Overview
The MAX6749KA+T is a high-precision voltage reference and supervisory IC manufactured by Maxim Integrated. It is designed to provide a stable voltage reference for critical applications, ensuring system reliability in industrial, automotive, and embedded environments. The device features low drift and hysteresis, making it suitable for demanding precision applications. Packaged in a compact SOT-23 form factor, the MAX6749KA+T is ideal for space-constrained designs. Its robust performance and integration of supervisory functions simplify system design while enhancing reliability.
Structure and Working Principle
The MAX6749KA+T integrates a precision bandgap voltage reference with supervisory circuitry to monitor system voltage levels. The bandgap core ensures stable output voltage with minimal temperature drift. The supervisory function includes reset generation to detect undervoltage conditions, ensuring safe system operation. When the supply voltage falls below a predefined threshold, the IC triggers a reset signal to the microcontroller or processor, preventing erratic behavior. This dual functionality reduces component count and board space while improving system reliability.
Key Features
The MAX6749KA+T offers several key features, including a low 0.2% initial accuracy and a temperature drift of 30ppm/°C. These specifications make it suitable for high-precision applications where voltage stability is critical. Additional features include a hysteresis-free design, which eliminates erratic behavior during voltage transitions, and a wide operating voltage range of 1.8V to 5.5V. The SOT-23 package ensures compatibility with compact designs, while its low quiescent current minimizes power consumption.
Application Areas
The MAX6749KA+T is widely used in industrial automation systems, automotive electronics, and embedded controllers. Its precision voltage reference is essential for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and sensor interfaces. In automotive systems, the IC ensures reliable operation of engine control units (ECUs) and infotainment systems. Industrial applications include programmable logic controllers (PLCs) and power supply monitoring, where voltage stability is crucial for accurate measurements and control.
Maintenance and Precautions
To ensure optimal performance, avoid exceeding the MAX6749KA+T's maximum ratings for voltage and temperature. Proper PCB layout is essential to minimize thermal resistance and ensure stable operation. Use decoupling capacitors near the supply pins to reduce noise and improve transient response. For long-term reliability, store the IC in an anti-static package and handle it with ESD precautions. Avoid exposure to moisture during assembly, as this can affect performance. Regularly inspect solder joints for cracks or degradation in high-vibration environments.
B2B Procurement Guide
When procuring the MAX6749KA+T, verify the supplier's authenticity to avoid counterfeit components. Maxim Integrated authorized distributors are recommended for guaranteed quality. Bulk purchases typically offer cost savings, with prices ranging approximately $1.50 to $3.00 per unit depending on volume. Check lead times and availability, as semiconductor supply chains can experience fluctuations. For critical applications, consider securing long-term supply agreements. Review datasheets and application notes to ensure compatibility with your system requirements.
Related Manufacturers
- 主营：IC、三极管、电容电阻、单片机、继电器、集成电路、芯片
- 主营：tps2062cd、tpa4861dr、ht66f0031、bh45b1225、bh45b1224、ba45f6730、tlv3401cd、tlv5626id、uc2845ad8、tlv5625cd、1.5ke16ca、tlv2772md、tlv2342id、1.5ke68ca、tlv2342ip、ucc27324d、ucc27324p、tlv2761ip、tlv2354id、tlv2354in、tps28225d、tlv2372id、tps2011ad、tpic2810d
- 主营：闪光灯、j3y贴片、缓冲器、封装smd、放大器、芯片门、i2c接口、解码器、sop8dc-dc、线性稳、照明灯、bk2535q32、稳压器、1n5819dip、封装bga、控制器、to-220-3n、连接器、合成器、dsep8-12a、to-252mos、smd电阻、sot-323-5、nau8814yg、快充车
- 主营：集成电路IC、单片机、电容电阻电感、电解电容模块、芯片、微控制器、逻辑器件、二极管晶体管、保险丝、电源管理芯片、接口芯片、连接器端子、开关、射频无线芯片、储存器传感器、继电器蜂鸣器、马达 开关、数据转换芯片、通信模块
- 主营：单片机 MCU、集成电路 IC、存储 IC、逻辑芯片、数据采集芯片、放大器 IC、时钟芯片
- 主营：晶闸管、mic5158ym、rt9183hps、max515esa、ds2401p+t、nx7102ide、pca9542ad、ds1721u+t、芯讯通、aic431cun、gs8332-mr、cat660eva、g5728to1u、gs8094-sr、adr434arm、isl8485ib、rtl8305nb、ds2460s+t、ds9034pc+、ds1832s+t、保险丝、比较器、mcp6022-i、sp3082een、存储器
- 主营：ADI一级代理、SGMICRO、LINEAR/ADI、XILINX、RICHTEK、AVAGO、MPS代理、OMRON代理、Maxim代理
- 主营：集成电路、多维霍尔传感器、芯动神州SINOXTECH、ST意法、TI德州、On安森美、单片机mcu、逻辑Ic、模拟转换器Ic、时钟充电Ic、MCU监控芯片、TE链接器、龙微LONGWEI、EC SENSE
- 主营：收发器、处理器、控制器、解码器、放大器、adi模数、htc电源、lm339apwr、整流器、存储器、74hc245pw、连接器、sst存储、计数器、滤波器、adi数模
- 主营：晶闸管、umwao4616、1smb5938b、umwaod510、umwaod516、s-sza6.8a、1smb5943b、1sma5932a、kbpc1504w、s-sza5.6a、mbr3020ct、s-szaf12a、1sma5913a、gk070r65p、9013slt1g、opa828idr、s-szaf30a、1sma5921a、2sa1037ak、gk380r65f、gk380r65d、s-sza130a、d25sb60lm、umw78l05s、umwel1019
- 主营：单片机MCU、电源IC、无线发射、接口IC、传感器、射频IC、光电器件、工控元件、监控芯片
- 主营：贴片固态电容、电源芯片、ESD静电保护
- 主营：4n25mdip6、二极管、收发器、mmsz18t1g、继电器、处理器、控制器、放大器、连接器、显示器、til113dip、sst存储、滤波器、单层usb、mmsz22t1g、ds1307dip、大芯片、cd40106be、金瑞丰、lm2733xmf、稳压器、ltv-354t-a、quad2input、el3052dip6、microchip8
- 主营：电子元器件、芯片、连接器、开关
- 主营：pmbt2222a、lm3103mhx、lmv321m5x、lmv612max、irf740pbf、lm324dr2g、74hc4017d、ad7741brz、hef4093bt、74hc244pw、svf10n65f、fds4435bz、ad8534arz、svf10n65t、ad8223brz、op2177arz、pca9517dp、esda6v1w5、irf840pbf、tle2141cp、bq32000dr、74hc123pw、hef4050bt、dfls140-7、sn74hc14n