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参数资料
| 型号： | DS1821S+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT |
| 封装： | 0.208 INCH, LEAD FREE, SOIC-8 |
| 文件页数： | 7/20页 |
| 文件大小： | 543K |
| 代理商： | DS1821S+ |
DS1821
15 of 18
ABSOLUTE MAXIMUM RATINGS*
Voltage on any pin relative to ground
–0.5V to +7.0V
Operating temperature
–55
°C to +125°C
Storage temperature
–55
°C to +125°C
Soldering temperature
See-JTD-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°C to +125°C; VDD=2.7V to 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
VDD
+2.7
+5.5
1
tERR
0°C to +85°C
VDD = 3.6V to 5.5V
±1
°C
2,3,4
Thermometer
Error
-55°C to +125°C
VDD = 3.6V to 5.5V
See Typical Curve (Figure 11)
DQ Logic Low
VIL
-0.3
+0.8
V
1,5
DQ Logic High
VIH
+2
The lower of
+5.5
or
VDD + 0.3
V
1,6
Sink Current
IL
VDQ = 0.4V
VDD = 3.6V to 5.5V
4
mA
1
Standby Current
IQ
-55°C to +85°C
1
3
μA
7
Active Current
IDD
VDD= 5V
500
1000
μA
8
DQ Input
Current
IDQ
5
A
9
NOTES:
1.
All voltages are referenced to ground.
2.
Thermometer error reflects the sensor accuracy as tested during calibration.
3.
See typical performance curve in Figure 11 for specification limits outside the 0
°C to +85°C range.
4.
For T<0
°C, accuracy degrades by 0.5°C/V for VDD <4.3V.
5.
Logic low voltages are specified at a sink current of 4 mA.
6.
Logic high voltages are specified at a source current of 1 mA.
7.
Standby current is typically 5
μA at 125°C.
8.
Active current refers to supply current during active temperature conversions or EEPROM writes.
9.
DQ line is high (“hi-Z” state).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1821S/T&R | 制造商:Maxim Integrated Products 功能描述:PROGRAM THERMOSTAT 208ML 8-SOIC T&R - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER/STAT PROG 8-SOIC |
| DS1821S/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 |
| DS1821S/TR | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Programmable Digital Thermostat and Thermometer |
| DS1821S+ | 功能描述:板上安装温度传感器 Programmable Digital Thermostat/Thrmmtr 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 |
| DS1821S+R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Programmable Digital Thermostat and Thermometer |
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