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参数资料
| 型号： | DS4000A0N/WBGA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/16页 |
| 文件大小： | 0K |
| 描述： | IC OSC TCXO 10MHZ 24BGA |
| 标准包装： | 1 |
| 类型： | 温度 - 补偿晶体振荡器（TCXO） |
| 频率： | 10MHz |
| 电源电压： | 4.75 V ~ 5.25 V |
| 电流 - 电源： | 1.5mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 24-BBGA |
| 包装： | 托盘 |
| 供应商设备封装： | 24-WBGA（11x9） |
| 安装类型： | 表面贴装 |
DS4000 Digitally Controlled TCXO
9 of 16
DIGITAL TEMPERATURE SENSOR
The digital temperature sensor provides 10-bit temperature readings that indicate the temperature of the device.
Temperature readings are communicated from the DS4000 over a 2-wire serial interface. No additional
components are required. The DS4000 has an external address bit that allows a user to choose the slave address
from two possible values.
The factory-calibrated temperature sensor requires no external components. Upon power-up, the DS4000 starts
performing temperature conversions with a resolution of 10 bits (+0.25°C resolution). Following an 8-bit command
protocol, temperature data can be read over the 2-wire interface. The host can periodically read the value in the
temperature register, which contains the last completed conversion. As conversions are performed in the
background, reading the temperature register does not affect the conversion in progress.
READING TEMPERATURE
The DS4000 measures temperature through the use of an on-chip temperature-measurement technique with an
operation range from 0°C to +70°C (commercial) or -40°C to +85°C (industrial). The device performs continuous
conversions with the most recent result being stored in the temperature register. The digital temperature is
retrieved from the temperature register using the READ TEMPERATURE command, as described in detail in the
following paragraphs.
Table 2 shows the exact relationship of output data to measured temperature. The data is transmitted serially over
the 2-wire serial interface, MSB first. The MSB of the temperature register contains the “sign” (S) bit, denoting
whether the temperature is positive or negative. For Fahrenheit usage, a lookup table or conversion routine must
be used.
TEMPERATURE/DATA RELATIONSHIP (UNIT =
°C)
MSB
(64h)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
S
2
6
2
5
2
4
2
3
2
1
2
0
LSB
(65h)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
2
-1
2
-2
0
Table 2. Temperature/Data Relationship
TEMPERATURE
(°C)
DIGITAL OUTPUT
(Binary)
DIGITALOUTPUT
(hex)
+85
0101 0101 0000 0000
5500h
+75
0100 1011 0000 0000
4B00h
+0.5
0000 0000 1000 0000
0080h
0
0000 0000 0000 0000
0000h
-0.5
1111 1111 1000 0000
FF80h
-20
1110 1100 0000 0000
EC00h
-40
1101 1000 0000 0000
D800h
Note: Internal power dissipation raises the temperature above the ambient. The delta between ambient and the die temperature depends on
power consumption, PC board layout, and airflow.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS4000B | 功能描述:电线导管 DS4000 BASE 10 FT. RoHS:否 制造商:Panduit 类型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 颜色:Light Gray 大小: 最大光束直径: 抗拉强度: 外部导管宽度:25 mm 外部导管高度:25 mm |
| DS4000C-BK | 功能描述:电线导管 DS4000 COVER MATTE BLACK - 5FT RoHS:否 制造商:Panduit 类型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 颜色:Light Gray 大小: 最大光束直径: 抗拉强度: 外部导管宽度:25 mm 外部导管高度:25 mm |
| DS4000C-BZ | 功能描述:电线导管 DS4000 COVER METALLIC BRONZE -5FT RoHS:否 制造商:Panduit 类型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 颜色:Light Gray 大小: 最大光束直径: 抗拉强度: 外部导管宽度:25 mm 外部导管高度:25 mm |
| DS4000C-DG | 功能描述:电线导管 DS4000 CVR DESIGNER GRAY - 5FT RoHS:否 制造商:Panduit 类型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 颜色:Light Gray 大小: 最大光束直径: 抗拉强度: 外部导管宽度:25 mm 外部导管高度:25 mm |
| DS4000C-DV | 功能描述:电线导管 DS4000 CVR DESIGNER IVORY - 5FT RoHS:否 制造商:Panduit 类型:Slotted SideWall Open finger design wiring cut 材料:Polypropylene 颜色:Light Gray 大小: 最大光束直径: 抗拉强度: 外部导管宽度:25 mm 外部导管高度:25 mm |
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