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参数资料
| 型号： | DS1721U |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/17页 |
| 文件大小： | 257K |
| 描述： | IC THERMOMETER/STAT DIG HP 8USOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC，比较器，寄存器库 |
| 输出类型： | 2 线串行，I²C?/SMBUS? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 管件 |
DS1721
11 of 17
Stop Convert T [22h]
This command stops temperature conversion. No further data is required. This command may be used to
halt a DS1721 in continuous conversion mode. After issuing this command, the current temperature
measurement will be completed, stored and the DS1721 will remain idle until a Start Convert T is issued
to resume conversions.
DS1721 COMMAND SET Table 4
INSTRUCTION
DESCRIPTION
PROTOCOL
2-WIRE BUS DATA
AFTER ISSUING
PROTOCOL
NOTES
REGISTER COMMANDS
Access
Configuration
Writes to/Reads from 8-bit
configuration/status register
ACh
1 data byte
1
Access TH
Writes to/Reads from
12-bit TH register
A1h
1 or 2 data bytes
1, 3
Access TL
Writes to/Reads from
12-bit TL register
A2h
1 or 2 data bytes
1, 3
CONVERSION COMMANDS
Start Convert T
Initiates temperature
conversion
51h
idle
2
Stop Convert T
Terminates continuous
conversions
22h
idle
2
Read
Temperature
Reads 12-bit
Temperature register
AAh
Read 1 or 2 data bytes
3
NOTES:
1. Data direction depends upon R/
W bit in the 2-wire control byte.
2. In continuous conversion mode, a Stop Convert T command will halt continuous conversion. To
restart, the Start Convert T command must be issued. In one-shot mode, a Start Convert T command
must be issued for every temperature reading desired.
3. If the user only desires 8-bit thermometer readings, the master need only read 1 data byte and follow
with a NACK and STOP. If higher resolution is required, 2 bytes must be read.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1721U/T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT DIG HP 8USOP |
| DS1721U/T&R+W | 制造商:Maxim Integrated Products 功能描述:DIGITAL THERMOMETER AND THERMOSTAT - Tape and Reel 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Digital Thermometer & Thermostat |
| DS1721U/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 |
| DS1721U/T&R+W | 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 |
| DS1721U/T,R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2-Wire Digital Thermometer and Thermostat |
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