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| 型号： | DS1822Z/T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 19/21页 |
| 文件大小： | 0K |
| 描述： | IC THERMOMETER ECONO DIG 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 感应温度： | -55°C ~ 125°C |
| 输出类型： | 数字 |
| 电源电压： | 3 V ~ 5 V |
| 精确度： | ±2°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
DS1822
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Storage Temperature Range
Solder Dip Temperature
Reflow Oven Temperature
-0.5V to +6.0V
-55 ° C to +125 ° C
-55 ° C to +125 ° C
See IPC/JEDEC J-STD-020A Specification
+220°C
*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
PARAMETER SYMBOL CONDITION
Supply Voltage V DD Local Power
Pullup Supply V PU Parasite Power
Voltage Local Power
Thermometer Error t ERR -10°C to
+85°C
-55°C to
+125°C
Input Logic Low V IL
Input Logic High V IH Local Power
Parasite Power
(-55°C to +125°C; V DD = 3.0V to 5.5V)
MIN TYP MAX UNITS NOTES
+3.0 +5.5 V 1
+3.0 +5.5 V 1, 2
+3.0 V DD
±2 °C 3
±3
-0.3 +0.8 V 1, 4, 5
+2.2 The lower of V 1, 6
5.5
+3.0 or
V DD + 0.3
V I/O
Sink Current I L = 0.4V
Standby Current I DDS
V DD
Active Current I DD = 5V
DQ Input Current I DQ
Drift
NOTES:
1. All voltages are referenced to ground.
4.0
750
1
5
±0.2
1000
1.5
mA
nA
mA
μA
°C
1
7, 8
9
10
11
2.
3.
4.
5.
6.
7.
8.
9.
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 DS1822, 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 .
See typical performance curve in Figure 17.
Logic low voltages are specified at a sink current of 4mA.
To guarantee a presence pulse under low voltage parasite power conditions, V ILMAX may have to be
reduced to as low as 0.5V.
Logic high voltages are specified at a source current of 1mA.
Standby current specified up to +70 ° C. Standby current typically is 3 μ A at +125 ° C.
To minimize I DDS , DQ should be within the following ranges: GND ≤ DQ ≤ GND + 0.3V or V DD -
0.3V ≤ DQ ≤ V DD .
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°C with V DD = 5.5V.
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| DS1825 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID |
| DS1825U | 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 |
| DS1825U/T&R | 制造商:Maxim Integrated Products 功能描述:1-W PROGRAMMABLE DGT THERM 8P USOP - Tape and Reel |
| DS1825U/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 |
| DS1825U/TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable Resolution 1-Wire Digital Thermometer With 4-Bit ID |
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