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参数资料
| 型号： | DS1722S/T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/14页 |
| 文件大小： | 384K |
| 描述： | IC THERMOMETER DIG 3-WIRE 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 120°C |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，寄存器库 |
| 输出类型： | SPI? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 2.65 V ~ 5.5 V |
| 工作温度： | -55°C ~ 120°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
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癈 to
+120癈. Fahrenheit Equivalent is -67癋 to
+248癋
Thermometer Accuracy is ?.0癈
Thermometer Resolution is Configurable
from 8 to 12 bits (1.0癈 to 0.0625癈
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
糓AX package
PIN ASSIGNMENT
V
DDD
PIN DESCRIPTION
SERMODE
- Serial Interface Mode
CE
- Chip Enable
SCLK
- Serial Clock
GND
- Ground
V
DDA
- Analog Supply Voltage
SDO
- Serial Data Out
SDI
- Serial Data In
V
DDD
- 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 糓AX package.
Applications for the DS1722 include personal computers/servers/workstations, cellular telephones, office
equipment, or any thermally-sensitive system.
CE
SCLK
GND
V
2
3
4
8
7
6
5
1
DS1722S
n SO (150mil)
1 8
2 7
3 6
4 5
8-Pi
SDI
SDO
DS1722U
8-PIN MAX
V
DDA
SERMODE
SDI
SDO
V
DDD
CE
SCLK
GND
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1722U | 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 |
| DS1722U/T&R | 制造商:Maxim Integrated Products 功能描述:THE MAXIM DS1722U/T&R IS A TEMPERATURE SENSOR. - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Maxim DS1722U/T&R, Digital Thermometer and thermostat -55C to +125C 2.65V-5.5V 8-pin uMAX 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-USOP |
| DS1722U/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 |
| DS1722U+ | 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 |
| DS1722U+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 3-WIRE/SPI 8PIN UMAX - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG 3-WIRE 8-USOP |
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