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Updated at 17/06/2025 10:30:15(UTC+8)

Certifications

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Description

Description
The DS1620 Digital Thermometer and Thermostat provides 9-bit temperature readings which indicate the temperature of the device. With three thermal alarm outputs, the DS1620 can also act as a thermostat. THIGH is driven high if the DS1620"s temperature is greater than or equal to a user-defined temperature TH. TLOW is driven high if the DS1620"s temperature is less than or equal to a user-defined temperature TL. TCOM is driven high when the temperature exceeds TH and stays high until the temperature falls below that of TL.
User-defined temperature settings are stored in nonvolatile memory, so parts can be programmed prior to insertion in a system, as well as used in standalone applications without a CPU. Temperature settings and temperature readings are all communicated to/from the DS1620 over a simple 3-wire interface.

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DS1620 Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	8 Pin
Case/Package	DIP-8
Supply Voltage (DC)	5.00 V
Output Voltage	2.40 V
Supply Current	1 mA
Load Capacitance	50.0 pF
Number of Bits	12 Bit
Input Capacitance	5.00 pF
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
Accuracy	±2℃ (Max)
Supply Voltage	2.7V ~ 5.5V
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Size-Length	9.91 mm
Size-Width	7.87 mm
Size-Height	4.45 mm
Operating Temperature	-55℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance Edition	2013/06/20

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