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参数资料
| 型号： | DS18B20-SL+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 19/22页 |
| 文件大小： | 528K |
| 描述： | IC THERM MICROLAN PROG-RES TO-92 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 125°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | 寄存器库，变签式暂存器 |
| 输出类型： | 1-Wire? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 带卷 (TR) |
DS18B20
19 of 22
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground .................................................................. -0.5V to +6.0V
Operating Temperature Range ....................................................................................... -55癈 to +125癈
Storage Temperature Range ........................................................................................... -55癈 to +125癈
Solder Temperature ..................................................... Refer to the IPC/JEDEC J-STD-020 Specification.
These are stress ratings 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.
DC ELECTRICAL CHARACTERISTICS
(-55癈 to +125癈; V
DD
=3.0V to 5.5V)
PARAMETER SYMBOL CONDITIONS MIN TYP
MAX
UNITS NOTES
Su l Volta e
V
Local Power
+3.0
+5.5
V
1
Pullup Supply
Voltage
V
PU
Parasite Power
+3.0
+5.5
V
1,2
Local Power
+3.0
V
DD
Thermometer
Error
t
ERR
-10癈 to +85癈
?.5
癈
3
-55癈 to +125癈
?
In ut Lo ic-Low
V
IL
-0.3
+0.8
V
1 4 5
Input Logic-High
V
IH
Local Power
+2.2
The lower of
5.5
or
V
DD
+ 0.3
V
1, 6
Parasite Power
+3.0
Sink Current
I
L
V
I
= 0.4V
4.0
mA
1
Standb Current
I
750
1000
nA
7 8
A i
rr n
I
=
1
1
mA
D In ut Current
I
DQ
5
礎
10
Drift
?.2
癈
11
NOTES:
1) All voltages are referenced to ground.
2) The Pullup Supply Voltage specification assumes that the pullup device is ideal, and therefore the
high level of the pullup is equal to V
PU
. In order to meet the V
IH
spec of the DS18B20, the actual
supply rail for the strong pullup transistor must include margin for the voltage drop across the
transistor when it is turned on; thus: V
PU_ACTUAL
= V
PU_IDEAL
+ V
TRANSISTOR
.
3) See typical performance curve in Figure 17.
4) Logic-low voltages are specified at a sink current of 4mA.
5) To guarantee a presence pulse under low voltage parasite power conditions, V
ILMAX
may have to be
reduced to as low as 0.5V.
6) Logic-high voltages are specified at a source current of 1mA.
7) Standby current specified up to +70癈. Standby current typically is 3礎 at +125癈.
8) To minimize I
DDS
, DQ should be within the following ranges: GND d DQ d GND + 0.3V or
V
DD
0.3V d DQ d V
DD
.
9) Active current refers to supply current during active temperature conversions or EEPROM writes.
10) DQ line is high ( high-Z state).
11) Drift data is based on a 1000-hour stress test at +125癈 with V
DD
= 5.5V.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS18B20U | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS18B20U/T&R | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER USOP T&R - Tape and Reel |
| DS18B20U/T&R-W | 制造商:Maxim Integrated Products 功能描述:1-WIRE DIGITAL THERMOMETER USOP T&R - Tape and Reel |
| DS18B20U/T&R | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS18B20U+ | 功能描述:板上安装温度传感器 Prgmble Resolution 1-Wire Parasite Pwr RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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