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温度传感器和控制 IC
数字温度传感器

LM70

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具有 SPI 接口的 ±2°C 温度传感器

立即订购
数据表

LM70

正在供货
数据表 立即订购

米6体育平台手机版_好二三四详情

Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -55 to 150 Supply voltage (min) (V) 2.65 Interface type SPI Supply voltage (max) (V) 5.5 Features UL recognized Supply current (max) (µA) 490 Temp resolution (max) (bps) 11 Remote channels (#) 0 Rating Catalog
Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -55 to 150 Supply voltage (min) (V) 2.65 Interface type SPI Supply voltage (max) (V) 5.5 Features UL recognized Supply current (max) (µA) 490 Temp resolution (max) (bps) 11 Remote channels (#) 0 Rating Catalog
VSSOP (DGK) 8 14.7 mm² 3 x 4.9 WSON (NGK) 8 9 mm² 3 x 3
  • 0.25°C Temperature Resolution.
  • Shutdown Mode Conserves Power Between Temperature Reading
  • SPI and MICROWIRE Bus Interface
  • VSSOP-8 and WSON-8 Packages Save Space
  • UL Recognized Component

Key Specifications

  • Supply Voltage 2.65V to 5.5V
  • Supply Current
    • Operating260 μA (typ)490 μA (max)
    • Shutdown12 μA (typ)
  • Temperature Accuracy
    • −40°C to 85°C, ±2°C(max)
    • −10°C to 65°C, +1.5/−2°C(max)
    • −55°C to 125°C, +3/−2°C(max)
    • −55°C to 150°C, +3.5/−2°C(max)

All trademarks are the property of their respective owners.

  • 0.25°C Temperature Resolution.
  • Shutdown Mode Conserves Power Between Temperature Reading
  • SPI and MICROWIRE Bus Interface
  • VSSOP-8 and WSON-8 Packages Save Space
  • UL Recognized Component

Key Specifications

  • Supply Voltage 2.65V to 5.5V
  • Supply Current
    • Operating260 μA (typ)490 μA (max)
    • Shutdown12 μA (typ)
  • Temperature Accuracy
    • −40°C to 85°C, ±2°C(max)
    • −10°C to 65°C, +1.5/−2°C(max)
    • −55°C to 125°C, +3/−2°C(max)
    • −55°C to 150°C, +3.5/−2°C(max)

All trademarks are the property of their respective owners.

The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in WSON and VSSOP 8-pin packages. The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical.

The LM70 has 10-bit plus sign temperature resolution (0.25°C per LSB) while operating over a temperature range of −55°C to +150°C.

The LM70's 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics.

The LM70 is a temperature sensor, Delta-Sigma analog-to-digital converter with an SPI and MICROWIRE compatible interface available in WSON and VSSOP 8-pin packages. The host can query the LM70 at any time to read temperature. A shutdown mode decreases power consumption to less than 10 µA. This mode is useful in systems where low average power consumption is critical.

The LM70 has 10-bit plus sign temperature resolution (0.25°C per LSB) while operating over a temperature range of −55°C to +150°C.

The LM70's 2.65V to 5.5V supply voltage range, low supply current and simple SPI interface make it ideal for a wide range of applications. These include thermal management and protection applications in hard disk drives, printers, electronic test equipment, and office electronics.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 LM70 SPI/MICROWIRE 10-Bit plus Sign Digital Temperature Sensor 数据表 (Rev. G) 2013年 3月 22日
证书 UL Report Vol1-Sec4 Description E232195 2018年 8月 9日
应用手册 AN-1256 Tiny Temperature Sensors for Portable Systems (Rev. A) 2013年 4月 26日
应用手册 Tiny Temperature Sensors for Remote Systems 2003年 2月 17日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

驱动程序或库

LM70SW-LINUX — 用于 LM70 的 Linux 驱动程序

Linux 驱动程序支持 LM70 系列温度传感器。Linux 驱动程序支持通过 SPI 总线和接口与硬件监测子系统进行通信。
Linux 主线状态

在 Linux 主线中提供：是
可通过 git.ti.com 获取：不适用

支持的器件：
  • lm70
  • tmp121
  • lm71
  • lm74
Linux 源文件

与该器件关联的文件为：

  1. drivers/hwmon/lm70.c
  2. Documentation/hwmon/lm70
源文件

drivers/hwmon/lm70.c

其他文件

Documentation/hwmon/lm70

 

启用驱动程序支持

使用“make (...)
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仿真模型

LM70 IBIS Model

SNIM010.ZIP (17 KB) - IBIS Model
下载
封装 引脚 CAD 符号、封装和 3D 模型
VSSOP (DGK) 8 Ultra Librarian
WSON (NGK) 8 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • 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
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

视频