參數(shù)資料
型號(hào): PCA9512DP
廠商: NXP SEMICONDUCTORS
元件分類: 其它接口
英文描述: Level shifting hot swappable I2C and SMBus buffer
中文描述: SPECIALTY INTERFACE CIRCUIT, PDSO8
封裝: 3 MM, PLASTIC, SOT-505-1, TSSOP-8
文件頁(yè)數(shù): 3/16頁(yè)
文件大?。?/td> 176K
代理商: PCA9512DP
Philips Semiconductors
Product data sheet
PCA9512
Level shifting hot swappable I
2
C and SMBus buffer
2004 Oct 05
3
TYPICAL APPLICATION
SCLOUT
SDAOUT
R2
10 k
R1
10 k
C2
0.01
μ
F
PCA9512
GND
SCLIN
SDAIN
V
5 V
ACC
SW02068
R3
10 k
C1
0.01
μ
F
R4
10 k
C3*
0.01
μ
F
C4*
0.01
μ
F
C5*
0.01
μ
F
C6*
0.01
μ
F
SCL
SDA
CARD_SCL
CARD_SDA
V
CC
V
CC2
CARD_V
CC
3 V
* CAPACITORS NOT REQUIRED IF BUS IS SUFFICIENTLY LOADED
R5
10 k
Figure 2. Typical application
BLOCK DIAGRAM
2
SCLOUT
0.5 pF
RD
S
QB
UVLO
20 pF
STOP BIT AND
BUS IDLE
95
μ
s
DELAY
0.5
μ
A
UVLO
0.55V
CC
/
0.45V
CC
2 mA
SLEW RATE
DETECTOR
BACKPLANE-TO-CARD
CONNECTION
2 mA
SLEW RATE
DETECTOR
3
SCLIN
CONNECT
4
GND
SW02069
100 k
RCH4
100 k
RCH3
100 k
RCH2
100 k
RCH1
CONNECT
7
SDAOUT
CONNECT
2 mA
SLEW RATE
DETECTOR
BACKPLANE-TO-CARD
CONNECTION
2 mA
SLEW RATE
DETECTOR
CONNECT
6
SDAIN
1 VOLT
PRECHARGE
8
V
CC
CONNECT
1
V
CC2
A
CC
A
CC
5
ACC
CONNECT
CONNECT
0.55V
CC
/
0.45V
CC
Figure 3. Block diagram.
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