参数资料
型号: DS1721U
厂商: Maxim Integrated
文件页数: 12/17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:
输出风扇:
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
 
 
 
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SAMPLE COMMAND SEQUENCE Table 5
Example: After power-up, initiates a temperature conversion, bus master reads temperature
BUS MASTER
MODE
DS1721
MODE
DATA (MSB
FIRST)
COMMENTS
TX
RX
START
Bus Master initiates a START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W  = 0 
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
51h
Bus Master sends start convert T protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a repeated START condition
TX
RX
<address, 0>
Bus Master sends DS1721 address; R/
W  = 0 
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
AAh
Bus Master sends read temperature protocol
RX
TX
ACK
DS1721 generates acknowledge bit
TX
RX
START
Bus Master initiates a repeated START condition
TX
RX
<address, 1>
Bus Master sends DS1721 address; R/
W  =1 
RX
TX
ACK
DS1721 generates acknowledge bit
RX
TX
<1 data byte>    DS1721 transmits MSB of temperature
TX
RX
ACK
Bus Master generates acknowledge bit
RX
TX
<1 data byte>    DS1721 transmits LSB of temperature
 
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