参数资料
型号: DS2740BU+T&R
厂商: Maxim Integrated
文件页数: 16/16页
文件大小: 304K
描述: IC CURRENT GAUGE(15BIT) 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 3,000
功能: 电流计(13 位)
输入电压: 2.7 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)
DS2740
 
16 of 16
 
 
Input Logic Low: DQ,
PIO
V
IL
(Note 1)
 
 
0.6
V
Output Logic Low:
DQ, PIO
V
OL
I
OL
= 4mA (Note 1)
 
 
0.4
V
DQ, PIO Input
Pulldown Current
I
PD
V
DD
= 4.2V,
V
DQ
= 0.4V
 
0.5
 
OVD Input Leakage
IL
OVD
PIO bit = 1
-1
 
1
DQ Capacitance
C
DQ
 
 
 
50
pF
DQ Low to Sleep Time
t
SLEEP
(Note 3)
2.0
 
2.4
s
 
ELECTRICAL CHARACTERISTICS: 1-Wire INTERFACESTANDARD SPEED
(2.7V d V
DD
 d 5.5V; T
A
 = -20癈 to +70癈.) 
PARAMETER
SYMBOL
MIN     TYP     MAX    UNITS
Time Slot
t
SLOT
60
 
120
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Recovery Time
t
REC
1
 
 
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Write 0 Low Time
t
LOW0
60
 
120
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Write 1 Low Time
t
LOW1
1
 
15
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Read Data Valid
t
RDV
 
 
15
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Reset Time High
t
RSTH
480
 
 
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Reset Time Low
t
RSTL
480
 
960
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Presence Detect High
t
PDH
15
 
60
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Presence Detect Low
t
PDL
60
 
240
?SPAN class="pst DS2740U-T-R_2470354_2">s 
 
ELECTRICAL CHARACTERISTICS: 1-Wire INTERFACEOVERDRIVE SPEED
 
 
(2.7V d V
DD
 d 5.5V; T
A
 = -20癈 to +70癈.) 
PARAMETER
SYMBOL
MIN     TYP     MAX    UNITS
Time Slot
t
SLOT
6
 
16
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Recovery Time
t
REC
1
 
 
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Write 0 Low Time
t
LOW0
6
 
16
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Write 1 Low Time
t
LOW1
1
 
2
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Read Data Valid
t
RDV
 
 
2
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Reset Time High
t
RSTH
48
 
 
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Reset Time Low
t
RSTL
48
 
80
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Presence Detect High
t
PDH
2
 
6
?SPAN class="pst DS2740U-T-R_2470354_2">s 
Presence Detect Low
t
PDL
8
 
24
?SPAN class="pst DS2740U-T-R_2470354_2">s 
 
Note 1:     All voltages are referenced to V
SS
.
Note 2:
Offset performance requires proper circuit layout design free of surface contaminants.
Note 3:     The DS2740 enters the Sleep mode 2.0s to 2.4s after DQ goes low. 
 
 
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