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数字温度传感器

LM95214

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具有 SMBus 接口的 ±2°C 四路远程和本地温度传感器

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数据表

LM95214

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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 Remote Operating temperature range (°C) -40 to 140 Supply voltage (min) (V) 3 Interface type I2C, SMBus Supply voltage (max) (V) 3.6 Features ALERT, One-shot conversion Supply current (max) (µA) 800 Temp resolution (max) (bps) 11 Remote channels (#) 4 Addresses 3 Rating Catalog
Local sensor accuracy (max) 2 Type Remote Operating temperature range (°C) -40 to 140 Supply voltage (min) (V) 3 Interface type I2C, SMBus Supply voltage (max) (V) 3.6 Features ALERT, One-shot conversion Supply current (max) (µA) 800 Temp resolution (max) (bps) 11 Remote channels (#) 4 Addresses 3 Rating Catalog
WSON (NHL) 14 16 mm² 4 x 4
  • Accurately Senses Die Temperature of 4 Remote ICs or Diode Junctions and Local Temperature
  • Local Temperature Accuracy ±2.0°C (Maximum)
  • Remote Diode Temperature Accuracy ±1.1°C (Maximum)
  • Supply Voltage: 3 V to 3.6 V
  • Average Supply Current (1-Hz Conversion Rate) 0.57 mA (Typical)
  • Programmable Digital Filters and Analog Front-End Filter
  • 0.125°C LSB Temperature Resolution
  • 0.03125°C LSB Remote Temperature Resolution With Digital Filter Enabled
  • Signed Format: +127.875°C/–128°C Remote Range
  • Unsigned Format: 0°C/255°C Remote Range
  • Remote Diode Fault Detection, Model Selection, and Offset Correction
  • Mask and Status Register Support
  • 3 Programmable TCRIT Outputs With Programmable Shared Hysteresis and Fault-Queue
  • Programmable Conversion Rate and Shutdown Mode One-Shot Conversion Control
  • SMBus 2.0 Compatible Interface, Supports TIMEOUT
  • Three-Level Address Pin
  • Accurately Senses Die Temperature of 4 Remote ICs or Diode Junctions and Local Temperature
  • Local Temperature Accuracy ±2.0°C (Maximum)
  • Remote Diode Temperature Accuracy ±1.1°C (Maximum)
  • Supply Voltage: 3 V to 3.6 V
  • Average Supply Current (1-Hz Conversion Rate) 0.57 mA (Typical)
  • Programmable Digital Filters and Analog Front-End Filter
  • 0.125°C LSB Temperature Resolution
  • 0.03125°C LSB Remote Temperature Resolution With Digital Filter Enabled
  • Signed Format: +127.875°C/–128°C Remote Range
  • Unsigned Format: 0°C/255°C Remote Range
  • Remote Diode Fault Detection, Model Selection, and Offset Correction
  • Mask and Status Register Support
  • 3 Programmable TCRIT Outputs With Programmable Shared Hysteresis and Fault-Queue
  • Programmable Conversion Rate and Shutdown Mode One-Shot Conversion Control
  • SMBus 2.0 Compatible Interface, Supports TIMEOUT
  • Three-Level Address Pin

The LM95214 device is an 11-bit digital temperature sensor with a 2-wire System Management Bus (SMBus) interface that can very accurately monitor the temperature of four remote diodes as well as its own temperature. The four remote diodes can be external devices such as microprocessors, graphics processors that target the ideality of a 2N3904 transistor or diode-connected 2N3904s.

The LM95214 reports temperature in two different formats for +127.875°C/–128°C range and 0°C/255°C range. The LM95214 TCRIT1, TCRIT2 and TCRIT3 outputs are triggered when any unmasked channel exceeds its corresponding programmable limit and can be used to shutdown the system, to turn on the system fans or as a microcontroller interrupt function. The current status of the TCRIT1, TCRIT2, and TCRIT3 pins can be read back from the status registers. Mask registers are available for further control of the TCRIT outputs.

Two LM95214 remote temperature channels have programmable digital filters while the other two remote channels use a fault-queue to minimize unwanted TCRIT events when temperature spikes are encountered.

For optimum flexibility and accuracy, each LM95214 channel includes registers for offset correction. A three-level address pin allows connection of up to 3 LM95214s to the same SMBus master. The LM95214 includes power saving functions such as: programmable conversion rate, shutdown mode, and disabling of unused channels.

The LM95214 device is an 11-bit digital temperature sensor with a 2-wire System Management Bus (SMBus) interface that can very accurately monitor the temperature of four remote diodes as well as its own temperature. The four remote diodes can be external devices such as microprocessors, graphics processors that target the ideality of a 2N3904 transistor or diode-connected 2N3904s.

The LM95214 reports temperature in two different formats for +127.875°C/–128°C range and 0°C/255°C range. The LM95214 TCRIT1, TCRIT2 and TCRIT3 outputs are triggered when any unmasked channel exceeds its corresponding programmable limit and can be used to shutdown the system, to turn on the system fans or as a microcontroller interrupt function. The current status of the TCRIT1, TCRIT2, and TCRIT3 pins can be read back from the status registers. Mask registers are available for further control of the TCRIT outputs.

Two LM95214 remote temperature channels have programmable digital filters while the other two remote channels use a fault-queue to minimize unwanted TCRIT events when temperature spikes are encountered.

For optimum flexibility and accuracy, each LM95214 channel includes registers for offset correction. A three-level address pin allows connection of up to 3 LM95214s to the same SMBus master. The LM95214 includes power saving functions such as: programmable conversion rate, shutdown mode, and disabling of unused channels.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM95214 Quad Remote Diode and Local Temperature Sensor With SMBus Interface 数据表 (Rev. B) PDF | HTML 2017年 8月 29日

设计和开发

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支持软件

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 (...)
支持的米6体育平台手机版_好二三四和硬件

支持的米6体育平台手机版_好二三四和硬件

米6体育平台手机版_好二三四
数字温度传感器
LM63 — 1 条远程和本地通道温度传感器，带风扇控制功能 LM64 — 带风扇控制功能和 5 个 GPIO 的远程和本地温度传感器 LM71 — 具有 SPI 接口的 ±1.5°C 温度传感器 LM71-Q1 — 具有 SPI 接口的汽车级 ±1.5°C 温度传感器 LM73 — 具有 I2C/SMBus 接口的 ±1°C 温度传感器 LM75A — 具有 I2C/SMBus 接口的 2C 业界通用温度传感器 LM86 — 具有 SMBus 接口的 ±0.75°C 远程和本地温度传感器 LM89 — 具有 SMBus 接口和 2 个地址用于总线共享的 ±0.75°C 远程和本地温度传感器 LM90 — 具有 SMBus 接口的远程和本地温度传感器 LM93 — 具有 2 条远程和 1 条本地通道的温度传感器，带硬件监控器和 16 个电源电压监控器 LM95010 — 具有 SensorPath 接口的 ±2°C 温度传感器 LM95071 — 具有 SPI 接口的 ±1°C 温度传感器 LM95172-Q1 — 具有 SPI 接口且支持 200°C 温度的汽车级 ±1°C 温度传感器 LM95214 — 具有 SMBus 接口的 ±2°C 四路远程和本地温度传感器 LM95221 — 带 β 补偿、采用 SMBus 和 I2C 接口的 ±3°C 双通道远程和本地温度传感器 LM95231 — 采用 TruTherm 技术且具有 SMBus 接口的双路远程和本地温度传感器 LM95233 — 采用 TruTherm 技术且具有 SMBus 接口的 ±2°C 双路远程和本地温度传感器 LM95234 — 采用 TruTherm 技术且具有 SMBus 接口的 ±2°C 四路远程和本地温度传感器 LM95235 — 具有 SMBus 接口、采用 β 补偿技术、适用于 65/90nm 二极管的 ±0.75°C 远程和本地温度传感器 LM95235-Q1 — 采用 TruTherm 技术且具有 SMBus 接口的汽车级 ±2°C 远程和本地温度传感器 LM95241 — 带 β 补偿、采用 SMBus 和 I2C 接口的 ±1.25°C 双通道远程和本地温度传感器 LM95245 — 具有 SMBus 接口、采用 β 补偿技术、适用于 45nm 二极管的 ±0.75°C 远程和本地温度传感器 LM96000 — 硬件监控器，带风扇控制功能和 6 个电源电压监控器 LM96080 — 1 条本地通道温度传感器，带风扇转速控制功能和电源电压监控器 LM96163 — 具有 1 条远程和本地通道的温度传感器，带 β 补偿和风扇控制功能 LM99 — 采用 TruTherm 技术且具有 SMBus 接口的远程和本地温度传感器
精密 ADC
ADC128D818 — 具有温度传感器、内部/外部电压基准和 I2C 接口的 12 位、82SPS、8 通道 Δ-Σ ADC
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仿真模型

LM95214 IBIS Model

SNIM011.ZIP (20 KB) - IBIS Model
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封装 引脚 CAD 符号、封装和 3D 模型
WSON (NHL) 14 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

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