DS18B20
Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.
This datasheet covers the DS18B20, a single-wire digital temperature sensor. It details the chip's operation, pin configuration, and application scenarios including industrial systems and HVAC control. Key parameters include a supply voltage of 2.5V to 5.5V, a measurement range of -55°C to +125°C with ±0.4°C accuracy between -10°C and 70°C, and a resolution of 9 to 12 bits. The device features non-volatile memory for alarm thresholds, supports both direct and parasitic power modes, and offers a TO-92 package.
Datasheet parameters
| Parameter | Min | Typ | Max | Conditions |
|---|---|---|---|---|
| quiescent current | — | 1 mA | 1.5 mA | VDD = 5V |
| supply voltage range | 2.5 V | — | 5.5 V | |
| operating temperature | -55 °C | — | 125 °C | |
| standby current | — | 750 nA | — | |
| operate time | 480 µs | — | — | |
| data retention | 10 year | — | — | -55°C to +55°C |
Closest matches to DS18B20
Frequently asked questions
How long is the data retained in the DS18B20 when the temperature is between -55°C and +55°C?
The data is retained for 10 year.
What is the operating time for the DS18B20?
The operating time is 480 µs.
What is the maximum operating temperature of the DS18B20?
The maximum operating temperature is 125 °C.
What is the quiescent current of the DS18B20 when VDD = 5V?
The quiescent current is 1 mA when VDD = 5V.
What is the standby current of the DS18B20?
The standby current is 750 nA.
What is the maximum supply voltage for the DS18B20?
The maximum supply voltage is 5.5 V.