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DS1775R/TRL PDF预览

DS1775R/TRL

更新时间: 2024-01-31 13:10:45
品牌 Logo 应用领域
达拉斯 - DALLAS 传感器换能器温度传感器输出元件监控
页数 文件大小 规格书
13页 233K
描述
SOT23-5 Digital Thermometer and Thermostat

DS1775R/TRL 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:ActiveReach Compliance Code:unknown
风险等级:5.72最大精度(摄氏度):2 Cel
主体宽度:1.625 mm主体高度:1.25 mm
主体长度或直径:2.9 mm外壳:PLASTIC
JESD-609代码:e0安装特点:SURFACE MOUNT
位数:12最大工作电流:1 mA
最高工作温度:125 °C最低工作温度:-55 °C
输出接口类型:2-WIRE INTERFACE封装形状/形式:RECTANGULAR
传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL最大供电电压:5.5 V
最小供电电压:2.7 V表面贴装:YES
端子面层:TIN LEAD端接类型:SOLDER
Base Number Matches:1

DS1775R/TRL 数据手册

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PRODUCT PREVIEW  
PRELIMINARY  
DS1775  
SOT23-5 Digital Thermometer  
and Thermostat  
www.dalsemi.com  
FEATURES  
§ Temperature measurements require no  
external components  
PIN ASSIGNMENT  
§ Measures temperatures from –55°C to  
+125°C. Fahrenheit equivalent is –67°F to  
257°F  
§ Thermometer accuracy is ±2.0°C  
§ Thermometer resolution is configurable from  
9 to 12 bits (0.5°C to 0.0625°C resolution)  
§ Thermostat settings are user definable  
§ Data is read from/written to via a 2–wire  
serial interface  
§ Wide power supply range (2.7V – 5.5V)  
§ Software compatible with DS75 2–Wire  
Thermal Watchdog in thermometer mode  
§ Space–conscious SOT23–5 package with  
low thermal time constant  
SCL  
5
1
2
SDA  
GND  
O.S.  
3
4
VDD  
DS1775R  
SOT23-5  
PIN DESCRIPTION  
GND  
SCL  
SDA  
VDD  
Ground  
2–Wire Serial Clock  
2–Wire Serial Data Input/Output  
Power Supply Voltage  
Thermostat Output Signal  
O.S.  
ORDERING INFORMATION  
Part Number  
Address  
000  
Part Number  
DS1775R/TR4  
DS1775R/TR5  
DS1775R/TR6  
DS1775R/TR7  
Address  
100  
101  
110  
111  
DS1775R/TRL  
DS1775R/TR1  
DS1775R/TR2  
DS1775R/TR3  
001  
010  
011  
* "R" denotes SOT 23-5 Package  
DESCRIPTION  
The DS1775 SOT23-5 Digital Thermometer and Thermostat provides temperature readings which  
indicate the temperature of the device. Thermostat settings and temperature readings are all  
communicated to/from the DS1775 over a simple 2–wire serial interface. No additional components are  
required; the device is truly a “temperature–to–digital” converter.  
For applications that require greater temperature resolution, the user can adjust the readout resolution  
from 9 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be  
detected quickly.  
The open–drain thermal alarm output, O.S., becomes active when the temperature of the device exceeds a  
user–defined temperature TOS. The number of consecutive faults required to set O.S. active is  
configurable by the user. The device can also be configured in the interrupt or comparator mode, to  
customize the method which clears the fault condition.  
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102299  

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