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| 型号： | DS1720S+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/14页 |
| 文件大小： | 0K |
| 描述： | IC THERMOMETER/STAT DIG 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 88 |
| 感应温度： | -55°C ~ 125°C |
| 输出类型： | 数字 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 精确度： | ±2.5°C |
| 封装/外壳： | 8-SOIC（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
DS1720
THERMOSTAT OUTPUT OPERATION Figure 3
OPERATION AND CONTROL
The DS1720 must have temperature settings resident in the T H and T L registers for thermostatic operation.
A configuration/status register is also used to determine the method of operation that the DS1720 will use
in a particular application, as well as indicating the status of the temperature conversion operation. The
configuration register is defined as follows:
CONFIGURATION/STATUS REGISTER
DONE
THF
TLF
NVB
1
0
CPU
1SHOT
where
DONE = Conversion Done bit. 1=conversion complete, 0=conversion in progress.
T HF = Temperature High Flag. This bit will be set to 1 when the temperature is greater than or equal to
the value of T H . It will remain 1 until reset by writing 0 into this location or by removing power from the
device. This feature provides a method of determining if the DS1720 has ever been subjected to
temperatures above T H while power has been applied.
T LF = Temperature Low Flag. This bit will be set to 1 when the temperature is less than or equal to the
value of T L . It will remain 1 until reset by writing 0 into this location or by removing power from the
device. This feature provides a method of determining if the DS1720 has ever been subjected to
temperatures below T L while power has been applied.
NVB = Nonvolatile Memory Busy Flag. 1=write to an E 2 memory cell in progress. 0=nonvolatile
memory is not busy. A copy to E 2 may take up to 10 ms.
CPU = CPU use bit. If CPU=0, the CLK/ CONV pin acts as a conversion start control, when RST is low.
If CPU is 1, the DS1720 will be used with a CPU communicating to it over the 3–wire port, and the
operation of the CLK/ CONV pin is as a normal clock in concert with DQ and RST . This bit is stored in
nonvolatile E 2 memory, capable of at least 50,000 writes. The DS1720 is shipped with CPU=0.
1SHOT = One–Shot Mode. If 1SHOT is 1, the DS1720 will perform one temperature conversion upon
reception of the Start Convert T protocol. If 1SHOT is 0, the DS1720 will continuously perform
temperature conversion. This bit is stored in nonvolatile E 2 memory, capable of at least 50,000 writes.
The DS1720 is shipped with 1SHOT=0.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1720S/T&R | 制造商:Maxim Integrated Products 功能描述:DIGITAL THERMOMETER/THERMOSTAT T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8-SOIC |
| DS1720S/T&R | 功能描述:板上安装温度传感器 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 |
| DS1720S+ | 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat 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 |
| DS1720S+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE 8SOIC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG 8-SOIC |
| DS1720S+T&R | 功能描述:板上安装温度传感器 Digital Thermometer & Thermostat 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 |
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