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| 型号： | LM95241EB |
| 厂商： | National Semiconductor |
| 文件页数： | 10/29页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION LM95241 |
| 标准包装： | 1 |
| 系列： | PowerWise®, TruTherm® |
| 传感器类型： | 温度 |
| 传感范围： | 0°C ~ 140°C |
| 接口： | SMBus（2 线/I²C） |
| 灵敏度： | ±1°C |
| 电源电压： | 3 V ~ 3.6 V |
| 嵌入式： | 否 |
| 已供物品： | 板 |
| 已用 IC / 零件： | LM95241 |
| 相关产品： | LM95241CIMMX-ND - IC TEMP SENSOR DUAL REMOTE 8MSOP LM95241CIMMX-2-ND - IC TEMP SENSOR DUAL REMOTE 8MSOP LM95241CIMMX-1-ND - IC TEMP SENSOR DUAL REMOTE 8MSOP LM95241CIMM-2DKR-ND - IC TEMP SENS DUAL REM DIO 8-MSOP LM95241CIMM/NOPBDKR-ND - IC TEMP SENS DUAL REM DIO 8-MSOP LM95241CIMM-2CT-ND - IC TEMP SENS DUAL REM DIO 8-MSOP LM95241CIMM/NOPBCT-ND - IC TEMP SENS DUAL REM DIO 8-MSOP LM95241CIMM-2TR-ND - IC TEMP SENS DUAL REM DIO 8-MSOP LM95241CIMM/NOPBTR-ND - IC TEMP SENS DUAL REM DIO 8-MSOP LM95241CIMM-1DKR-ND - IC TEMP SENSOR REMOTE DL 8-MSOP 更多... |
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SNIS143E – AUGUST 2006 – REVISED MARCH 2013
CONVERSION SEQUENCE
In the power up default state the LM95241 typically takes 77.8 ms to convert the Local Temperature, Remote
Temperature 1 and 2, and to update all of its registers. Only during the conversion process is the busy bit (D7) in
the Status register (02h) high. These conversions are addressed in a round robin sequence. The conversion rate
may be modified by the Conversion Rate bits found in the Configuration Register (03h). When the conversion
rate is modified a delay is inserted between conversions, the actual maximum conversion time remains at 88.9
ms. Different conversion rates will cause the LM95241 to draw different amounts of supply current as shown in
Figure 7. Conversion Rate Effect on Power Supply Current
POWER-ON-DEFAULT STATES
LM95241 always powers up to these known default states. The LM95241 remains in these states until after the
first conversion.
1. Command Register set to 00h
2. Local Temperature set to 0°C until the end of the first conversion
3. Remote Diode Temperature set to 0°C until the end of the first conversion
4. Remote Diode digital filters are on.
5. Remote Diode 1 model is set to Intel processor on 65nm or 90nm process with TruTherm Mode enabled.
Remote Diode 2 model is set to 2N3904/MMBT3904 with TruTherm mode disabled.
6. Status Register depends on state of thermal diode inputs
7. Configuration register set to 00h; continuous conversion
SMBus INTERFACE
The LM95241 operates as a slave on the SMBus, so the SMBCLK line is an input and the SMBDAT line is
bidirectional. The LM95241 never drives the SMBCLK line and it does not support clock stretching. According to
SMBus specifications, the LM95241 has a 7-bit slave address. All bits A6 through A0 are internally programmed
and cannot be changed by software or hardware. The SMBus slave address is dependent on the LM95241 part
number ordered:
Version
LM95241CIMM
LM95241CIMM-1
LM95241CIMM-2
A6
0
0
0
A5
1
0
1
A4
0
1
0
A3
1
1
1
A2
0
0
0
A1
1
0
1
A0
1
1
0
10
Product Folder Links: LM95241
Copyright ? 2006–2013, Texas Instruments Incorporated
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| LM95245CIM | 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 |
| LM95245CIM/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 |
| LM95245CIMM | 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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