LM75BD(2008) View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
LM75BD Datasheet PDF : 37 Pages
| |||
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
20. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1 18
Legal information . . . . . . . . . . . . . . . . . . . . . . 35
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1 18.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 35
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 18.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 3 18.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 3 18.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 36
19
Contact information . . . . . . . . . . . . . . . . . . . . 36
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
20
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
7
Functional description . . . . . . . . . . . . . . . . . . . 5
7.1
7.2
7.2.1
7.3
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.5
7.6
7.7
7.8
7.9
7.10
General operation . . . . . . . . . . . . . . . . . . . . . . . 5
I2C-bus serial interface . . . . . . . . . . . . . . . . . . . 7
Bus fault time-out . . . . . . . . . . . . . . . . . . . . . . . 7
Slave address . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Register list . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pointer register . . . . . . . . . . . . . . . . . . . . . . . . . 8
Configuration register . . . . . . . . . . . . . . . . . . . . 8
Temperature register . . . . . . . . . . . . . . . . . . . . 9
Overtemperature shutdown threshold
(Tos) and hysteresis (Thyst) registers. . . . . . . 10
OS output and polarity . . . . . . . . . . . . . . . . . . 11
OS comparator and interrupt modes . . . . . . . 11
OS fault queue . . . . . . . . . . . . . . . . . . . . . . . . 12
Shutdown mode . . . . . . . . . . . . . . . . . . . . . . . 12
Power-up default and power-on reset . . . . . . 12
Protocols for writing and reading the registers 13
8
Application design-in information . . . . . . . . . 16
8.1
Typical application . . . . . . . . . . . . . . . . . . . . . 16
8.2
LM75A and LM75B comparison . . . . . . . . . . . 16
8.3
Temperature accuracy . . . . . . . . . . . . . . . . . . 17
8.4
Noise effect. . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 19
10
Recommended operating conditions. . . . . . . 19
11
Static characteristics. . . . . . . . . . . . . . . . . . . . 20
12
Dynamic characteristics . . . . . . . . . . . . . . . . . 22
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 23
14
Soldering of SMD packages . . . . . . . . . . . . . . 27
14.1
Introduction to soldering . . . . . . . . . . . . . . . . . 27
14.2
Wave and reflow soldering . . . . . . . . . . . . . . . 27
14.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 27
14.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 28
15
Soldering: PCB footprints. . . . . . . . . . . . . . . . 30
16
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 34
17
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 34
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2015.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 6 February 2015
Document identifier: LM75B
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