Overview
The LTC1966IMS8 is a precision RMS-to-DC converter manufactured by Linear Technology (now part of Analog Devices). It is designed to accurately measure the true RMS value of complex AC waveforms, converting them into a proportional DC voltage. This IC is widely used in industrial, scientific, and instrumentation applications where precise RMS measurements are critical. The device operates over a wide input range and provides high accuracy with minimal external components. Its compact MSOP-8 package makes it suitable for space-constrained designs, while its low power consumption is ideal for portable and battery-powered systems.
Structure and Working Principle
The LTC1966IMS8 integrates a precision analog computational core that performs true RMS conversion. It uses a proprietary delta-sigma technique to achieve high linearity and accuracy across a broad frequency range. The input signal is internally squared, averaged, and square-rooted to produce the RMS output. The IC includes built-in protection features such as overvoltage and reverse-voltage protection, enhancing its robustness in harsh environments. The MSOP-8 package ensures minimal board space usage while maintaining excellent thermal performance.
Key Features
The LTC1966IMS8 offers several standout features, including a ±0.25% typical RMS conversion error and a wide input bandwidth of up to 500kHz. Its low power consumption (typically 1.5mA) makes it suitable for battery-operated devices. Other notable features include a wide supply voltage range (2.7V to 5.5V), excellent temperature stability, and minimal dependence on waveform shape. These characteristics make it a versatile choice for applications requiring high-precision RMS measurements.
Application Areas
The LTC1966IMS8 is commonly used in power monitoring systems, energy meters, and industrial control equipment. Its ability to accurately measure distorted or noisy waveforms makes it valuable in power quality analysis and audio signal processing. Additional applications include medical instrumentation, aerospace systems, and automotive diagnostics, where reliable RMS measurements are essential for performance and safety.
Maintenance and Precautions
To ensure optimal performance, the LTC1966IMS8 should be handled with proper ESD precautions during installation and maintenance. Avoid exceeding the specified input voltage range to prevent damage. For long-term reliability, operate the device within its recommended temperature range (-40°C to +85°C) and ensure proper PCB layout to minimize noise and thermal stress.
B2B Procurement Guide
When procuring the LTC1966IMS8, verify the supplier's authenticity to avoid counterfeit components. Consider purchasing from authorized distributors of Analog Devices for guaranteed quality. Evaluate your volume requirements, as bulk orders may qualify for discounts. Lead times can vary, so plan accordingly to avoid project delays. Always check for the latest datasheet and application notes from the manufacturer.
Related Manufacturers
- 主营：放大器、检测器、滤波器、sta2500dc、调制器、发射器、接收器、衰减器、解调器、变压器、合成器、收发器、偏置器、振荡器、tda7708str、rfid天线、终端负载、隔直流器、微波射频、集成电路、同轴开关、接入监控ic、频率综合器、便携式仪器、mcl电子开关
- 主营：放大器、检测器、滤波器、调制器、发射器、接收器、衰减器、解调器、变压器、收发器、偏置器、振荡器、rfid天线、终端负载、隔直流器、微波射频、集成电路、同轴开关、接入监控ic、频率综合器、射频适配器、定向耦合器、耦合器电桥、多路复用器、rfid读取模块
- 主营：驱动器、二极管、三极管、单片机、AD5696RARUZ、MAX17043G T、MK24FN1M0VDC12
- 主营：TI、ST、ADI、XILINX赛灵思、ALTERA、阿尔特拉、镁光
- 主营：可编程逻辑器件、易失性储存器、继电器、接口及驱动IC、电源管理芯片、单片机、模拟芯片、集成电路、滤波器、处理器及微控制器、逻辑芯片、时钟和计时器、存储器、光电子、传感器、放大器、NCE、TI、ST、GD、MICRON、MAXIM、ADI、WINBOND、ON
- 主营：电源芯片、ltc4063edd#trpbf、pbffet输入运放
- 主营：irlml2803、pmbt2222a、lm2575-5v、byg23m-e3、zxm61n03f、max232ese、max202idr、开发板、74hc4017d、sm20-srss、lcmx0640c、auir3315s、max3232cd、upg2214tb、sgm2019-1、ad8626arz、srv05-4-n、fds6990as、usb2512bi、max485esa、ps22a78-e、mbr1045ct、acpl-p343、7805-1.5a、bzt52b3v6
- 主营：mic3172bm、vsc8211vw、mb90f497g、upd8861cy、max660epa、smp220sri、tb9102fng、uda1352hl、max634esa、upc2757tb、tea1721ft、m51958bfp、lt6015is5、ad7534knz、acpl-k44t、w681360sg、ps7802-1a、lt1469is8、tda5030at、os8104aaq、max998esa、ad9050brs、acpl-p456、tmc222-si、opa2350ea
- 主营：amd系列、ad7841bsz、uln2003an、sn74ls00n、ad977brsz、edi系列、sn74ls03n、sn75161bn、ad10242tz、ad7847brz、ad10465bz、ad5764csuz、ad7656bstz、sn74ls145n、ad9920abbcz、opa2333shkj、sn74hct138n、intel系列、sn74ls107an、银河飞腾、mmsz5248bt1g、tms320c25gba、tms320c25gbl、国微电子、ad7572ajrz10
- 主营：数字信号IC、NANR闪存、射频晶体管、微控制器-MCU、开关IC、放大器IC、电源管理IC、接口IC、存储器IC、滤波器、电阻器、电容器、集成电路 IC、时钟与定时Ic、驱动器IC、射频放大器IC、以太网 IC、RF 开关 IC、模数转换器-ADC
- 主营：IC、集成电路、电子元器件
- 主营：ad574ajnz、74hc4051d、欧姆龙、jq1-12v-f、opa3690id、tq2-l2-5v、cbb电容、100nf104k、扁平线、无锁自、丝印l8r、3266x-101、pcm1742ke、sn74hc00d、tlc27l1id、sn75176bp、射频座、led灯珠、nce01p03s、tq2-l-12v、贴片sop、蜂鸣器、存储器、csd87381p、cd40161be
- 主营：集成电路IC、芯片、电子元器件
- 主营：滤波器、ad9221arz、ad7226krz、传感器、ad7859asz、ad7829brz、ad9762arz、ad7396arz、连接器、ad7810yrz、二极管、ad9225arz、ad7392arz、三极管、ad7247jrz、ad7706bnz、ad8300arz、ad7706brz、ad7687brmz、ad5422arez、adg633yruz、ad7706bruz、ad7817bruz、ad9221arsz、ad9201arsz
- 主营：加速计、连接器、控制器、串行器、稳压器、片上系统、电源模块、轻触开关、开关电源、直流转换器、数模转换器、照明驱动器、信号处理器、随机存取存储器