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PCA9512ADP(2009) Просмотр технического описания (PDF) - NXP Semiconductors.

Номер в каталоге
Компоненты Описание
производитель
PCA9512ADP
(Rev.:2009)
NXP
NXP Semiconductors. NXP
PCA9512ADP Datasheet PDF : 23 Pages
First Prev 21 22 23
NXP Semiconductors
PCA9512A
Level shifting hot swappable I2C-bus and SMBus bus buffer
19. Contents
1
General description . . . . . . . . . . . . . . . . . . . . . . 1
2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4
Feature selection . . . . . . . . . . . . . . . . . . . . . . . . 2
5
Ordering information . . . . . . . . . . . . . . . . . . . . . 2
6
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7
Pinning information . . . . . . . . . . . . . . . . . . . . . . 4
7.1
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
7.2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4
8
Functional description . . . . . . . . . . . . . . . . . . . 4
8.1
Start-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
8.2
Connect circuitry. . . . . . . . . . . . . . . . . . . . . . . . 5
8.3
Maximum number of devices in series . . . . . . . 5
8.4
Propagation delays . . . . . . . . . . . . . . . . . . . . . . 6
8.5
Rise time accelerators . . . . . . . . . . . . . . . . . . . 7
8.6
ACC boost current enable. . . . . . . . . . . . . . . . . 7
8.7
Resistor pull-up value selection . . . . . . . . . . . . 7
8.8
Hot swapping and capacitance buffering
application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9
Application design-in information . . . . . . . . . 11
10
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 11
11
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 12
11.1
Typical performance characteristics . . . . . . . . 14
12
Test information . . . . . . . . . . . . . . . . . . . . . . . . 15
13
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 16
14
Soldering of SMD packages . . . . . . . . . . . . . . 18
14.1
Introduction to soldering . . . . . . . . . . . . . . . . . 18
14.2
Wave and reflow soldering . . . . . . . . . . . . . . . 18
14.3
Wave soldering . . . . . . . . . . . . . . . . . . . . . . . . 18
14.4
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . 19
15
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 20
16
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 21
17
Legal information. . . . . . . . . . . . . . . . . . . . . . . 22
17.1
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 22
17.2
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
17.3
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
17.4
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
18
Contact information. . . . . . . . . . . . . . . . . . . . . 22
19
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
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. 2009.
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: 19 August 2009
Document identifier: PCA9512A_4

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