AD7814ART

更新时间： 2024-02-06 17:08:31

品牌	Logo	应用领域
亚德诺 - ADI		传感器温度传感器
页数	文件大小	规格书
8页	102K
描述
10-Bit Digital Temperature Sensor in 6-Lead SOT-23

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AD7814ART 数据手册

10-Bit Digital Temperature Sensor

in 6-Lead SOT-23

AD7814

FEATURES

FUNCTIONAL BLOCK DIAGRAM

10-Bit Temperature-to-Digital Converter

–55؇C to +125؇C Operating Temperature Range

؎2؇C Accuracy

SPI- and DSP-Compatible Serial Interface

Shutdown Mode

BANDGAP

TEMPERATURE

SENSOR

10-BIT

ANALOG/DIGITAL

CONVERTER

GND

Space-Saving SOT-23 Package

TEMPERATURE

VALUE

AD7814

APPLICATIONS

Hard Disk Drives

Personal Computers

Electronic Test Equipment

Office Equipment

Domestic Appliances

Process Control

SERIAL

SCLK

DIN

BUS

INTERFACE

DOUT

GENERAL DESCRIPTION

PRODUCT HIGHLIGHTS

The AD7814 is a complete temperature monitoring system in

an SOT-23 package or 8-lead µSOIC package. It contains a

bandgap temperature sensor and 10-bit ADC to monitor and

digitize the temperature reading to a resolution of +0.25°C.

1. The AD7814 has an on-chip temperature sensor that allows

an accurate measurement of the ambient temperature. The

measurable temperature range is –55°C to +125°C, with a

2°C temperature accuracy.

The AD7814 has a flexible serial interface that allows easy inter-

facing to most microcontrollers. The interface is compatible

with SPI™, QSPI and MICROWIRE™ protocol and is also

compatible with DSPs. The part features a standby mode that is

controlled via the serial interface.

2. Supply voltage of +2.7 V to +5.5 V.

3. Space-saving 6-lead SOT-23 package and 8-lead µSOIC

package.

4. 10-bit temperature reading to +0.25°C resolution.

5. The AD7814 features a standby mode that reduces the

The AD7814’s wide supply voltage range, low supply current

and SPI-compatible interface, make it ideal for a variety of ap-

plications, including personal computers, office equipment, and

domestic appliances.

current consumption to 1 µA.

SPI is a trademark of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor, Inc.

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

OneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.

Tel:781/329-4700

Fax:781/326-8703

WorldWideWebSite:http://www.analog.com

©AnalogDevices,Inc.,2000

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