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SA56004GD 数据表(PDF) 36 Page - NXP Semiconductors

部件名 SA56004GD
功能描述  짹1 째C accurate, SMBus-compatible, 8-pin, remote/local digital temperature sensor with overtemperature alarms
PDF  36 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

SA56004GD 数据表(HTML) 36 Page - NXP Semiconductors

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NXP Semiconductors
SA56004X
Digital temperature sensor with overtemperature alarms
© NXP B.V. 2008.
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: 22 May 2008
Document identifier: SA56004X_5
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
20. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
4.1
Ordering options . . . . . . . . . . . . . . . . . . . . . . . . 2
5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
6
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
6.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
7
Functional description . . . . . . . . . . . . . . . . . . . 5
7.1
Serial bus interface . . . . . . . . . . . . . . . . . . . . . . 5
7.2
Slave address . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7.3
Register overview . . . . . . . . . . . . . . . . . . . . . . . 5
7.4
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . . 6
7.5
Starting conversion . . . . . . . . . . . . . . . . . . . . . . 7
7.6
Low power software standby mode . . . . . . . . . 7
7.7
Temperature data format . . . . . . . . . . . . . . . . . 7
7.8
SA56004X SMBus registers . . . . . . . . . . . . . . . 8
7.8.1
Command register . . . . . . . . . . . . . . . . . . . . . . 8
7.8.2
Local and remote temperature registers
(LTHB, LTLB, RTHB, RTLB) . . . . . . . . . . . . . . . 8
7.8.3
Configuration register (CON) . . . . . . . . . . . . . . 8
7.8.4
Status register (SR) . . . . . . . . . . . . . . . . . . . . . 9
7.8.5
Conversion rate register (CR) . . . . . . . . . . . . . 10
7.8.6
Temperature limit registers . . . . . . . . . . . . . . . 10
7.8.7
Programmable offset register (remote only) . . 11
7.8.8
ALERT mode register (AM) . . . . . . . . . . . . . . 11
7.8.9
Other registers . . . . . . . . . . . . . . . . . . . . . . . . 11
7.8.10
One-shot register . . . . . . . . . . . . . . . . . . . . . . 11
7.9
Interruption logic and functional description . . 12
7.9.1
ALERT output . . . . . . . . . . . . . . . . . . . . . . . . . 12
7.9.1.1
ALERT output in comparator mode . . . . . . . . 12
7.9.1.2
ALERT output in interrupt mode . . . . . . . . . . . 12
7.9.1.3
ALERT output in SMBus ALERT mode . . . . . 13
7.9.2
T_CRIT output . . . . . . . . . . . . . . . . . . . . . . . . 15
7.9.3
Fault Queue . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7.9.4
Remote diode selection . . . . . . . . . . . . . . . . . 17
7.9.5
Diode fault detection . . . . . . . . . . . . . . . . . . . . 17
7.10
SMBus interface . . . . . . . . . . . . . . . . . . . . . . . 18
7.10.1
Serial interface reset. . . . . . . . . . . . . . . . . . . . 20
8
Simplified system diagram . . . . . . . . . . . . . . . 20
9
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 21
10
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 22
11
Performance curves . . . . . . . . . . . . . . . . . . . . 25
12
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 27
13
Packing information. . . . . . . . . . . . . . . . . . . . . 30
14
Soldering of SMD packages . . . . . . . . . . . . . . 30
14.1
Introduction to soldering. . . . . . . . . . . . . . . . . 30
14.2
Wave and reflow soldering . . . . . . . . . . . . . . . 30
14.3
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 31
14.4
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 31
15
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
15.1
Printed-circuit board layout considerations . . 32
16
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 33
17
Revision history . . . . . . . . . . . . . . . . . . . . . . . 34
18
Legal information . . . . . . . . . . . . . . . . . . . . . . 35
18.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 35
18.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
18.3
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 35
18.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 35
19
Contact information . . . . . . . . . . . . . . . . . . . . 35
20
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36



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