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DS1621V+ PDF预览

DS1621V+

更新时间: 2024-02-02 15:04:26
品牌 Logo 应用领域
美信 - MAXIM 监控
页数 文件大小 规格书
16页 332K
描述
Digital Thermometer and Thermostat

DS1621V+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOP8,.3
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:5.17其他特性:COMPLIANCE TO MIL-208
主体宽度:3.91 mm主体高度:1.395 mm
主体长度或直径:4.88 mm外壳:PLASTIC
JESD-609代码:e3安装特点:SURFACE MOUNT
位数:9端子数量:8
最大工作电流:1.25 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
封装主体材料:PLASTIC/EPOXY封装等效代码:SOP8,.3
封装形状/形式:RECTANGULAR电源:3/5 V
传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL子类别:Other Sensors/Transducers
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:Matte Tin (Sn)
端接类型:SOLDERBase Number Matches:1

DS1621V+ 数据手册

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DS1621  
Digital Thermometer and Thermostat  
FEATURES  
PIN ASSIGNMENT  
CꢀTemperature measurements require no  
external components  
8
7
6
5
1
SDA  
VDD  
A0  
2
CꢀMeasures temperatures from -55°C to +125°C  
in 0.5°C increments. Fahrenheit equivalent is  
-67°F to 257°F in 0.9°F increments  
CꢀTemperature is read as a 9-bit value (2-byte  
transfer)  
SCL  
3
4
TOUT  
GND  
A
1  
A2  
DS1621S 8-PIN SO (150mil)  
DS1621V 8-PIN SO (208mil)  
CꢀWide power supply range (2.7V to 5.5V)  
CꢀConverts temperature to digital word in less  
than 1 second  
8
CꢀThermostatic settings are user definable and  
nonvolatile  
1
SDA  
SCL  
VDD  
7
6
5
2
3
4
A0  
A
1  
A2  
CꢀData is read from/written via a 2-wire serial  
interface (open drain I/O lines)  
CꢀApplications include thermostatic controls,  
industrial systems, consumer products,  
thermometers, or any thermal sensitive  
system  
T
OUT  
GND  
DS1621 8-PIN DIP (300mil)  
Cꢀ8-pin DIP or SO package (150mil and  
208mil)  
PIN DESCRIPTION  
SDA  
SCL  
GND  
TOUT  
A0  
- 2-Wire Serial Data Input/Output  
- 2-Wire Serial Clock  
- Ground  
- Thermostat Output Signal  
- Chip Address Input  
- Chip Address Input  
- Chip Address Input  
- Power Supply Voltage  
A1  
A2  
VDD  
DESCRIPTION  
The DS1621 Digital Thermometer and Thermostat provides 9-bit temperature readings, which indicate  
the temperature of the device. The thermal alarm output, TOUT is active when the temperature of the  
,
device exceeds a user-defined temperature TH. The output remains active until the temperature drops  
below user defined temperature TL, allowing for any hysteresis necessary.  
User-defined temperature settings are stored in nonvolatile memory so parts may be programmed prior to  
insertion in a system. Temperature settings and temperature readings are all communicated to/from the  
DS1621 over a simple 2-wire serial interface.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
090905  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  

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