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參數(shù)資料
| 型號： | ADT7302ARTZ-500RL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/16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） |
| 拓撲： | 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 10 of 16
40癈
0.03125癈
30癈
11, 1111, 1111, 1111
11, 1100, 0100, 0000
11, 1011, 0000, 0000
TEMPERATURE (癈)
75癈
150癈
1, 0010, 1100, 0000
0, 1001, 0110, 0000
00, 0000, 0000, 0001
Figure 13. Temperature to Digital Transfer Function
CLK
OUT
DIN
POWER-
DOWN
LEADING ZEROS
DB13
DB0
1
2
3
4
15
16
t
1
t
2
t
3
t
4
t
6
t
5
t
7
t
8
DB12
DB1
DB0
CS
Figure 14. Serial Interface Timing Diagram
SERIAL INTERFACE
The serial interface on the ADT7302 consists of four wires:
CS
,
SCLK, DIN, and DOUT. The interface can be operated in
3-wire mode with DIN tied to ground, in which case the inter-
face has read-only capability, with data being read from the data
register via the DOUT line. It is advisable to always use CS
to
create a communications window, as shown in Figure 13,
because this improves synchronization between the ADT7302
and the master device. The DIN line is used to write the part
into standby mode, if required. The
CS
line is used to select the
device when more than one device is connected to the serial
clock and data lines.
The part operates in slave mode and requires an externally
applied serial clock to the SCLK input to access data from the
data register. The serial interface on the ADT7302 allows the
part to be interfaced to systems that provide a serial clock
synchronized to the serial data, such as the 80C51, 87C51,
68HC11, 68HC05, and PIC16Cxx microcontrollers as well as
DSP processors.
A read operation from the ADT7302 accesses data from the
temperature value register while a write operation to the part
writes data to the control register.
Read Operation
Figure 14 shows the timing diagram for a serial read from the
ADT7302. The
CS
line enables the SCLK input. Thirteen bits of
data plus a sign bit are transferred during a read operation.
Read operations occur during streams of 16 clock pulses. The
first two bits out are leading zeros and the next 14 bits contain
the temperature data. If CS
remains low and 16 more SCLK
cycles are applied, the ADT7302 loops around and outputs the
two leading zeros plus the 14 bits of data that are in the temper-
ature value register. When
CS
returns high, the DOUT line goes
into three-state. Data is clocked out onto the DOUT line on the
falling edge of SCLK.
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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） 拓撲: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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