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參數(shù)資料
| 型號： | ADT7302ARTZ-500RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 238K |
| 描述： | IC SENSOR TEMP 13BIT DGT SOT23-6 |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 功能： | 溫度監(jiān)控系統(tǒng)（傳感器） |
| 傳感器類型： | 內(nèi)部 |
| 感應(yīng)溫度： | -40°C ~ 125°C |
| 精確度： | ±2°C（最小值） |
| 拓?fù)洌?/td> | ADC，寄存器庫 |
| 輸出類型： | MICROWIRE?，QSPI?，SPI? |
| 輸出警報： | 無 |
| 輸出風(fēng)扇： | 無 |
| 電源電壓： | 2.7 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-6 |
| 包裝： | 帶卷 (TR) |
ADT7302
Rev. B | Page 14 of 16
ADT7302 to ADSP-21xx Interface
Figure 18 shows an interface between the ADT7302 and the
ADSP-21xx DSP processor. To ensure correct operation of the
interface, the SPORT control register should be set up as follows:
TFSW = RFSW = 1, alternate framing
INVRFS = INVTFS = 1, active low framing signal
DTYPE = 00, right justify data
SLEN = 1111, 16-bit data-words
ISCLK = 1, internal serial clock
TFSR = RFS = 1, frame every word
IRFS = 0, RFS configured as input
ITFS = 1, TFS configured as output
The interface requires an inverter between the SCLK line
of the ADSP-21xx and the SCLK input of the ADT7302. The
ADSP-21xx has the TFS and RFS of the SPORT tied together,
with TFS set as an output and RFS set as an input. The DSP
operates in alternate framing mode, and the SPORT control
register is set up as described previously.
ADT7302*
SCLK
DOUT
DIN
ADSP-21xx*
SCLK
DR
DT
RFS
ADDITIONAL PINS OMITTED FOR CLARITY
TFS
CS
Figure 18. ADT7302 to ADSP-21xx Interface
MOUNTING THE ADT7302
The ADT7302 can be used for surface- or air-temperature
sensing applications. If the device is cemented to a surface with
thermally conductive adhesive, the die temperature will be
within about 0.1癈 of the surface temperature, because of the
ADT7302s low power consumption. Care should be taken to
insulate the back and leads of the device from the air if the
ambient air temperature is different from the surface
temperature being measured.
The ground pin provides the best thermal path to the die,
therefore the temperature of the die is close to that of the
printed circuit ground track. Care should be taken to ensure
that this is in good thermal contact with the surface being
measured.
As with any IC, the ADT7302 and its associated wiring and
circuits must be kept free from moisture to prevent leakage and
corrosion, particularly in cold conditions where condensation is
more likely to occur. Water-resistant varnishes and conformal
coatings can be used for protection. The small size of the
ADT7302 allows it to be mounted inside sealed metal probes,
which provide a safe environment for the device.
SUPPLY DECOUPLING
The ADT7302 should be decoupled with a 0.1 礔 ceramic
capacitor between V
DD
and GND. This is particularly important
if the ADT7302 is mounted remote from the power supply.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADT7302ARTZ-500RL7 | 制造商:Analog Devices 功能描述:SENSOR, TEMPERATURE, 13BIT, SOT-23-6 |
| ADT7302ARTZ-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:【2∑C Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23 |
| ADT7302ARTZ-REEL7 | 功能描述:IC SENSOR TEMP 13BIT DGT SOT23-6 RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 功能:溫度開關(guān) 傳感器類型:內(nèi)部 感應(yīng)溫度:85°C 分界點 精確度:±6°C（最小值） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:開路漏極 輸出警報:是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:ADT6501SRJZP085RL7-ND |
| ADT7302ARTZ-REEL7 | 制造商:Analog Devices 功能描述:SENSOR, TEMPERATURE, 1DEG CELSIUS, SOT-2 |
| ADT7310 | 制造商:AD 制造商全稱:Analog Devices 功能描述:±0.5°C Accurate, 16-Bit Digital SPI Temperature Sensor |
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