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參數(shù)資料
| 型號(hào)： | DS1720S+T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), RECTANGULAR, SURFACE MOUNT |
| 封裝： | 0.208 INCH, LEAD FREE, SOIC-8 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 173K |
| 代理商： | DS1720S+T&R |
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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
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| DS1720S+ | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), RECTANGULAR, SURFACE MOUNT |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1720STR | 制造商:Maxim Integrated Products 功能描述: |
| DS1721 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:2-Wire Digital Thermometer and Thermostat |
| DS1721S | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能: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 |
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