Datasheet > DS75

DS75

更新时间： 2023-12-20 18:46:14

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
14页	623K
描述
数字温度计和温度监控器

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DS75 数据手册

DS75

Digital Thermometer and Thermostat

General Description

Features

The DS75 digital thermometer and thermostat provides 9,

10, 11, or 12-bit digital temperature readings over a -55°C to

+125°C range with ±2°C accuracy over a -25°C to +100°C

range. At power-up, the DS75 defaults to 9-bit resolution

for software compatibility with the LM75. Communication

with the DS75 is achieved via a simple 2–wire serial inter-

face. Three address pins allow up to eight DS75 devices

to operate on the same 2-wire bus, which greatly simplifies

distributed temperature sensing applications.

● Temperature Measurements Require No External

Components

● Measures Temperatures from -55°C to +125°C

(-67°F to +257°F)

● ±2°C Accuracy Over a -25°C to +100°C Range

● Thermometer Resolution is User-Configurable

from Nine (Default) to 12 Bits (0.5°C to 0.0625°C

Resolution)

● 9-Bit Conversion Time is 150ms (Max)

● Thermostatic Settings are User-Definable

The DS75 thermostat has a dedicated open–drain output

(O.S.) and programmable fault tolerance, which allows the

user to define the number of consecutive error conditions

that must occur before O.S is activated. There are two

thermostatic operating modes that control thermostat oper-

● Data is Read/Written Via 2-Wire Serial

(Interface (SDA and SCL Pins)

● Multidrop Capability Simplifies Distributed

ation based on userdefined trip-points (T

and T

HYST

Temperature-Sensing Applications

A block diagram of the DS75 is shown in Figure 1 and

detailed pin descriptions are given in Table 2.

● Wide Power-Supply Range (+2.7V to +5.5V).

● Pin/software Compatible with the LM75

● Available in 8-Pin µMAX and SO Packages and as a

1.5mm x 1.3mm Flip Chip. See Table 1 for Ordering

Information

Pin Conﬁguration

TOP VIEW

● Applications Include Personal Computers, Cellular

Base Stations, Office Equipment, or Any Thermally

Sensitive System

SDA

SCL

O.S.

GND

DS75

Pin Description

SDA

SCL

GND

O.S.

Open-Drain Data I/O

Clock Input

DS75S+ (8-Pin SO — 150mil)

Ground

Open-Drain Thermostat Output

Address Input

SDA

SCL

O.S.

GND

Address Input

DS75

Address Input

Power Supply

DS75U+ (µMAX)

19-7848; Rev 1; 2/08

12 3 4 5 6 7...14

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