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參數(shù)資料
| 型號(hào)： | LM95221 |
| 廠商： | National Semiconductor Corporation |
| 元件分類(lèi)： | 溫度/濕度傳感器 |
| 英文描述： | Dual Remote Diode Digital Temperature Sensor with SMBus Interface |
| 中文描述： | 雙遠(yuǎn)程二極管數(shù)字溫度傳感器，帶有SMBus接口 |
| 文件頁(yè)數(shù)： | 12/16頁(yè) |
| 文件大小： | 282K |
| 代理商： | LM95221 |
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2.0 LM95221 Registers
(Continued)
2.1 STATUS REGISTER
(Read Only Address 02h):
D7
Busy
D6
D5
D4
D3
D2
D1
D0
Reserved
0
RD2M
RD1M
0
0
0
0
Bits
7
6-2
1
Name
Busy
Reserved
Remote diode 2 missing (RD2M)
Description
When set to "1" the part is converting.
Reports "0" when read.
Remote Diode 2 is missing. (i.e. D2+ shorted to V
DD
, Ground or D2-,
or D2+ is floating). Temperature Reading is FFE0h which converts to
255.875 C if unsigned format is selected or 8000h which converts to
–128.000 C if signed format is selected.
Remote Diode 1 is missing. (i.e. D1+ shorted to V
DD
, Ground or D1-,
or D1+ is floating). Temperature Reading is FFE0h which converts to
255.875 C if unsigned format is selected or 8000h which converts to
–128.000 C if signed format is selected.
0
Remote diode 1 missing (RD1M)
2.2 CONFIGURATION REGISTER
(Read Address 03h /Write Address 03h):
D7
0
D6
D5
CR1
D4
CR0
D3
0
D2
D1
D0
0
RUN/STOP
R2DF
R1DF
Bits
7
6
Name
Reserved
RUN/STOP
Description
Reports "0" when read.
Logic 1 disables the conversion and puts the part in standby mode.
Conversion can be activated by writing to one-shot register.
00: continuous mode 66ms, 15 Hz (typ)
01: converts every 200ms, 5 Hz (typ)
10: converts every 1 second, 1 Hz (typ)
11: converts every 3 seconds,
1
3
Hz (typ)
Note: typically a remote diode conversion takes 26 ms and local
conversion takes 14 ms.
Reports "0" when read.
Logic 0: unsigned Temperature format (0 C to +255.875 C)
Logic 1: signed Temperature format (-128 C to +127.875 C)
Logic 0: unsigned Temperature format (0 C to +255.875 C)
Logic 1: signed Temperature format (-128 C to +127.875 C)
Reports "0" when read.
5-4
Conversion Rate (CR1:CR0)
3
2
Reserved
Remote 2 Data Format (R2DF)
1
Remote 1 Data Format (R1DF)
0
Reserved
Power up default is with all bits “0” (zero)
L
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| LM95221CIMM | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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| LM95221CIMMX | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM95221CIMMX/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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