LM70CIMMX-3

更新时间： 2024-11-23 22:31:11

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	289K
描述
SPI/MICROWIRE⑩ 10-Bit plus Sign Digital Temperature Sensor

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中文翻译

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数据手册

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LM70CIMMX-3 数据手册

July 2000

LM70

™

SPI/MICROWIRE 10-Bit plus Sign Digital Temperature

Sensor

n Electronic Test Equipment

General Description

The LM70 is

temperature sensor, Delta-Sigma

Features

n 0.25˚C temperature resolution.

n Shutdown mode conserves power between temperature

reading

n SPI and MICROWIRE Bus interface

n MSOP-8 and LLP-8 packages save space

analog-to-digital converter with an SPI and MICROWIRE

compatible interface available in LLP and MSOP 8-pin pack-

ages. The host can query the LM70 at any time to read tem-

perature. A shutdown mode decreases power consumption

to less than 10 µA. This mode is useful in systems where low

average power consumption is critical.

The LM70 has 10-bit plus sign temperature resolution

(0.25˚C per LSB) while operating over a temperature range

of −55˚C to +150˚C.

Key Specifications

Supply Voltage

Supply Current

2.65V to 5.5V

260µA (typ)

490µA (max)

12µA (typ)

The LM70’s 2.65V to 5.5V supply voltage range, low supply

current and simple SPI interface make it ideal for a wide

range of applications. These include thermal management

and protection applications in hard disk drives, printers, elec-

tronic test equipment, and office electronics.

operating

shutdown

2˚C(max)

Temperature

Accuracy

−40˚C to 85˚C

−10˚C to 65˚C +1.5/−2˚C(max)

−55˚C to 125˚C +3/−2˚C(max)

Applications

n System Thermal Management

n Personal Computers

n Disk Drives

−55˚C to 150˚C +3.5/−2˚C(max)

n Office Electronics

Simplified Block Diagram

DS101223-1

MICROWIRE^®is a registered trademark of National Semiconductor Corporation.

DS101223

www.national.com

12 3 4 5 6 7...13

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