參數(shù)資料
型號: LTC4315IMS#TRPBF
廠商: Linear Technology
文件頁數(shù): 4/20頁
文件大?。?/td> 0K
描述: IC 2WIRE BUS BUFFER 12MSOP
標準包裝: 2,500
類型: 2線總線緩沖器
Tx/Rx類型: I²C Logic
電容 - 輸入: 10pF
電源電壓: 2.9 V ~ 5.5 V
電流 - 電源: 8.1mA
安裝類型: 表面貼裝
封裝/外殼: 12-TSSOP(0.118",3.00mm 寬)
供應商設備封裝: 12-MSOP
包裝: 帶卷 (TR)
LTC4315
12
4315f
APPLICATIONS INFORMATION
LIVE INSERTION, CAPACITANCE BUFFERING AND
LEVEL TRANSLATION APPLICATION
Figures 6 illustrates an application of the LTC4315 that
takes advantage of the LTC4315’s Hot Swap, capacitance
buffering and level translation features. If the I/O cards
were plugged directly into the backplane without LTC4315
buffers, all of the backplane and card capacitances would
directly add together, making rise time requirements dif-
ficult to meet. Placing an LTC4315 on the edge of each
card isolates the card capacitance from the backplane.
For a given I/O card, the LTC4315 drives the capacitance
of everything on the card and devices on the backplane
must drive only the small capacitance of the LTC4315
which is <10pF.
Figure 6. LTC4315 in an I2C Hot Swap Application with a Staggered Connector
R7
10k
R5
10k
R6
10k
LTC4315
GND
VCC
VCC2
ACC
SCLOUT
SDAOUT
DISCEN
READY
FAULT
SCLIN
SDAIN
ENABLE
C2
0.01μF
CARD 1_SCL
CARD 1_SDA
CARD N_SCL
CARD N_SDA
C1
0.01μF
R10
10k
4315 F06
R8
10k
I/O PERIPHERAL CARD N
I/O PERIPHERAL CARD 1
CARD
CONNECTOR
BACKPLANE
CONNECTOR
R9
10k
LTC4315
GND
VCC
VCC2
ACC
SCLOUT
SDAOUT
DISCEN
READY
FAULT
SCLIN
SDAIN
ENABLE
C4
0.01μF
C3
0.01μF
R3
10k
R4
10k
R1
10k
R2
10k
READY
FAULT
SCL
SDA
ENABLE 1
5V
3.3V
ENABLE N
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