Datasheet > TMP01FSZ-REEL1

TMP01FSZ-REEL1

更新时间： 2024-11-23 12:01:59

品牌	Logo	应用领域
亚德诺 - ADI		控制器
页数	文件大小	规格书
20页	323K
描述
Low Power Programmable Temperature Controller

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数据手册

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TMP01FSZ-REEL1 数据手册

Low Power Programmable

Temperature Controller

TMP01

FEATURES

FUNCTIONAL BLOCK DIAGRAM

−55°C to +125°C (−67°F to +257°F) operation

1.0°C accuracy over temperature (typ)

Temperature-proportional voltage output

User-programmable temperature trip points

User-programmable hysteresis

20 mA open-collector trip point outputs

TTL/CMOS compatible

Single-supply operation (4.5 V to 13.2 V)

PDIP, SOIC, and TO-99 packages

TEMPERATURE

SENSOR AND

VOLTAGE

SENSOR

2.5V

VREF

V+

REFERENCE

SET

HIGH

OVER

WINDOW

COMPARATOR

SET

LOW

UNDER

VPTAT

GND

HYSTERESIS

GENERATOR

TMP01

Figure 1.

APPLICATIONS

Over/under temperature sensor and alarm

Board-level temperature sensing

Temperature controllers

Electronic thermostats

Thermal protection

HVAC systems

Industrial process control

Remote sensors

GENERAL DESCRIPTION

The TMP01 is a temperature sensor that generates a voltage

output proportional to absolute temperature and a control

signal from one of two outputs when the device is either above

or below a specific temperature range. Both the high/low

temperature trip points and hysteresis (overshoot) band are

determined by user-selected external resistors. For high volume

production, these resistors are available on board.

Hysteresis is also programmed by the external resistor chain

and is determined by the total current drawn out of the 2.5 V

reference. This current is mirrored and used to generate a

hysteresis offset voltage of the appropriate polarity after a

comparator has been tripped. The comparators are connected

in parallel, which guarantees that there is no hysteresis overlap

and eliminates erratic transitions between adjacent trip zones.

The TMP01 consists of a band gap voltage reference combined

with a pair of matched comparators. The reference provides

both a constant 2.5 V output and a voltage proportional to

absolute temperature (VPTAT) which has a precise temperature

coefficient of 5 mV/K and is 1.49 V (nominal) at 25°C. The

comparators compare VPTAT with the externally set tempera-

ture trip points and generate an open-collector output signal

when one of their respective thresholds has been exceeded.

The TMP01 utilizes proprietary thin-film resistors in conjunc-

tion with production laser trimming to maintain a temperature

accuracy of 1°C (typical) over the rated temperature range,

with excellent linearity. The open-collector outputs are capable

of sinking 20 mA, enabling the TMP01 to drive control relays

directly. Operating from a 5 V supply, quiescent current is only

500 μA (max).

The TMP01 is available in 8-pin mini PDIP, SOIC, and TO-99

packages.

Rev. E

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

12 3 4 5 6 7...20

中文翻译

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