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RENESAS ISL21010CFH333Z-TK ISL21010CFH333Z
Configuration
1 options
Configuration
21+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RENESAS ISL21010CFH333Z-TK
- Type
- RENESAS
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RENESAS
- Electronic Component
- ISL21010CFH333Z-TK
- Electronic Component
- 1
- Package
- SOT-23-3
- Electronic Component
- Voltage Reference IC
- Electronic Component
- ±0.2%
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Electronic Component
- BM0264369412
- Operating Temperature
- 40℃~+125℃
- Operating Voltage
- 3.4V~5.5V
- Electronic Component
- 50ppm/℃
- Output Voltage
- 3.3V
- Output Current
- 25mA
- Output Type
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ISL21010CFH333Z-TK 产品概述
一、概述
ISL21010CFH333Z-TK（RENESAS）是一款高精度、低噪声的固定输出串联电压基准，输出固定为3.3V。器件工作电压范围为3.4V至5.5V，输出电流最高可达25mA。凭借±0.2% 的初始精度与50ppm/°C 的温度系数，该器件在精密数据采集、传感与校准系统中表现优异。小型SOT-23-3封装适合空间受限和便携式应用。
二、主要特性
- 输出类型：固定 3.3V（串联基准）
- 工作电压：3.4V ~ 5.5V
- 最大输出电流：25mA
- 初始精度：±0.2%
- 温度系数：50ppm/°C
- 静态电流（Iq）：48 μA（典型）
- 低频噪声（0.1Hz–10Hz）：95 μVpp
- 宽频噪声（10Hz–10kHz）：40 μVrms
- 工作温度范围：-40℃ ~ +125℃
- 封装：SOT-23-3
这些参数使ISL21010CFH333Z-TK兼具高精度与低功耗，尤其适用于受限电源与电池供电场合。
三、典型应用
- 精密ADC/DAC参考源
- 低功耗数据采集系统和便携式测量仪表
- 传感器信号调理与温度补偿电路
- 供电监控与精确电压比较
- 精密校准与参考电压源
四、典型电路与PCB布局建议
- 引脚连接：VIN、GND、VOUT；输入端接入稳压电源，输出端为参考负载供电。
- 去耦与稳定性：建议在输出端靠近器件放置低ESR陶瓷电容（例如0.1μF 并联 1μF~10μF），以降低噪声并改善瞬态响应。输入端可加0.1μF去耦电容。
- 布局要点：将基准的地端直接回流到系统的模拟地，降低地线阻抗；VOUT走线要短而粗，避免与高速数字信号平行走线，减少耦合噪声。SOT-23-3 封装无外露散热垫，应在PCB上用较大面积的铜箔和地平面帮助散热并稳定温度。
五、热与可靠性说明
在最坏工况下，器件功耗可由 (VIN - VOUT) × IOUT + VIN × Iq 估算。举例：当 VIN=5.0V、IOUT=25mA 时，功耗约为43mW，热量较低，但在高环境温度或多器件密集布局时仍需注意热累积。建议参照完整Datasheet获取器件的热阻（θJA）及长期可靠性测试数据，以指导散热与加速寿命验证。
六、总结
ISL21010CFH333Z-TK 提供高精度（±0.2%）与低噪声（0.1Hz–10Hz：95μVpp，10Hz–10kHz：40μVrms）性能，配合48μA的低静态电流和小封装，适合对参考精度与功耗有严格要求的应用。正确的去耦、电路布局和热设计能充分发挥其性能，满足精密测量与便携式电子系统对稳定参考电压的需求。欲获取详细典型曲线、引脚排列和所有极限参数，请参考RENESAS官方完整数据手册。
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