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参数资料
| 型号： | DS1722U+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/14页 |
| 文件大小： | 384K |
| 描述： | IC THERMOMETER DIG 3-WIRE 8-USOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 3,000 |
| 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-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
DS1722
5 of 14
Temperature/Data Relationships Table 3
Address
Location
S
2
6
2
5
2
4
2
3
2
2
2
1
2
0
02h
MSb
(unit = 癈)
LSb
2
-1
2
-2
2
-3
2
-4
0
0
0
0
01h
TEMPERATURE
DIGITAL OUTPUT
(BINARY)
DIGITAL OUTPUT
(HEX)
+120癈
0111 1000 0000 0000
7800h
+25.0625癈
0001 1001 0001 0000
1910h
+10.125癈
0000 1010 0010 0000
0A20h
+0.5癈
0000 0000 1000 0000
0080h
0癈
0000 0000 0000 0000
0000h
-0.5癈
1111 1111 1000 0000
FF80h
-10.125癈
1111 0101 1110 0000
F5E0h
-25.0625癈
1110 0110 1111 0000
E6F0h
-55癈
1100 1001 0000 0000
C900h
OPERATION-Programming
The area of interest in programming the DS1722 is the Configuration register. All programming is done
via the SPI or 3-wire communication interface by selecting the appropriate address of the desired register
location. Table 4 illustrates the addresses for the two registers (configuration and temperature) of the
DS1722.
Register Address Structure Table 4
Read Address
Write Address
Active Register
00h
80h
Configuration
01h
No access
Temperature LSB
02h
No access
Temperature MSB
CONFIGURATION REGISTER PROGRAMMING
The configuration register is accessed in the DS1722 with the 00h address for reads and the 80h address
for writes. Data is read from or written to the configuration register MSb first for SPI communication and
LSb first for 3-wire communication. The format of the register is illustrated in Figure 2. The effect each
bit has on DS1722 functionality is described below along with the power-up state of the bit. The entire
register is volatile, and thus it will power-up in the default state.
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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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