產品詳情

Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -55 to 125 Supply voltage (min) (V) 2.7 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features ALERT, UL recognized Supply current (max) (μA) 500 Temp resolution (max) (bps) 9 Remote channels (#) 0 Addresses 8 Rating Catalog
Local sensor accuracy (max) 2 Type Local Operating temperature range (°C) -55 to 125 Supply voltage (min) (V) 2.7 Interface type I2C, SMBus Supply voltage (max) (V) 5.5 Features ALERT, UL recognized Supply current (max) (μA) 500 Temp resolution (max) (bps) 9 Remote channels (#) 0 Addresses 8 Rating Catalog
SOIC (D) 8 29.4 mm2 4.9 x 6 VSSOP (DGK) 8 14.7 mm2 3 x 4.9
  • No External Components Required
  • Shutdown Mode to Minimize Power Consumption
  • Up to Eight LM75As can be Connected to a Single Bus
  • Power up Defaults Permit Stand-Alone Operation as Thermostat
  • Key Specifications:
    • Supply Voltage
      • LM75A: 2.7 V to 5.5 V
    • Supply Current
      • Operating: 280 μA (Typical)
      • Shutdown: 4 μA (Typical)
    • Temperature Accuracy
      • 25°C to 100°C: ±2°C (Max)
      • 55°C to 125°C: ±3°C (Max)
  • No External Components Required
  • Shutdown Mode to Minimize Power Consumption
  • Up to Eight LM75As can be Connected to a Single Bus
  • Power up Defaults Permit Stand-Alone Operation as Thermostat
  • Key Specifications:
    • Supply Voltage
      • LM75A: 2.7 V to 5.5 V
    • Supply Current
      • Operating: 280 μA (Typical)
      • Shutdown: 4 μA (Typical)
    • Temperature Accuracy
      • 25°C to 100°C: ±2°C (Max)
      • 55°C to 125°C: ±3°C (Max)

The LM75A is an industry-standard digital temperature sensor with an integrated sigma-delta analog-to-digital converter (ADC) and I2C interface. The LM75A provides 9-bit digital temperature readings with an accuracy of ±2°C from –25°C to 100°C and ±3°C over –55°C to 125°C.

The LM75A operates with a single supply from 2.7 V to 5.5 V. Communication is accomplished over a 2-wire interface which operates up to 400 kHz. The LM75A has three address pins, allowing up to eight LM75A devices to operate on the same 2-wire bus. The LM75A has a dedicated overtemperature output (O.S.) with programmable limit and hysteresis. This output has programmable fault tolerance, which lets the user to define the number of consecutive error conditions that must occur before O.S. is activated. The wide temperature and supply range and I2C interface make the LM75A ideal for a number of applications including base stations, electronic test equipment, office electronics, personal computers, and any other system in which thermal management is critical to performance. The LM75A is available in an SOIC-8 package and an VSSOP-8 package.

The LM75A is an industry-standard digital temperature sensor with an integrated sigma-delta analog-to-digital converter (ADC) and I2C interface. The LM75A provides 9-bit digital temperature readings with an accuracy of ±2°C from –25°C to 100°C and ±3°C over –55°C to 125°C.

The LM75A operates with a single supply from 2.7 V to 5.5 V. Communication is accomplished over a 2-wire interface which operates up to 400 kHz. The LM75A has three address pins, allowing up to eight LM75A devices to operate on the same 2-wire bus. The LM75A has a dedicated overtemperature output (O.S.) with programmable limit and hysteresis. This output has programmable fault tolerance, which lets the user to define the number of consecutive error conditions that must occur before O.S. is activated. The wide temperature and supply range and I2C interface make the LM75A ideal for a number of applications including base stations, electronic test equipment, office electronics, personal computers, and any other system in which thermal management is critical to performance. The LM75A is available in an SOIC-8 package and an VSSOP-8 package.
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技術文檔

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類型 標題 下載最新的英語版本 日期
* 數據表 LM75A Digital Temperature Sensor and Thermal Watchdog With Two-Wire Interface 數據表 (Rev. P) PDF | HTML 2014年 12月 30日
應用手冊 LM75B 和 TMP1075 業界通用器件：設計指南和規格比較 (Rev. A) PDF | HTML 英語版 (Rev.A) PDF | HTML 2024年 3月 15日
應用手冊 Temperature sensors: PCB guidelines for surface mount devices (Rev. A) 2019年 1月 18日
應用手冊 Applying I2C-Compatible Temperature Sensors in Systems With Slow Clock Edges (Rev. A) 2013年 5月 6日
用戶指南 LM75A User’s Guide 2013年 1月 17日
用戶指南 LM75AEB User’s Guide (Rev. A) 2012年 8月 24日
應用手冊 Tiny Temperature Sensors for Remote Systems 2003年 2月 17日

設計和開發

如需其他信息或資源，請點擊以下任一標題進入詳情頁面查看（如有）。

驅動程序或庫

LM75SW-LINUX — 用于 LM75 的 Linux 驅動程序

Linux 驅動程序支持 LM75 兼容溫度傳感器。Linux 驅動程序支持通過 I2C 總線進行通信，并可與硬件監測子系統接口連接。
Linux 主線狀態

在 Linux 主線中提供：是
可通過 git.ti.com 獲取：不適用

支持的器件:
  • LM75A
  • TMP100
  • TMP101
  • TMP105
  • TMP112
  • TMP175
  • TMP275
  • TMP75
  • TMP1075
Linux 源文件

與該器件關聯的文件為：

  1. drivers/hwmon/lm75.c
  2. Documentation/devicetree/bindings/i2c/trivial-devices.txt
  3. drivers/hwmon/lm75.h
  4. (...)
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支持軟件

SENSOREVAL — Eval Board Software For Hardware Monitors And Digital Temperature Sensors

SensorEval
SensorEval software supports the latest TI temperature sensor and hardware monitor evaluation boards via USB interface. It also allows access to sensors mounted directly on motherboards that support Intel chip sets.

  • Download SensorEval Software and Manual
  • Windows XP support is offered for (...)
支持的產品和硬件

支持的產品和硬件

產品
數字溫度傳感器
LM63 — 1 條遠程和本地通道溫度傳感器，帶風扇控制功能 LM64 — 帶風扇控制功能和 5 個 GPIO 的遠程和本地溫度傳感器 LM71 — 具有 SPI 接口的 ±1.5°C 溫度傳感器 LM71-Q1 — 具有 SPI 接口的汽車級 ±1.5°C 溫度傳感器 LM73 — 具有 I2C/SMBus 接口的 ±1°C 溫度傳感器 LM75A — 具有 I2C/SMBus 接口的 2C 業界通用溫度傳感器 LM86 — 具有 SMBus 接口的 ±0.75°C 遠程和本地溫度傳感器 LM89 — 具有 SMBus 接口和 2 個地址用于總線共享的 ±0.75°C 遠程和本地溫度傳感器 LM90 — 具有 SMBus 接口的遠程和本地溫度傳感器 LM93 — 具有 2 條遠程和 1 條本地通道的溫度傳感器，帶硬件監控器和 16 個電源電壓監控器 LM95010 — 具有 SensorPath 接口的 ±2°C 溫度傳感器 LM95071 — 具有 SPI 接口的 ±1°C 溫度傳感器 LM95172-Q1 — 具有 SPI 接口且支持 200°C 溫度的汽車級 ±1°C 溫度傳感器 LM95214 — 具有 SMBus 接口的 ±2°C 四路遠程和本地溫度傳感器 LM95221 — 具有 β 補償、SMBus 和 I2C 接口的 ±3°C 雙路遠程和本地溫度傳感器 LM95231 — 采用 TruTherm 技術且具有 SMBus 接口的雙路遠程和本地溫度傳感器 LM95233 — 采用 TruTherm 技術且具有 SMBus 接口的 ±2°C 雙路遠程和本地溫度傳感器 LM95234 — 采用 TruTherm 技術且具有 SMBus 接口的 ±2°C 四路遠程和本地溫度傳感器 LM95235 — 具有 SMBus 接口、采用 β 補償技術、適用于 65/90nm 處理器二極管的 ±0.75°C 遠程和本地溫度傳感器 LM95235-Q1 — 采用 TruTherm 技術且具有 SMBus 接口的汽車級 ±2°C 遠程和本地溫度傳感器 LM95241 — 具有 β 補償、SMBus 和 I2C 的 ±1.25°C 雙路遠程和本地溫度傳感器 LM95245 — 具有 SMBus 接口、采用 β 補償技術、適用于 45nm 處理器二極管的 ±0.75°C 遠程和本地溫度傳感器 LM96000 — 硬件監控器，帶風扇控制功能和 6 個電源電壓監控器 LM96080 — 1 條本地通道溫度傳感器，帶風扇轉速控制功能和電源電壓監控器 LM96163 — 具有 1 條遠程和本地通道的溫度傳感器，帶 β 補償和風扇控制功能 LM99 — 采用 TruTherm 技術且具有 SMBus 接口的遠程和本地溫度傳感器
精密 ADC
ADC128D818 — 具有溫度傳感器、內部/外部電壓基準和 I2C 接口的 12 位、82SPS、8 通道 Δ-Σ ADC
仿真模型

LM75A IBIS Model

SNOM549.ZIP (33 KB) - IBIS Model
下載
封裝 引腳 CAD 符號、封裝和 3D 模型
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian

訂購和質量

包含信息：
  • RoHS
  • REACH
  • 器件標識
  • 引腳鍍層/焊球材料
  • MSL 等級/回流焊峰值溫度
  • MTBF/時基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續可靠性監測
包含信息：
  • 制造廠地點
  • 封裝廠地點

支持和培訓

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