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參數(shù)資料
| 型號(hào)： | DS4000D0/WBGA |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 16/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OSC TCXO 13MHZ 24-BGA |
| 標(biāo)準(zhǔn)包裝： | 135 |
| 類(lèi)型： | 溫度 - 補(bǔ)償晶體振蕩器（TCXO） |
| 頻率： | 13MHz |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 電流 - 電源： | 1.5mA |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 24-BBGA |
| 包裝： | 托盤(pán) |
| 供應(yīng)商設(shè)備封裝： | 24-WBGA（11x9） |
| 安裝類(lèi)型： | 表面貼裝 |
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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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS4000EC/WBGA | 功能描述:IC OSC TCXO 14.31818MHZ 24-BGA RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 可編程計(jì)時(shí)器和振蕩器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:45 系列:- 類(lèi)型:溫度 - 補(bǔ)償晶體振蕩器（TCXO） 計(jì)數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:16-SOIC W 安裝類(lèi)型:表面貼裝 |
| DS4000ECN/WBGA | 功能描述:IC OSC TCXO 14.31818MHZ 24-BGA RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 可編程計(jì)時(shí)器和振蕩器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:45 系列:- 類(lèi)型:溫度 - 補(bǔ)償晶體振蕩器（TCXO） 計(jì)數(shù):- 頻率:25MHz 電源電壓:3.135 V ~ 3.465 V 電流 - 電源:1.5mA 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 包裝:管件 供應(yīng)商設(shè)備封裝:16-SOIC W 安裝類(lèi)型:表面貼裝 |
| DS4000G0/WBGA | 功能描述:TCXO振蕩器 RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類(lèi)型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
| DS4000G0N/WBGA | 功能描述:TCXO振蕩器 RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類(lèi)型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
| DS4000G0WBGA | 制造商:Maxim Integrated Products 功能描述: |
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