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DS2745 bảng dữ liệu(PDF) 2 Page - Maxim Integrated Products

tên linh kiện DS2745
Giải thích chi tiết về linh kiện  Low-Cost I2C Battery Monitor
PDF  15 Pages
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nhà sản xuất  MAXIM [Maxim Integrated Products]
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DS2745 bảng dữ liệu(HTML) 2 Page - Maxim Integrated Products

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DS2745 Low-Cost I
2C Battery Monitor
2 of 15
ABSOLUTE MAXIMUM RATINGS*
Voltage on All Pins Relative to VSS
-0.3V to +6V
Operating Temperature Range
-40°C to +85°C
Storage Temperature Range
-55°C to +125°C
Soldering Temperature
See IPC/JEDECJ-STD-020A
* This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(2.5V
 VDD  4.5V; TA = 0C to +70C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VDD
(Note 1)
+2.5
+4.5
V
Serial Data I/O Pin
SDA
(Note 1)
-0.3
+5.5
V
Serial Clock Pin
SCL
(Note 1)
-0.3
+5.5
V
Programmable I/O Pin
PIO
(Note 1)
-0.3
+5.5
V
VIN Pin
VIN
(Note 1)
-0.3
VDD +0.3
V
DC ELECTRICAL CHARACTERISTICS
(2.5V
 VDD  4.5V; TA = 0C to +70C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
70
100
Active Current
IACTIVE
VDD = 4.5V
105
A
Sleep-Mode Current
ISLEEP
SCL = SDA = VSS,
PIO = VSS
1
3
A
Current Resolution
ILSB
1.56
V/R
Current Full-Scale
Magnitude
IFS
(Note 1)
51.2
mV/R
Current Offset
IOERR
(Note 2)
-7.82
+12.5
V/R
Current Gain Error
IGERR
-1.0
+1.0
% of
reading
Accumulated Current
Resolution
qCA
6.25
Vh/R
Accumulated Current
Offset
qOERR
VSNS = VSS, (Notes 4, 5)
-188
+0
µVh/R
per day
Voltage Resolution
VLSB
4.88
mV
Voltage Full-Scale
VFS
0
4.992
V
Voltage Error
VGERR
(Note 12)
-25
+25
mV
Temperature Resolution
TLSB
0.125
°C
Temperature Error
TERR
-3
+3
ºC
Current Sample Clock
Frequency
fSAMP
18.6
kHz
Timebase Accuracy
tERR
VDD = 3.8V, TA = +25°C
±1
%



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