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| 型号： | ADT7302ARTZ-500RL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/16页 |
| 文件大小： | 238K |
| 描述： | IC SENSOR TEMP 13BIT DGT SOT23-6 |
| 标准包装： | 500 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部 |
| 感应温度： | -40°C ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | ADC，寄存器库 |
| 输出类型： | MICROWIRE?，QSPI?，SPI? |
| 输出警报： | 无 |
| 输出风扇： | 无 |
| 电源电压： | 2.7 V ~ 5.25 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 带卷 (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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADT7302ARTZ-500RL7 | 制造商:Analog Devices 功能描述:SENSOR, TEMPERATURE, 13BIT, SOT-23-6 |
| ADT7302ARTZ-REEL | 制造商:AD 制造商全称: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 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:3,000 系列:- 功能:温度开关 传感器类型:内部 感应温度:85°C 分界点 精确度:±6°C（最小值） 拓扑:ADC（三角积分型），比较器，寄存器库 输出类型:开路漏极 输出警报:是 输出风扇:是 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:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:ADT6501SRJZP085RL7-ND |
| ADT7302ARTZ-REEL7 | 制造商:Analog Devices 功能描述:SENSOR, TEMPERATURE, 1DEG CELSIUS, SOT-2 |
| ADT7310 | 制造商:AD 制造商全称:Analog Devices 功能描述:±0.5°C Accurate, 16-Bit Digital SPI Temperature Sensor |
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