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| 型号： | LM95241EB |
| 厂商： | National Semiconductor |
| 文件页数： | 13/29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
A Write to the LM95241 will always include the address byte and the command byte. A write to any register
requires one data byte.
Reading the LM95241 can take place either of two ways:
1. If the location latched in the Command Register is correct (most of the time it is expected that the Command
Register will point to one of the Read Temperature Registers because that will be the data most frequently
read from the LM95241), then the read can simply consist of an address byte, followed by retrieving the data
byte.
2. If the Command Register needs to be set, then an address byte, command byte, repeat start, and another
address byte will accomplish a read.
The data byte has the most significant bit first. At the end of a read, the LM95241 can accept either acknowledge
or No Acknowledge from the Master (No Acknowledge is typically used as a signal for the slave that the Master
has read its last byte). When retrieving all 11 bits from a previous remote diode temperature measurement, the
master must insure that all 11 bits are from the same temperature conversion. This may be achieved by reading
the MSB register first. The LSB will be locked after the MSB is read. The LSB will be unlocked after being read. If
the user reads MSBs consecutively, each time the MSB is read, the LSB associated with that temperature will be
locked in and override the previous LSB value locked-in.
SMBus Timing Diagrams for Access of Data
1
9
1
9
SMBCLK
SMBDAT
A6
A5
A4
A3
A2
A1
A0
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Start by
Master
Frame 1
Serial Bus Address Byte
Ack
by
LM95241
Frame 2
Command Byte
Ack by
LM95241
Stop
by
Master
Figure 8. Serial Bus Write to the Internal Command Register
1
9
1
9
SMBCLK
SMBDAT
A6
A5
A4
A3
A2
A1
A0
R/W
D7
D6
D5
D4
D3
D2
D1
D0
Start by
Master
Frame 1
Serial Bus Address Byte
Ack
by
LM95241
Frame 2
Command Byte
Ack
by
LM95241
SMBCLK
(Continued)
1
9
SMBDAT
(Continued)
D7
D6
D5
D4
D3
D2
D1
D0
Ack by
LM95241
Stop
by
Master
Frame 3
Data Byte
Figure 9. Serial Bus Write to the internal Command Register followed by a Data Byte
Copyright ? 2006–2013, Texas Instruments Incorporated
Product Folder Links: LM95241
13
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| LM95245 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Precision Remote Diode Digital Temperature Sensor with TruTherm⑩ BJT Beta Compensation Technology for 45nm Process |
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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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