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PCA9512BDP 数据表(PDF) 13 Page - NXP Semiconductors

部件名 PCA9512BDP
功能描述  Level shifting hot swappable I2C-bus and SMBus bus buffer
PDF  27 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

PCA9512BDP 数据表(HTML) 13 Page - NXP Semiconductors

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PCA9512A_PCA9512B
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2013. All rights reserved.
Product data sheet
Rev. 6 — 1 March 2013
13 of 27
NXP Semiconductors
PCA9512A; PCA9512B
Level shifting hot swappable I2C-bus and SMBus bus buffer
8.11 Additional system compromises
• Additional parts
• Additional assembly cost
• Reduced system reliability due to complexity
• Reduced logic level noise margin (immunity)
• Sensitivity to ground offsets between sub-systems (cable links, for example)
• Increased loading on the low voltage side (must carry the high voltage side
sink current)
• ESD robustness
9.
Application design-in information
Fig 10. Typical application
002aab794
ACC
GND
R5
10 kΩ
R3
10 kΩ
R4
10 kΩ
SDAOUT
SCLOUT
C2
0.01 μF
R1
10 kΩ
R2
10 kΩ
VCC
(5 V)
SDAIN
SCLIN
PCA9512A
SDA
SCL
VCC
VCC2
C1
0.01 μF
CARD_VCC (3 V)
CARD_SDA
CARD_SCL



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