Datasheet > LM71_05

LM71_05

更新时间： 2024-11-27 04:20:03

品牌	Logo	应用领域
美国国家半导体 - NSC		传感器温度传感器
页数	文件大小	规格书
13页	628K
描述
SPI/MICROWIRE 13-Bit Plus Sign Temperature Sensor

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LM71_05 数据手册

February 2005

LM71

SPI/MICROWIRE 13-Bit Plus Sign Temperature Sensor

n Electronic Test Equipment

n Vending Machines

General Description

The LM71 is a low-power, high-resolution digital temperature

sensor with an SPI and MICROWIRE compatible interface,

available in the 5-pin SOT23 or the 6-pin LLP (no pull back)

package. The host can query the LM71 at any time to read

temperature. Its low operating current is useful in systems

where low power consumption is critical.

Features

n SOT23-5 or No-Pull-Back LLP-6 Packages

n Operates over a full −40˚C to +150˚C range

n SPI and MICROWIRE Bus interface

The LM71 has 13-bit plus sign temperature resolution

(0.03125˚C per LSB) while operating over a temperature

range of −40˚C to +150˚C.

Key Specifications

Supply Voltage

2.65V to 5.5V

300 µA (typ)

550 µA (max)

The LM71’s 2.65V to 5.5V supply voltage range, fast con-

version rate, low supply current, and simple SPI interface

make it ideal for a wide range of applications.

Supply Current

operating

Temperature

Accuracy

Applications

−10˚C to +65˚C

1.5˚C (max)

n System Thermal Management

n Personal Computers

n Portable Electronic Devices

n Disk Drives

−40˚C to 150˚C +3/− 2˚C (max)

31.25 m˚C

Temperature

Resolution

n Office Electronics

Simplified Block Diagram

20031701

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

DS200317

www.national.com

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