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参数资料
| 型号： | DS1720S+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), RECTANGULAR, SURFACE MOUNT |
| 封装： | 0.208 INCH, LEAD FREE, SOIC-8 |
| 文件页数： | 1/14页 |
| 文件大小： | 173K |
| 代理商： | DS1720S+ |
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020106
FEATURES
Requires no external components
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 +257°F in 0.9°F
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
PIN ASSIGNMENT
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
THIGH
– High Temperature Trigger
TLOW
– Low Temperature Trigger
TCOM
– High/Low Combination Trigger
VDD
– 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.
THIGH is driven high if the DS1720’s temperature is greater than or equal to a user–defined temperature
TH. TLOW is driven high if the DS1720’s temperature is less than or equal to a user–defined temperature
TL. TCOM is driven high when the temperature exceeds TH 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.
DS1720
ECON-Digital Thermometer and
Thermostat
www.maxim-ic.com
DS1720S 8-Pin SOIC (208-mil)
1
2
3
4
8
7
6
5
DQ
CLK/CONV
RST
GND
VDD
THIGH
TLOW
TCOM
相关PDF资料 |
PDF描述 |
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| DS1720S | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), RECTANGULAR, SURFACE MOUNT |
| DS1721S+T&R | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT |
| DS1721U+ | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| DS1721U | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 1Cel, SQUARE, SURFACE MOUNT |
| DS1721S | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT |
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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