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ADT7302ARMZ

更新时间： 2024-02-15 11:59:20

品牌	Logo	应用领域
亚德诺 - ADI		传感器换能器温度传感器输出元件 PC
页数	文件大小	规格书
14页	220K
描述
【2∑C Accurate, MicroPower Digital Temperature Sensor in 6-Lead SOT-23

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技术参数
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ADT7302ARMZ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	包装说明：	TSOP6,.11,37
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.3
Is Samacsys：	N	最大精度（摄氏度）：	3 Cel
主体宽度：	1.6 mm	主体高度：	1.15 mm
主体长度或直径：	2.9 mm	外壳：	PLASTIC
JESD-609代码：	e3	安装特点：	SURFACE MOUNT
位数：	13	端子数量：	6
最大工作电流：	2.2 mA	最高工作温度：	125 °C
最低工作温度：	-40 °C	输出接口类型：	4-WIRE INTERFACE
封装主体材料：	PLASTIC/EPOXY	封装等效代码：	TSOP6,.11,37
封装形状/形式：	RECTANGULAR	电源：	3/5 V
传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	子类别：	Other Sensors
最大供电电压：	5.5 V	最小供电电压：	2.7 V
表面贴装：	YES	温度系数：	NEGATIVE/POSITIVE ppm/ °C
端子面层：	Matte Tin (Sn)	端接类型：	SOLDER
Base Number Matches：	1

ADT7302ARMZ 数据手册

PueliminruyCTeAhniArlCDrarC

DT730±

t₁

t₇

t₂

SCLK

DOUT

t₃

t₈

t₄

DB0

DB1

LEADING ZEROS

DB13

DB12

POWER-

DOWN

DIN

Figure 13. Serial Interface Timing Diagram

SERIAL INTERFACE

Read Operation

Figure 13 shows the timing diagram for a serial read from the

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 serial interface on the ADT7302 consists of four wires:

SCLK, DIN, and DOUT. The interface can be operated in 2-

ADT7302. The

line enables the SCLK input. Thirteen bits of

wire mode with

inter-face has read-only capability, with data being read from

and DIN tied to ground, in which case the

the data register via the DOUT line. It is advisable to utilize

which improves synchronization between the ADT7302 and the

master device. The DIN line is used to write the part into

standby mode, if required. The

device when more than one device is connected to the serial

clock and data lines.

the temperature data. If

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-

line is used to select the

ature value register. When

returns high, the DOUT line goes

into three-state. Data is clocked out onto the DOUT line on the

falling edge of SCLK.

The part operates in a 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.

Write Operation

Figure 13 also shows the timing diagram for a serial write to the

ADT7302. The write operation takes place at the same time as

the read operation. Only the third bit in the data stream

provides a user-controlled function. This third bit is the power-

down bit, which, when set to a 1, puts the ADT7302 into

shutdown mode. Besides the power-down bit, all bits in the

input data stream should be zero to ensure correct operation of

the ADT7302. Data is loaded into the control register on the

16^thrising SCLK edge; the data takes effect at this time, i.e., if

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.

the part is programmed to go into shutdown, it does so at this

point. If

is brought high before this 16 SCLK edge, the

control register is not loaded and the power-down status of the

part does not change. Data is clocked into the ADT7302 on the

rising edge of SCLK.

Rev. PrE | Page 9 of 14

1...6 7 8910 11 12...14

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ADT7302ARMZ-REEL	ADI	【2∑C Accurate, MicroPower Digital Temperature	获取价格
ADT7302ARMZ-REEL7	ADI	【2∑C Accurate, MicroPower Digital Temperature	获取价格
ADT7302ART	ADI	IC,TEMPERATURE SENSOR,TSOP,6PIN,PLASTIC	获取价格
ADT7302ART-500RL7	ADI	【2∑C Accurate, MicroPower Digital Temperature	获取价格
ADT7302ART-REEL	ADI	【2∑C Accurate, MicroPower Digital Temperature	获取价格
ADT7302ART-REEL7	ADI	【2∑C Accurate, MicroPower Digital Temperature	获取价格

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