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參數(shù)資料
| 型號(hào)： | LM75ADP |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 工業(yè)控制 |
| 英文描述： | Digital temperature sensor and thermal watchdog |
| 封裝： | LM75AD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 17, 2005,;LM75AD<SOT96-1 (SO8)|<<http://www.nxp.com/packages/SOT96-1.html<1<week 17, 2005,;LM |
| 文件頁(yè)數(shù)： | 1/24頁(yè) |
| 文件大小： | 137K |
| 代理商： | LM75ADP |
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1.
General description
The LM75A is a temperature-to-digital converter using an on-chip band gap temperature
sensor and Sigma-delta A-to-D conversion technique. The device is also a thermal
detector providing an overtemperature detection output. The LM75A contains a number of
data registers: Configuration register (Conf) to store the device settings such as device
operation mode, OS operation mode, OS polarity and OS fault queue as described in
Section 7 “Functional description”
; temperature register (Temp) to store the digital temp
reading, and set-point registers (Tos and Thyst) to store programmable overtemperature
shutdown and hysteresis limits, that can be communicated by a controller via the 2-wire
serial I
2
C-bus interface. The device also includes an open-drain output (OS) which
becomes active when the temperature exceeds the programmed limits. There are three
selectable logic address pins so that eight devices can be connected on the same bus
without address conflict.
The LM75A can be configured for different operation conditions. It can be set in normal
mode to periodically monitor the ambient temperature, or in shutdown mode to minimize
power consumption. The OS output operates in either of two selectable modes:
OS comparator mode or OS interrupt mode. Its active state can be selected as either
HIGH or LOW. The fault queue that defines the number of consecutive faults in order to
activate the OS output is programmable as well as the set-point limits.
The temperature register always stores an 11-bit 2's complement data giving a
temperature resolution of 0.125
°
C. This high temperature resolution is particularly useful
in applications of measuring precisely the thermal drift or runaway.
The device is powered-up in normal operation mode with the OS in comparator mode,
temperature threshold of 80
°
C and hysteresis of 75
°
C, so that it can be used as a
stand-alone thermostat with those pre-defined temperature set points.
2.
Features
I
Pin-for-pin replacement for industry standard LM75 and offers improved temperature
resolution of 0.125
°
C and specification of a single part over power supply range from
2.8 V to 5.5 V
I
Small 8-pin package types: SO8 and TSSOP8
I
I
2
C-bus interface with up to 8 devices on the same bus
I
Power supply range from 2.8 V to 5.5 V
I
Temperatures range from
55
°
C to +125
°
C
I
11-bit ADC that offers a temperature resolution of 0.125
°
C
LM75A
Digital temperature sensor and thermal watchdog
Rev. 04 — 10 July 2007
Product data sheet
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PDF描述 |
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| LM75AD | Digital temperature sensor and thermal watchdog |
| LM75ADP | Digital temperature sensor and thermal watchdog |
| LM75AD | Digital temperature sensor and thermal watchdog |
| LM75BD | Digital temperature sensor and thermal watchdog |
| LM75BDP | Digital temperature sensor and thermal watchdog |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM75ADP,118 | 功能描述:板上安裝溫度傳感器 TEMP SENSOR DIGITAL 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 |
| LM75ADP,118 | 制造商:NXP Semiconductors 功能描述:IC, TEMP SENSOR, 0.125C, 3C, TSSOP-8 |
| LM75ADP,118-CUT TAPE | 制造商:NXP 功能描述:LM75A Series SMD 5.5 mA Digital Temperature Sensor w/ Thermal Watchdog TSSOP-8 |
| LM75ADP/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 |
| LM75ADP118 | 制造商:NXP Semiconductors 功能描述:IC TEMP SENSOR 0.125 3 TSSOP-8 制造商:NXP Semiconductors 功能描述:IC TEMP SENSOR 0.125DEG 3DE |
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