Datasheet > DS1775R2+T&R

DS1775R2+T&R

更新时间： 2024-01-08 02:05:39

品牌	Logo	应用领域
美信 - MAXIM		输出元件传感器换能器
页数	文件大小	规格书
14页	465K
描述
Serial Switch/Digital Sensor, 12 Bit(s), 2Cel, Rectangular, 5 Pin, Surface Mount, SOT-23, 5 PIN

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技术参数
数据手册

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DS1775R2+T&R 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.66	最大精度（摄氏度）：	2 Cel
主体宽度：	1.625 mm	主体高度：	1.25 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：	12	最大工作电流：	1 mA
最高工作温度：	125 °C	最低工作温度：	-55 °C
输出接口类型：	2-WIRE INTERFACE	封装形状/形式：	RECTANGULAR
传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL	最大供电电压：	5.5 V
最小供电电压：	2.7 V	表面贴装：	YES
端子面层：	TIN	端接类型：	SOLDER
Base Number Matches：	1

DS1775R2+T&R 数据手册

DS1775

Digital Thermometer and Thermostat in SOT23

the device. Following a clear, a subsequent fault can only

occur if consecutive conversions fall below T . This

Programming section for instructions in adjusting the ther-

mostat setpoints, thermostat mode, and O.S. active state.

HYST

interrupt/clear process is thus cyclical (T , clear, T

HYST

Programming

There are three areas of interest in programming the

DS1775: the configuration register, the T

clear, T , clear, T

, clear, etc.). Only the first of

HYST

multiple consecutive T

violations activates O.S., even

if each fault is separated by a clearing function. The same

the T

HYST

situation applies to multiple consecutive T events.

HYST

interface by setting the pointer to the appropriate location.

Table 2 illustrates the pointer settings for the four registers

of the DS1775.

Regardless of the mode chosen, the O.S. output is

open-drain and the active state is set in the configura-

tion register. The power-up default is active low. See the

MEASURED

TEMPERATURE

HYST

CONVERSIONS

COMPARATOR MODE

INACTIVE

O.S.

OUTPUT

ACTIVE

CONVERSIONS

INTERRUPT MODE

INACTIVE

O.S.

OUTPUT

ACTIVE

ASSUMES A READ

HAS OCCURRED

THIS TRANSFER FUNCTION ASSUMES THE DS1775 IS CONFIGURED SUCH THAT 2

CONSECUTIVE CONVERSIONS OUT OF TOLERANCE CONSTITUTE AND O.S. FAULT

Figure 2. O.S. Output Transfer Function

Table 2. Pointer Register Structure

POINTER

00h

ACTIVE REGISTER

Temperature (default)

Conﬁguration

01h

02h

HYST

03h

Maxim Integrated

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www.maximintegrated.com

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