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| 型号： | LM95241CIMM/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 5/29页 |
| 文件大小： | 0K |
| 描述： | IC TEMP SENS DUAL REM DIO 8-MSOP |
| 标准包装： | 1 |
| 系列： | PowerWise®, TruTherm® |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | 0°C ~ 85°C，外部传感器 |
| 精确度： | ±3°C 本地（最大），±2.5°C 远程（最大） |
| 拓扑： | ADC（三角积分型），寄存器库 |
| 输出类型： | 2 线串行，I²C?/SMBUS? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 1314 (CN2011-ZH PDF) |
| 配用： | LM95241EB-ND - BOARD EVALUATION LM95241 |
| 其它名称： | LM95241CIMM/NOPBDKR LM95241CIMMDKR LM95241CIMMDKR-ND |
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SNIS143E – AUGUST 2006 – REVISED MARCH 2013
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V DD =+3.0Vdc to 3.6Vdc. Boldface limits apply for T A = T J =
T MIN ≤ T A ≤ T MAX ; all other limits T A = T J =+25°C, unless otherwise noted. T J is the junction temperature of the LM95241. T D is the
junction temperature of the remote thermal diod e.
Parameter
Conditions
Typical (1)
Limits (2)
Units
(Limit)
Accuracy Using Local Diode
T A = 0°C to +85°C (3)
±1
±3
°C (max)
Accuracy Using Remote Diode, see
(4)
for Thermal
T A = +20°C to
T D = +45°C to
±1.25
°C (max)
Diode Processor Type.
+40°C
+85°C
T A = +0°C to +85°C
T D = +25°C to
±2.5
°C (max)
+140°C
Remote Diode Measurement Resolution with
filtering turned off
Remote Diode Measurement Resolution with digital
filtering turned on
Local Diode Measurement Resolution
10+sign/11
0.125
12+sign/13
0.03125
9+sign
0.25
Bits
°C
Bits
°C
Bits
°C
Conversion Time of All Temperatures at the Fastest
Setting (5)
TruTherm Mode Disabled for All
Remote Channels
TruTherm Mode Enabled for All
76.5
79.1
86.1
88.9
ms (max)
ms (max)
Remote Channels
Average Quiescent Current (6)
SMBus Inactive, 1 Hz conversion
471
640
μA (max)
rate
D ? Source Voltage
Diode Source Current Ratio
Shutdown
356
0.4
16
μA
V
Diode Source Current
(V D+ ? V D ? )=+ 0.65V; high-level
172
230
μA (max)
100
μA (min)
Low-level
11
μA
Power-On Reset Threshold
Measure on V DD input, falling edge
2.7
1.6
V (max)
V (min)
(1)
(2)
(3)
(4)
(5)
(6)
Typical figures are at T A = 25°C and represent most likely parametric norms at the time of product characterization. The typical
specifications are not ensured.
Limits are specified to Texas Instruments' AOQL (Average Outgoing Quality Level).
Local temperature accuracy does not include the effects of self-heating. The rise in temperature due to self-heating is the product of the
internal power dissipation of the LM95241 and the thermal resistance. See Note 2 of the Operating Ratings table for the thermal
resistance to be used in the self-heating calculation.
The accuracy of the LM95241CIMM is ensured when using a typical thermal diode of an Intel processor on a 65 nm process or an
MMBT3904 diode-connected transistor, as selected in the Remote Diode Model Select register. See typical performance curve for
performance with Intel processor on a 90nm process.
This specification is provided only to indicate how often temperature data is updated. The LM95241 can be read at any time without
regard to conversion state (and will yield last conversion result).
Quiescent current will not increase substantially when the SMBus is active.
Copyright ? 2006–2013, Texas Instruments Incorporated
Product Folder Links: LM95241
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM95241CIMMX | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| LM95241CIMMX/NOPB | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| LM95241CIMMX-1 | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| LM95241CIMMX-1/NOPB | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| LM95241CIMMX-2 | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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