LM20
- Rated for −55°C to 130°C Range
- Available in SC70 and DSBGA Package
- Predictable Curvature Error
- Suitable for Remote Applications
- Accuracy at 30°C ±1.5 to ±4°C (Maximum)
- Accuracy at 130°C and −55°C ±2.5 to ±5°C (Maximum)
- Power Supply Voltage Range 2.4 V to 5.5 V
- Current Drain 10 μA (Maximum)
- Nonlinearity ±0.4% (Typical)
- Output Impedance 160 Ω (Maximum)
- Load Regulation
0 μA < IL< 16 μA −2.5 mV (Maximum)
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The LM20 is a precision analog output CMOS integrated-circuit temperature sensor that operates over −55°C to 130°C. The power supply operating range is 2.4 V to 5.5 V. The transfer function of LM20 is predominately linear, yet has a slight predictable parabolic curvature. The accuracy of the LM20 when specified to a parabolic transfer function is ±1.5°C at an ambient temperature of 30°C. The temperature error increases linearly and reaches a maximum of ±2.5°C at the temperature range extremes. The temperature range is affected by the power supply voltage. At a power supply voltage of 2.7 V to 5.5 V, the temperature range extremes are 130°C and −55°C. Decreasing the power supply voltage to 2.4 V changes the negative extreme to −30°C, while the positive extreme remains at 130°C.
The LM20 quiescent current is less than 10 μA. Therefore, self-heating is less than 0.02°C in still air. Shutdown capability for the LM20 is intrinsic because its inherent low power consumption allows it to be powered directly from the output of many logic gates or does not necessitate shutdown.
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技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | LM20 2.4-V, 10-µA, SC70, DSBGA Temperature Sensor 数据表 (Rev. Q) | PDF | HTML | 2015年 1月 31日 | ||
证书 | UL Certificate of Compliance Vol1-Sec12 E232195 | 2018年 8月 6日 | ||||
应用手册 | AN-1256 Tiny Temperature Sensors for Portable Systems (Rev. A) | 2013年 4月 26日 | ||||
用户指南 | LM20X User's Guide | 2013年 2月 28日 | ||||
应用手册 | Tiny Temperature Sensors for Remote Systems | 2003年 2月 17日 |
设计和开发
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封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
DSBGA (YZR) | 4 | Ultra Librarian |
SOT-SC70 (DCK) | 5 | Ultra Librarian |
订购和质量
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
- 制造厂地点
- 封装厂地点