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DS75LX
Digital Thermometer and Thermostat
with Extended Addressing
 
 
 
 
 
 
www.maxim-ic.com
 
GENERAL DESCRIPTION
This low-voltage (1.7V to 3.7V) digital thermometer
and thermostat provides 9, 10, 11, or 12-bit digital
temperature readings over a -55癈 to +125癈 range
with ?癈 accuracy over a -25癈 to +100癈 range. At
power-up, the DS75LX defaults to 9-bit resolution for
software compatibility with the LM75. Communication
with the DS75LX is achieved through a simple 2-wire
serial interface. Three tri-state address pins allow up
to 27 DS75LX devices to operate on the same 2-wire
bus, which greatly simplifies distributed temperature-
sensing applications.
The DS75LX thermostat has a dedicated open-drain
output (O.S.) and programmable fault tolerance,
which allow the user to define the number of
consecutive error conditions that must occur before
O.S.   is   activated.   There   are   two   thermostatic
operating modes that control thermostat operation
based on user-defined trip-points (T
OS
and T
HYST
).
 
APPLICATIONS
Any Thermally Sensitive System
Cellular Base Stations
Telecom Switches and Routers
Servers
 
PIN CONFIGURATIONS
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
FEATURES
    1.7V to 3.7V Operating Range  
    Tri-State Address Pins Allow Up to 27 Unique 
Bus Addresses
    Temperature Measurements Require No 
External Components
    Measures Temperatures from -55?/SPAN>C to +125?/SPAN>C  
(-67癋 to +257癋)
    ?SPAN class="pst DS75LXS-_2291059_9">2?/SPAN>C Accuracy from -25?/SPAN>C to +100?/SPAN>C 
    Thermometer Resolution Is User-
Configurable from 9 (Default) to 12 Bits (0.5癈
to 0.0625癈 Resolution)
    9-Bit Conversion Time is 25ms (max) 
    Thermostatic Settings are User-Definable 
    Data is Read/Written Through 2-Wire Serial 
Interface (SDA and SCL Pins)
    Data Lines Filtered Internally for Noise 
Immunity (50ns Deglitch)
    Bus Timeout Feature Prevents Lockup 
Problems on 2-Wire Interface
    Multidrop Capability Simplifies Distributed 
Temperature-Sensing Applications
    Pin/Software Compatible with the LM75 
    Available in 8-Pin ?SPAN class="pst DS75LXS-_2291059_9">SOP (?SPAN class="pst DS75LXS-_2291059_9">MAX
?/DIV>
) and SO
Packages
 
 
ORDERING INFORMATION
PART
TEMP RANGE
PIN
PACKAGE
DS75LXS+
-55癈 to +125癈
8 SO
(150 mils)
DS75LXS+T&R
-55癈 to +125癈
8 SO
(150 mils),
2500 Piece
DS75LXU+
-55癈 to +125癈
8 礢OP
(礛AX)
DS75LXU+T&R
-55癈 to +125癈
8 礢OP
(礛AX),
3000 Piece
+ Denotes lead-free package.
T&R denotes tape-and-reel.
 
Note: A + symbol will also be marked on the package near the 
pin 1 indicator.
 
礛AX is a registered trademark of Maxim Integrated Products, Inc.
 
SO (150 mils)
L
V
DD
A
0
A
1
A
2
GND
O.S.
D  
6
7
3
2
SOP/ MAX
L
V
DD
A
0
A
1
A
2
GND
O.S.
D  
6
7
3
2
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相关代理商/技术参数
DS75LXS+T&R 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8SOIC N - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8-SOIC 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors w/Extended Addressing
DS75LXS+T&R 功能描述:板上安装温度传感器 w/Extended Addressing 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
DS75LXSR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat with Extended Addressing
DS75LXST 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat with Extended Addressing
DS75LXU 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Digital Thermometer and Thermostat with Extended Addressing
DS75LXU+ 功能描述:板上安装温度传感器 w/Extended Addressing 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
DS75LXU+T&R 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8PIN UMAX - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8-UMAX
DS75LXU+T&R 功能描述:板上安装温度传感器 w/Extended Addressing 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