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參數(shù)資料
| 型號： | LM75BD,112 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 18/37頁 |
| 文件大?。?/td> | 520K |
| 描述： | IC TEMP SENSOR DIGITAL 8-SOIC |
| 特色產(chǎn)品： | Digital Temperature Sensor / Thermal Watchdog |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 功能： | 溫度監(jiān)視系統(tǒng)（傳感器），監(jiān)視器 |
| 傳感器類型： | 內(nèi)部 |
| 感應(yīng)溫度： | -55°C ~ 125°C |
| 精確度： | ±3°C（最小值） |
| 拓?fù)洌?/td> | ADC（三角積分型），比較器，振蕩器，寄存器庫 |
| 輸出類型： | 2 線串行，I²C? |
| 輸出警報： | 無 |
| 輸出風(fēng)扇： | 是 |
| 電源電壓： | 2.8 V ~ 5.5 V |
| 工作溫度： | -55°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 管件 |
| 其它名稱： | 935285837112 LM75BD LM75BD-ND |
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LM75B
All information provided in this document is subject to legal disclaimers.
?NXP B.V. 2014. All rights reserved.
Product data sheet
Rev. 5 22 January 2014
18 of 37
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
V
OL(EVENT)
= 0.4 V
I
OL(sink)EVENT
= 3 mA
R
th(j-a)
= 56 癈/W
Self heating due to power dissipation is:
(2)
8.4 Noise effect
The LM75B device design includes the implementation of basic features for a good noise
immunity:
" The low-pass filter on both the bus pins SCL and SDA;
" The hysteresis of the threshold voltages to the bus input signals SCL and SDA, about
500 mV minimum;
" All pins have ESD protection circuitry to prevent damage during electrical surges. The
ESD protection on the address, OS, SCL and SDA pins it to ground. The latch-back
based device breakdown voltage of address/OS is typically 11 V and SCL/SDA is
typically 9.5 V at any supply voltage but will vary over process and temperature. Since
there are no protection diodes from SCL or SDA to V
CC
, the LM75B will not hold the
I
2
C lines LOW when V
CC
is not supplied and therefore allow continued I
2
C-bus
operation if the LM75B is de-powered.
However, good layout practices and extra noise filters are recommended when the device
is used in a very noisy environment:
" Use decoupling capacitors at V
CC
pin.
" Keep the digital traces away from switching power supplies.
" Apply proper terminations for the long board traces.
" Add capacitors to the SCL and SDA lines to increase the low-pass filter
characteristics.
T 56
3.6 0.4
?/DIV>
(
) 0.4 3
?/DIV>
(
) 0.4 1
?/DIV>
(
)
+
+
[
]
?/DIV>
56 ?/SPAN>C W 3.04 mW 0.17 ?/SPAN>C
=
?/DIV>
?/DIV>
=
=
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM75BDP | 制造商:NXP Semiconductors 功能描述:IC TEMP SENSOR DIGITAL 8-TSSOP 制造商:NXP Semiconductors 功能描述:IC, TEMP SENSOR, DIGITAL, 8-TSSOP |
| LM75BDP,118 | 功能描述:板上安裝溫度傳感器 I2C LOCAL +/- 20C TS 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 |
| LM75BDP,118-CUT TAPE | 制造商:NXP 功能描述:LM75 Series Digital Temperature Sensor/Thermal Watchdog Surface Mount- TSSOP - 8 |
| LM75BDP/DG,118 | 功能描述:板上安裝溫度傳感器 DIGITAL TEMP SENSOR AND THERMAL WATCHDOG 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 |
| LM75BDP118 | 制造商:NXP Semiconductors 功能描述:DIGITAL TEMP SENSOR IC 11BIT +/-3C TS |
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