰姆	54byA嘉泰姆	YesbyA嘉泰姆	300(50x6)byA嘉泰姆	70byA嘉泰姆	7byA嘉泰姆
CXEP2348byA嘉泰姆	3PbyA嘉泰姆	1024byA嘉泰姆	128byA嘉泰姆	DifferentialbyA嘉泰姆	4D + 3SEbyA嘉泰姆	54byA嘉泰姆	YesbyA嘉泰姆	300(50x6)byA嘉泰姆	70byA嘉泰姆	8byA嘉泰姆

byA嘉泰姆

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上一篇： CXEP2330 is a high-accuracy analog front-end (AFE) IC that provides measurements for four-quadrant 3-phase metering. The combination of a 21-bit sigma-delta analog-to-digital converter with a six-inpu

下一篇： The CXEP2332D CXEP2332F are highly integrated SoC devices with an MPU core, RTC, flash, and LCD driver.four analog inputs; digital temperature compensation; precision voltage reference; battery voltag

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CXEP2331 offers single-ended inputs for two current channels and two single-ended voltage inputs,A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC fur

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CXEP2331 offers single-ended inputs for two current channels and two single-ended voltage inputs,A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC fur

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