參數(shù)資料
型號(hào)： DS28EA00U+T&R
廠商： Maxim Integrated
文件頁(yè)數(shù)： 2/29頁(yè)
文件大?。?/td> 328K
描述： IC THERMOMETER 1-WIRE 8-USOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 3,000
功能： 溫度計(jì)，恒溫計(jì)
傳感器類型： 內(nèi)部
感應(yīng)溫度： -40°C ~ 85°C
精確度： ±0.5°C（最小值）
拓?fù)洌?/td> 寄存器庫(kù)，變簽式暫存器
輸出類型： 數(shù)字
輸出警報(bào)： 是
輸出風(fēng)扇： 無(wú)
電源電壓： 3 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-uMAX
包裝： 帶卷 (TR)
1-Wire Digital Thermometer with
Sequence Detect and PIO
DS28EA00
2
Maxim Integrated
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(T
A
= -40癈 to +85癈.) (Note 1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IO Voltage Range to GND........................................-0.5V to +6V
IO Sink Current....................................................................20mA
Maximum PIOA or PIOB Pin Current...................................20mA
Maximum Current Through GND Pin ..................................40mA
Operating Temperature Range ...........................-40癈 to +85癈
Junction Temperature......................................................+150癈
Storage Temperature Range.............................-55癈 to +125癈
Soldering Temperature...........................Refer to the IPC/JEDEC
J-STD-020 Specification.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER SUPPLY
Supply Voltage
V
DD
(Note 2)
3.0
 
5.5
V
Supply Current (Note 3)
I
DD
V
DD
 = +5.5V
 
 
1.5
mA
Standby Current
I
DDS
V
DD
 = +5.5V
 
 
1.5
糀
IO PIN: GENERAL DATA
Local power
3.0
 
V
DD
1-Wire Pullup Voltage (Note 2)
V
PUP
Parasite power
3.0
 
5.5
V
1-Wire Pullup Resistance
R
PUP
(Notes 2, 4)
0.3
 
2.2
k
Input Capacitance
C
IO
 
(Notes 3, 5)
 
 
1000
pF
Input Load Current
I
L
IO pin at V
PUP
 
0.1
 
1.5
糀
High-to-Low Switching Threshold
V
TL
(Notes 3, 6, 7)
0.46
 
V
PUP
 -
1.9V
V
Parasite powered
 
 
0.5
Input Low Voltage (Notes 2, 8)
V
IL
V
DD
 powered (Note 3)
 
 
0.7
V
Low-to-High Switching Threshold
(Notes 3, 6, 9)
V
TH
Parasite power
1.0
 
V
PUP
 -
1.1V
V
Switching Hysteresis
(Notes 3, 6, 10)
V
HY
Parasite power
0.21
 
1.7
V
Output Low Voltage (Note 11)
V
OL
At 4mA
 
 
0.4
V
Standard speed, R
PUP
= 2.2k
5
 
 
Overdrive speed, R
PUP
= 2.2k
2
 
 
Recovery Time
(Notes 2, 12)
t
REC
Overdrive speed, directly prior to reset
pulse; R
PUP
= 2.2k
5
 
 
約
Standard speed
0.5
 
5.0
Rising-Edge Hold-Off Time
(Notes 3, 13)
t
REH
Overdrive speed
Not applicable (0)
約
Standard speed
65
 
 
Time-Slot Duration
(Notes 2, 14)
t
SLOT
Overdrive speed
8
 
 
約
IO PIN: 1-Wire RESET, PRESENCE-DETECT CYCLE
Standard speed
480
 
640
Reset Low Time (Note 2)
t
RSTL
Overdrive speed
48
 
80
約
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