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| 型號： | LM75DM-33R2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 2-Wire Serial Temperature Sensor and Monitor |
| 中文描述： | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 3Cel, SQUARE, SURFACE MOUNT |
| 封裝： | PLASTIC, MICROPAK-8 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 150K |
| 代理商： | LM75DM-33R2 |
Semiconductor Components Industries, LLC, 1999
February, 2000 – Rev. 0
1
Publication Order Number:
LM75/D
The LM75 is a serially programmable temperature sensor that
notifies the host controller when ambient temperature exceeds a
user–programmed setpoint. Hysteresis is also programmable. The
INT/CMPTR output is programmable as either a simple comparator
for thermostat operation or as a temperature event interrupt.
Communication with the LM75 is accomplished via a two–wire bus
that is compatible with industry standard protocols. This permits
reading the current temperature, programming the setpoint and
hysteresis, and configuring the device.
The LM75 powers up in Comparator Mode with a default setpoint
of 80
°
C with 5
°
C hysteresis. Defaults allow independent operation as
a stand–alone thermostat. A shutdown command may be sent via the
2–wire bus to activate the low–power standby mode. Address
selection inputs allow up to eight LM75’s to share the same 2–wire bus
for multi–zone monitoring.
All registers can be read by the host and the INT/CMPTR output’s
polarity is user programmable. Both polled and interrupt driven
systems are easily accommodated. Small physical size, low installed
cost, and ease of use make the LM75 an ideal choice for implementing
sophisticated system management schemes.
Features
Temperature Sensing: 0.5
°
C Accuracy (Typ.)
Operates from: 55
°
C to +125
°
C
Operating Range: 2.7V – 5.5V
Programmable Trip Point and Hysteresis with
Power–up Defaults
Standard 2–Wire Serial Interface
Thermal Event Alarm Output Functions as Interrupt or Comparator /
Thermostat Output
Up to 8 LM75’s May Share the Same Bus
Shutdown Mode for Low Standby Power Consumption
5V Tolerant I/O at VDD
= 3V
Low Power 250
μ
A (Typ.) Operating, 1
μ
A (Typ.)
Shutdown Mode
Typical Applications
Thermal Protection for High Performance CPUs
Solid–State Thermometer
Fire/Heat Alarms
Thermal Management in Electronic Systems:
Computers
Telecom Racks
Power Supplies / UPS
Copiers / Office Electronics
Consumer Electronics / Amplifiers
Process Control
Micro8
DM SUFFIX
CASE TBD
PRELIMINARY INFORMATION
http://onsemi.com
PIN CONFIGURATION
(Top View)
Device
Package
Shipping
ORDERING INFORMATION
LM75DM–33R2
Micro–8
2500 Tape/Reel
1
2
3
4
SDA
SCL
INT/CMPTR
GND
8
7
6
5
V
A0
A1
A2
DD
LM75
LM75DM–50R2
Micro–8
2500 Tape/Reel
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM75DM-50R2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM76 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:【0.5∑C, 【1∑C, 12-Bit Sign Digital Temperature Sensor and Thermal Window Comparator with Two-Wire Interface |
| LM76 WAF | 制造商:Texas Instruments 功能描述: |
| LM760 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Speed Differential Comparator |
| LM760 WAF | 制造商:Texas Instruments 功能描述: |
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