LM75BD,112 NXP Semiconductors, LM75BD,112 Datasheet - Page 29

• Manufacturer Part Number: LM75BD,112
• Description: IC TEMP SENSOR DIGITAL 8-SOIC
• Manufacturer: NXP Semiconductors

Specifications of LM75BD,112

• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Oscillator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935285837112; LM75BD; LM75BD

NXP Semiconductors
19. Contents
1
2
3
4
5
6
6.1
6.2
7
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
8
8.1
8.2
8.3
8.4
9
10
11
12
13
14
14.1
14.2
14.3
14.4
15
16
17
17.1
17.2
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pinning information . . . . . . . . . . . . . . . . . . . . . . 3
Functional description . . . . . . . . . . . . . . . . . . . 4
Application design-in information . . . . . . . . . 15
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 17
Recommended operating conditions. . . . . . . 17
Static characteristics. . . . . . . . . . . . . . . . . . . . 18
Dynamic characteristics . . . . . . . . . . . . . . . . . 20
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 21
Soldering of SMD packages . . . . . . . . . . . . . . 24
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 27
Legal information. . . . . . . . . . . . . . . . . . . . . . . 28
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
General operation . . . . . . . . . . . . . . . . . . . . . . . 4
I
Bus fault time-out . . . . . . . . . . . . . . . . . . . . . . . 6
Slave address . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Register list . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pointer register . . . . . . . . . . . . . . . . . . . . . . . . . 7
Configuration register . . . . . . . . . . . . . . . . . . . . 7
Temperature register. . . . . . . . . . . . . . . . . . . . . 8
Overtemperature shutdown threshold (Tos)
and hysteresis (Thyst) registers . . . . . . . . . . . . 9
OS output and polarity . . . . . . . . . . . . . . . . . . 10
OS comparator and interrupt modes . . . . . . . 10
OS fault queue . . . . . . . . . . . . . . . . . . . . . . . . 11
Shutdown mode . . . . . . . . . . . . . . . . . . . . . . . 11
Power-up default and power-on reset . . . . . . . 11
Protocols for writing and reading the registers 12
Typical application. . . . . . . . . . . . . . . . . . . . . . 15
LM75A and LM75B comparison . . . . . . . . . . . 15
Temperature accuracy . . . . . . . . . . . . . . . . . . 16
Noise effect. . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Introduction to soldering . . . . . . . . . . . . . . . . . 24
Wave and reflow soldering . . . . . . . . . . . . . . . 24
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 24
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 25
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 28
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2
C-bus serial interface . . . . . . . . . . . . . . . . . . . 6
17.3
17.4
18
19
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. 2008.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Digital temperature sensor and thermal watchdog
Contact information . . . . . . . . . . . . . . . . . . . . 28
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Date of release: 9 December 2008
Document identifier: LM75B_2
All rights reserved.
LM75B