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參數(shù)資料
| 型號： | LM75BIM-3 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Digital Temperature Sensor and Thermal WATCHDOG? with Two-Wire Interface |
| 中文描述： | 數(shù)字溫度傳感器和熱看門狗？與兩線接口 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 356K |
| 代理商： | LM75BIM-3 |
LM75
Digital Temperature Sensor and Thermal Watchdog with
Two-Wire Interface
General Description
The LM75 is a temperature sensor, Delta-Sigma analog-to-
digital converter, and digital over-temperature detector with
I
2
C
interface. The host can query the LM75 at any time to
read temperature. The open-drain Overtemperature Shut-
down (O.S.) output becomes active when the temperature
exceeds a programmable limit. This pin can operate in either
“Comparator” or “Interrupt” mode.
The host can program both the temperature alarm threshold
(T
) and the temperature at which the alarm condition goes
away (T
). In addition, the host can read back the con-
tents of the LM75’s T
and T
registers. Three pins (A0,
A1, A2) are available for address selection. The sensor
powers up in Comparator mode with default thresholds of
80C T
OS
and 75C T
HYST
.
The LM75’s 3.0V to 5.5V supply voltage range, low supply
current and I
2
C interface make it ideal for a wide range of
applications. These include thermal management and pro-
tection applications in personal computers, electronic test
equipment, and office electronics.
Features
n
SOP-8 and Mini SOP-8 (MSOP) packages save space
n
I
2
C Bus interface
n
Separate open-drain output pin operates as interrupt or
comparator/thermostat output
n
Register readback capability
n
Power up defaults permit stand-alone operation as
thermostat
n
Shutdown mode to minimize power consumption
n
Up to 8 LM75s can be connected to a single bus
n
UL Recognized Component
Key Specifications
j
Supply Voltage
j
Supply Current
3.0V to 5.5V
250 μA (typ)
1 mA (max)
4 μA (typ)
±
2C(max)
±
3C(max)
operating
shutdown
25C to 100C
55C to 125C
j
Temperature Accuracy
Applications
n
System Thermal Management
n
Personal Computers
n
Office Electronics
n
Electronic Test Equipment
Simplified Block Diagram
01265801
I2C
is a registered trademark of Philips Corporation.
February 2004
L
2004 National Semiconductor Corporation
DS012658
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM75BIM-3/NOPB | 功能描述:板上安裝溫度傳感器 Digital Temp Sensor RoHS:否 制造商:Omron Electronics 輸出類型: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 |
| LM75BIM-3+ | 功能描述:板上安裝溫度傳感器 2-Wire Digital Temp Snsr & Thrml Wtchdog RoHS:否 制造商:Omron Electronics 輸出類型: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 |
| LM75BIM-3+T | 功能描述:板上安裝溫度傳感器 2-Wire Digital Temp Snsr & Thrml Wtchdog RoHS:否 制造商:Omron Electronics 輸出類型: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 |
| LM75BIM-5 | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型: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 |
| LM75BIM-5/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型: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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