參數(shù)資料
型號(hào): DS2782
廠商: Maxim Integrated Products, Inc.
英文描述: Stand-Alone Fuel Gauge IC
中文描述: 獨(dú)立式電量計(jì)IC
文件頁(yè)數(shù): 3/25頁(yè)
文件大?。?/td> 291K
代理商: DS2782
DS2782: Stand-Alone Fuel Gauge IC
3 of 25
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
% Full-
Scale
Current Gain Error
I
GERR
(Note 3)
±1
Current Offset Error
I
OERR
0°C
T
A
+70°C,
2.5V
V
DD
4.2V
(Note 5)
0°C
T
A
+70°C,
2.5V
V
DD
4.2V
V
SNS
= V
SS
, (Notes 4, 5)
V
DD
= 3.8V, T
A
= +25°C
0°C
T
A
+70°C,
2.5V
VDD
4.2V
- 7.82
+ 12.5
μV
Accumulated Current Offset
q
OERR
- 188
+ 0
μVhr/
day
±1
±2
Timebase Error
t
ERR
±3
%
ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(2.5V V
DD
5.5V, T
A
= -20 C to +70 C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 6)
0
400
KHz
Bus Free Time Between a STOP
and START Condition
Hold Time (Repeated)
START Condition
tBUF
1.3
μs
tHD:STA
(Note 7)
0.6
μs
Low Period of SCL Clock
tLOW
1.3
μs
High Period of SCL Clock
tHIGH
0.6
μs
Setup Time for a Repeated
START Condition
tSU:STA
0.6
μs
Data Hold Time
tHD:DAT
(Note 8, 9)
0
0.9
μs
Data Setup Time
tSU:DAT
(Note 8)
100
ns
Rise Time of Both SDA and
SCL Signals
Fall Time of Both SDA and
SCL Signals
Setup Time for STOP
Condition
Spike Pulse Widths Suppressed
by Input Filter
Capacitive Load for Each Bus
Line
tR
20 + 0.1C
B
300
ns
tF
20 + 0.1C
B
300
ns
tSU:STO
0.6
μs
tSP
(Note 10)
0
50
ns
CB
(Note 11)
400
pF
SCL, SDA Input Capacitance
C
BIN
60
pF
EEPROM RELIABILITY SPECIFICATION
(V
CC
= 2.5V to 5.5V; T
A
= -20°C to +70°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Copy Time
t
EEC
10
ms
EEPROM Copy Endurance
N
EEC
T
A
= +50°C
50,000
cycles
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