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参数资料
| 型号： | DS1731U+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 13/16页 |
| 文件大小： | 435K |
| 描述： | IC THERMOMETER DIG HI-PREC 8MSOP |
| 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 ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC（三角积分型），比较器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 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： | 带卷 (TR) |
DS1631/DS1631A/DS1731
13 of 15
2-WIRE READS
The master can read data from the DS1631/DS1631A/DS1731 by issuing an Access Config, Access TH,
Access TL, or Read Temperature command following the control byte (see Figures 9c and 9e). After
receiving an ACK in response to the command, the master must generate a repeated START followed by
a control byte with the same slave address as the first control byte. However, this time the R/W?/SPAN>?/SPAN> bit must
be a 1, which tells the DS1631/DS1631A/DS1731 that a read is being performed. After the
DS1631/DS1631A/DS1731 send an ACK in response to this control byte, it begins transmitting the
requested data on the next clock cycle. One byte of data will be transmitted when reading from the
configuration register after which the master must respond with a NACK followed by a STOP. For two-
byte reads (i.e., from the Temperature, T
H
, or T
L
register), the master must respond to the first data byte
with an ACK and to the second byte with a NACK followed by a STOP. If only the most significant byte
of data is needed, the master can issue a NACK followed by a STOP after reading the first data byte.
COMMAND SET
The DS1631/DS1631A/DS1731 command set is detailed below:
Start Convert T [ 51h ]
Initiates temperature conversions. If the part is in one-shot mode (1SHOT = 1), only one conversion is
performed. In continuous mode (1SHOT = 0), continuous temperature conversions are performed until a
Stop Convert T command is issued.
Stop Convert T [ 22h ]
Stops temperature conversions when the device is in continuous conversion mode (1SHOT = 0).
Read Temperature [ AAh ]
Reads last converted temperature value from the 2-byte temperature register.
Access TH [ A1h ]
Reads or writes the 2-byte T
H
register.
Access TL [ A2h ]
Reads or writes the 2-byte T
L
register.
Access Config [ ACh ]
Reads or writes the 1-byte configuration register.
Software POR [ 54h ]
Initiates a software power-on-reset (POR), which stops temperature conversions and resets all registers
and logic to their power-up states. The software POR allows the user to simulate cycling the power
without actually powering down the device.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1731Z | 制造商:Maxim Integrated Products 功能描述:**OBS** 2-WIRE DIG THERMOMETER (SOI - Rail/Tube |
| DS1742 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Y2KC Nonvolatile Timekeeping RAMwww. |
| DS1742-100 | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1742-100+ | 功能描述:实时时钟 Timekeeping NV RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1742-100IND | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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