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| 型号： | DS1621V/T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/16页 |
| 文件大小： | 337K |
| 描述： | IC THERMOMETER/STAT DIG 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 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-SOIC（0.209"，5.30mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1621
11 of 16
Table 3. DS1621 COMMAND SET
INSTRUCTION
DESCRIPTION
PROTOCOL
2-WIRE BUS DATA
AFTER ISSUING
PROTOCOL
NOTES
TEMPERATURE CONVERSION COMMANDS
Read Temperature Read last converted temperature
value from temperature register.
AAh
<read 2 bytes data>
Read Counter
Reads value of Count_Remain
A8h
<read data>
Read Slope
Reads value of the
Count_Per_C
A9h
<read data>
Start Convert T
Initiates temperature
conversion.
EEh
idle
1
Stop Convert T
Halts temperature conversion.
22h
idle
1
THERMOSTAT COMMANDS
Access TH
Reads or writes high
temperature limit value into TH
register.
A1h
<write data>
2
Access TL
Reads or writes low
temperature limit value into TL
register.
A2h
<write data>
2
Access Config
Reads or writes configuration
data to configuration register.
ACh
<write data>
2
NOTES:
1. 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.
2. Writing to the E
2
requires a maximum of 10ms at room temperature. After issuing a write command,
no further writes should be requested for at least 10ms.
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