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参数资料
| 型号： | DS1720S/T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/14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： | 2,000 |
| 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： | 带卷 (TR) |
DS1720
ECON-Digital Thermometer and
Thermostat
www.maxim-ic.com
FEATURES
Requires no external components
PIN ASSIGNMENT
Supply voltage range covers from 2.7V to
5.5V
Measures temperatures from –5 5° C to
+12 5° C in 0. 5° C increments. Fahrenheit
equivalent is –6 7° F to +25 7° F in 0. 9° F
DQ
CLK/CONV
RST
GND
1
2
3
4
8
7
6
5
V DD
T HIGH
T LOW
T COM
increments
Temperature is read as a 9–bit value
Converts temperature to digital word in 1
second (max)
Thermostatic settings are user–definable and
non–volatile
Data is read from/written via a 3–wire serial
interface (CLK, DQ, RST )
Applications include thermostatic controls,
industrial systems, consumer products,
thermometers, or any thermally sensitive
system
8–pin SOIC (208 mil) package
DS1720S 8-Pin SOIC (208-mil)
PIN DESCRIPTION
DQ – 3–Wire Input/Output
CLK/ CONV – 3–Wire Clock Input and
Stand–alone
Convert Input
RST – 3–Wire Reset Input
GND – Ground
T HIGH – High Temperature Trigger
T LOW
T COM
V DD
– Low Temperature Trigger
– High/Low Combination Trigger
– Power Supply Voltage (3V-5V)
DESCRIPTION
The DS1720 Digital Thermometer and Thermostat provides 9–bit temperature readings which indicate
the temperature of the device. With three thermal alarm out-puts, the DS1720 can also act as a thermostat.
T HIGH is driven high if the DS1720’s temperature is greater than or equal to a user–defined temperature
T H . T LOW is driven high if the DS1720’s temperature is less than or equal to a user–defined temperature
T L . T COM is driven high when the temperature exceeds T H and stays high until the temperature falls below
that of TL.
User–defined temperature settings are stored in non–volatile memory, so parts can be programmed prior
to insertion in a system, as well as used in stand–alone applications without a CPU. Temperature settings
and temperature readings are all communicated to/from the DS1720 over a simple 3–wire interface.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1721 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:2-Wire Digital Thermometer and Thermostat |
| DS1721S | 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 |
| DS1721S/T&R | 制造商:Maxim Integrated Products 功能描述:2-WIRE DIGITAL THERMOMETER SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG HP 8SOIC |
| DS1721S/T&R+W | 制造商:Maxim Integrated Products 功能描述:DIGITAL THERMOMETER AND THERMOSTAT - Tape and Reel |
| DS1721S/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 |
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