参数资料
型号: DS2745U+T&R
厂商: Maxim Integrated Products
文件页数: 3/15页
文件大小: 0K
描述: IC BATT MONITOR I2C 8-UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
功能: 燃料,电量检测计/监控器
电池化学: 锂离子(Li-Ion);镍金属氢化物(NiMH)
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-uMAX
包装: 带卷 (TR)
DS2745 Low-Cost I 2 C Battery Monitor
±2
-20°C ≤ T A ≤ +70°C,
2.5V ≤ V DD ≤ 4.5V
±3
Input Resistance, VIN
R IN
15
M ?
Input Logic High:
SCL, SDA, PIO
Input Logic Low:
SCL, SDA, PIO
Output Logic Low:
SDA, PIO
Pulldown Current: SCL,
SDA, PIO
Input Capacitance: SCL,
SDA
SLEEP Timeout
V IH
V IL
V OL
I PD
C BUS
t SLEEP
(Note 1)
(Note 1)
I OL = 4mA (Note 1)
(Note 3)
1.5
0.25
0.6
0.4
50
2.2
V
V
V
? A
pF
S
2-WIRE INTERFACE TIMING SPECIFICATIONS
(V DD = 2.5V to 4.5V, T A = -20 ? C to +70 ? C.)
PARAMETER SYMBOL CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
Bus Free Time Between a
STOP and START Condition
Hold Time (Repeated)
START Condition
Low Period of SCL Clock
High Period of SCL Clock
Setup Time for a Repeated
START Condition
Data Hold Time
Data Setup Time
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
SCL, SDA Input
Capacitance
fSCL
tBUF
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tSP
CB
C BIN
(Note 6)
(Note 7)
(Note 8, 9)
(Note 8)
(Note 10)
(Note 11)
0
1.3
0.6
1.3
0.6
0.6
0
100
20 + 0.1C B
20 + 0.1C B
0.6
0
400
0.9
300
300
50
400
60
KHz
μs
μs
μs
μs
μs
μs
ns
ns
ns
μs
ns
pF
pF
3 of 15
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