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參數(shù)資料
| 型號： | DS2740U |
| 元件分類： | 通用總線功能 |
| 英文描述： | High-Precision Coulomb Counter |
| 中文描述： | 高精度庫侖計(jì) |
| 文件頁數(shù)： | 14/15頁 |
| 文件大小： | 248K |
| 代理商： | DS2740U |
DS2740
14 of 15
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
DD
, DQ, IS1, IS2, PIO, Relative to V
SS
Voltage on SNS, Relative to V
SS
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
-0.3V to +6V
-0.3V to +6V
-40°C to +85°C
-55°C to +125°C
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
(2.7V V
DD
5.5V; T
A
= 0 C to +70 C.)
PARAMETER
SYMBOL
Supply Voltage
V
DD
Data Pin
DQ
CONDITIONS
(Note 1)
(Note 1)
MIN
2.7
-0.3
TYP
MAX
5.5
+5.5
UNITS
V
V
DC ELECTRICAL CHARACTERISTICS
(2.7V V
DD
4.2V; T
A
= 0 C to +70 C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
50
MAX
65
85
UNITS
Active Current
I
ACTIVE
V
DD
= 5.5V
V
DD
= 2.0V,
DQ = PIO = V
SS
V
DD
= 4.2V,
DQ = PIO = V
SS
A
0.6
1.0
Sleep-Mode Current
I
SLEEP
0.9
1.25
A
Undervoltage Sleep
Threshold
V
UV
2.3
2.5
2.7
V
DS2740
DS27640B
1.56
6.25
51.2
Current Resolution
I
LSB
V
Current Full-Scale
Magnitude
Current Measurement
Offset (Auto
Calibrated)
I
FS
mV
DS2740 (Note 2)
-3
+1
+5
I
OERR
DS2740B (Note 2)
-2
0
+2
LSb
Current Gain Error
I
GERR
-1
+1
% of
reading
Accumulated Current
Resolution
Current Sample Clock
Frequency
q
CA
6.25
Vh
f
SAMP
18.6
kHz
V
DD
= 3.5V at +25°C
-1
-4
+1
+4
Timebase Accuracy
t
ERR
%
Input Logic High:
OVD
Input Logic High: DQ,
PIO
Input Logic Low:
OVD
V
IH
(Note 1)
V
DD
-
0.2V
V
V
IH
(Note 1)
1.5
V
V
IL
(Note 1)
V
SS
+ 0.2
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2740U/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Precision Coulomb Counter |
| DS2740U/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Precision Coulomb Counter |
| DS2740U/T&R | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| DS2740U+ | 功能描述:電池管理 High-Precision Coulomb Counter RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| DS2740U+T&R | 制造商:Maxim Integrated Products 功能描述:PRECISION COULOMB COUNTER 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC CURRENT GAUGE(15BIT) 8UMAX |
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