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参数资料
| 型号： | DS1722U+T&R |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | Digital Thermometer with SPI/3-Wire Interface |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT |
| 封装： | MICRO MAX, LEAD FREE, SOIC-8 |
| 文件页数： | 1/14页 |
| 文件大小： | 384K |
| 代理商： | DS1722U+T&R |
DS1722
Digital Thermometer with
SPI/3-Wire Interface
www.maxim-ic.com
FEATURES
Temperature Measurements Require No
External Components
1 of 14
022008
Measures Temperatures from -55
°C to
+120
°C. Fahrenheit Equivalent is -67°F to
+248
°F
Thermometer Accuracy is
±2.0°C
Thermometer Resolution is Configurable
from 8 to 12 bits (1.0
°C to 0.0625°C
Resolution)
Data is Read From/Written to Via a Motorola
Serial Peripheral Interface (SPI) or Standard
3-Wire Serial Interface
Wide Analog Power Supply Range (2.65V -
5.5V)
Separate Digital Supply Allows for 1.8V
Logic
Available in an 8-Pin SO (150mil) and 8-Pin
μMAX package
PIN ASSIGNMENT
VDDD
PIN DESCRIPTION
SERMODE
- Serial Interface Mode
CE
- Chip Enable
SCLK
- Serial Clock
GND
- Ground
VDDA
- Analog Supply Voltage
SDO
- Serial Data Out
SDI
- Serial Data In
VDDD
- Digital Supply Voltage
DESCRIPTION
The DS1722 Digital Thermometer and Thermostat with SPI/3-Wire Interface provides temperature
readings which indicate the temperature of the device. No additional components are required; the device
is truly a temperature-to-digital converter. Temperature readings are communicated from the DS1722
over a Motorola SPI interface or a standard 3-wire serial interface. The choice of interface standard is
selectable by the user.
For applications that require greater temperature resolution, the user can adjust the readout resolution
from 8 to 12 bits. This is particularly useful in applications where thermal runaway conditions must be
detected quickly.
For application flexibility, the DS1722 features a wide analog supply rail of 2.65V - 5.5V. A separate
digital supply allows a range of 1.8V to 5.5V.
The DS1722 is available in an 8-pin SO (150mil) and 8-pin μMAX package.
Applications for the DS1722 include personal computers/servers/workstations, cellular telephones, office
equipment, or any thermally-sensitive system.
CE
SCLK
GND
VDDA
2
3
4
8
7
6
5
1
DS1722S
n SO (150mil)
1
8
2
7
3
6
4
5
*
8-Pi
SERMODE
SDI
SDO
DS1722U
8-PIN MAX
VDDA
SERMODE
SDI
SDO
VDDD
CE
SCLK
GND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1722X/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8FCHIP |
| DS1722X/T&R | 功能描述:IC THERMOMETER DIG 3-WIRE 8FCHIP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
| DS1726 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:High-Precision 3-Wire Digital Thermometer and Thermostat |
| DS1726U | 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 |
| DS1726U/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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