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参数资料
| 型号： | DS18B20-PAR+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 17/19页 |
| 文件大小： | 221K |
| 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 ~ 100°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 ~ 100°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-PAR
17 of 19
ABSOLUTE MAXIMUM RATINGS*
Voltage on any pin relative to ground
0.5V to +6.0V
Operating temperature
55癈 to +100癈
Storage temperature
55癈 to +125癈
Soldering temperature
See J-STD-020A 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 +100癈; V
PU
=3.0V to 5.5V)
PARAMETER
SYMBOL
CONDITION MIN TYP
MAX UNITS NOTES
Pullup Supply
Voltage
V
PU
3.0
5.5
V
1,2
Thermometer Error
t
ERR
-10癈 to +85癈
苯
-55癈 to +100癈
?
癈
3
Input Logic Low
V
IL
-0.3
+0.8
V
1,4,5
Input Logic High
V
IH
3.0
5.5
V
1,6
Sink Current
I
L
V
I/O
=0.4V
4.0
mA
1
Active Current
I
DQA
1
1.5
mA
7
DQ Input Current
I
DQ
5
礎
8
Drift
?.2
癈
9
NOTES:
1. All voltages are referenced to ground.
2. The Pullup Supply Voltage specification assumes that the pullup device (resistor or transistor) 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-PAR, 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 16.
4. Logic low voltages are specified at a sink current of 4 mA.
5. To always 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 1 mA.
7. Active current refers to supply current during active temperature conversions or EEPROM writes.
8. DQ line is high ( hi-Z state).
9. Drift data is based on a 1000 hour stress test at 125癈.
AC ELECTRICAL CHARACTERISTICS: NV MEMORY
(-55癈 to +100癈; V
PU
=3.0V to 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NV Write Cycle Time
t
wr
2
10
ms
EEPROM Writes
N
EEWR
-55癈 to +55癈
50k
writes
EEPROM Data Retention
t
EEDR
-55癈 to +55癈
10
years
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相关代理商/技术参数 |
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| DS18B20-SL | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Programmable Resolution 1-Wire Digital Thermometer |
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| DS18B20-SL+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL SERL (1-WIRE) - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN PROG-RES TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |
| DS18B20-SL+T&R | 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 |
| 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 |
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