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參數(shù)資料
| 型號： | PCA9544ADWT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 4-CHANNEL IC AND SMBus MULTIPLEXER WITH INTERRUPT LOGIC |
| 中文描述： | 4通道多路轉換集成電路和SMBus與中斷邏輯 |
| 文件頁數(shù)： | 9/23頁 |
| 文件大小： | 578K |
| 代理商： | PCA9544ADWT |
www.ti.com
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
Recommended Operating Conditions
(1)
PCA9544A
4-CHANNEL I
2
C AND SMBus MULTIPLEXER
WITH INTERRUPT LOGIC
SCPS146A–OCTOBER 2005–REVISED OCTOBER 2005
MIN
–0.5
–0.5
MAX
UNIT
V
V
mA
mA
mA
mA
V
CC
V
I
I
I
I
O
Supply voltage range
Input voltage range
(2)
Input current
Output current
Continuous current through V
CC
Continuous current through GND
7
7
±
20
±
25
±
100
±
100
92
58
78
83
TBD
37
400
150
85
DGV package
(3)
DW package
(3)
GQN package
(3)
PW package
(3)
RGW package
(4)
RGY package
(4)
θ
JA
Package thermal impedance
°
C/W
P
tot
T
stg
T
A
Total power dissipation
Storage temperature range
Operating free-air temperature range
mW
°
C
°
C
–65
–40
(1)
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
The input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are observed.
The package thermal impedance is calculated in accordance with JESD 51-7.
The package thermal impedance is calculated in accordance with JESD 51-5.
(2)
(3)
(4)
MIN
2.3
MAX
5.5
UNIT
V
V
CC
Supply voltage
SCL, SDA
A2–A0, INT3–INT0
SCL, SDA
A2–A0, INT3–INT0
0.7
×
V
CC
0.7
×
V
CC
6
V
IH
High-level input voltage
V
V
CC
+ 0.5
0.3
×
V
CC
0.3
×
V
CC
–0.5
–0.5
–40
V
IL
Low-level input voltage
V
T
A
Operating free-air temperature
85
°
C
(1)
All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
9
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