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ADT7301

更新时间： 2024-01-14 06:23:57
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
16页 286K
描述
13-bit temperature-to-digital converter −40°C to 150°C operating temperature range ±0.5°C typical accuracy

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ADT7301 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：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.3
最大精度（摄氏度）：4 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：PLASTICJESD-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：150 °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：SOLDERBase Number Matches：1

ADT7301 数据手册

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FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
13-bit temperature-to-digital converter  
−40°C to +150°C operating temperature range  
0.5°C typical accuracy  
BAND GAP  
TEMPERATURE  
SENSOR  
13-BIT  
ANALOG/DIGITAL  
CONVERTER  
0.03125°C temperature resolution  
Shutdown current of 1 μA  
Power dissipation of 0.631 mW at VDD = 3.3 V  
SPI- and DSP-compatible serial interface  
Shutdown mode  
GND  
V
DD  
TEMPERATURE  
VALUE  
REGISTER  
ADT7301  
CS  
SERIAL  
BUS  
INTERFACE  
SCLK  
DIN  
Space-saving SOT-23 and MSOP packages  
Compatible with AD7814  
DOUT  
APPLICATIONS  
Medical equipment  
Automotive  
Figure 1.  
Environmental controls  
Oil temperature  
Hydraulic systems  
Cellular phones  
Hard disk drives  
Personal computers  
Electronic test equipment  
Office equipment  
Domestic appliances  
Process control  
GENERAL DESCRIPTION  
PRODUCT HIGHLIGHTS  
The ADT7301 is a complete temperature monitoring system  
available in SOT-23 and MSOP packages. It contains a band gap  
temperature sensor and a 13-bit ADC to monitor and digitize  
the temperature reading to a resolution of 0.03125°C.  
1. On-chip temperature sensor that allows an accurate  
measurement of the ambient temperature. The measurable  
temperature range is −40°C to +150°C.  
2. Supply voltage of 2.7 V to 5.25 V.  
The ADT7301 has a flexible serial interface that allows easy  
interfacing to most microcontrollers. The interface is compati-  
ble with SPI®, QSPI™, and MICROWIRE™ protocols as well as  
DSPs. The part features a standby mode that is controlled via  
the serial interface. The ADT7301’s wide supply voltage range,  
low supply current, and SPI-compatible interface make it ideal  
for a variety of applications including personal computers,  
office equipment, automotive, and domestic appliances. The  
ADT7301 is rated for operation over the −40°C to +150°C  
temperature range. It is not recommended to operate the device  
at temperatures above +125°C for greater than a total of 5%  
(5,000 hours) of the lifetime of the device. Exposure beyond this  
limit affects device reliability.  
3. Space-saving 6-lead SOT-23 and 8-lead MSOP packages.  
4. Typical temperature accuracy of 0.5°C.  
5. 13-bit temperature reading to 0.03125°C resolution.  
6. Shutdown mode that reduces the power consumption to  
4.88 μW with VDD = 3.3 V @ 1 SPS.  
7. Compatible with AD7814.  
Rev. B  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2005–2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 
 
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