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Temperature sensor GXCAS GX1820 featuring selectable resolution and parasitic power mode operation

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Temperature sensor GXCAS GX1820 featuring selectable resolution and parasitic power mode operation

Temperature Range : -55℃~+125℃

Interface : Single-bus

Temperature Conversion Time : 750ms

Temperature Resolution : 12bit

Voltage - Supply : 2.5V~5.5V

Description : Temperature Sensor -55℃~+125℃ 12bit TO-92

Mfr. Part # : GX1820

Model Number : GX1820

Package : TO-92

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Product Overview

The GX1820 is a programmable resolution single-bus temperature sensor featuring a global unique 64-bit serial number, multi-point distributed temperature measurement, and no external components required. It operates with a supply voltage range of 2.5V to 5.5V, offering a measurement range of -55C to +125C with an accuracy of 0.5C within the -10C to 70C range. The temperature resolution is selectable from 9 to 12 bits, with a conversion speed of less than 750ms at 12-bit precision. It also includes user-definable non-volatile temperature alarm settings and strong electrostatic protection.

Product Attributes

Brand: GALAXY-CAS
Origin: BEIJING GALAXY-CAS TECHNOLOGY CO.,LTD

Technical Specifications

Feature	Specification
Interface	Single-bus interface (1 port pin)
Serial Number	Global unique 64-bit
Measurement Range	-55C to +125C
Accuracy	0.5C (in -10C to 70C range)
Temperature Resolution	9-12 bits selectable
Conversion Speed (Max 12-bit)	< 750ms
Supply Voltage	2.5V ~ 5.5V (via data line or VDD pin)
Power Consumption	Can operate in parasitic power mode
Alarm Function	User-definable non-volatile temperature alarm settings
Electrostatic Protection	HBM 7000V, MM 700V
Package	3-pin TO-92
Applications	Temperature control, industrial systems, consumer products, grain temperature monitoring, thermometers, any heat-sensing system
Configuration Register	Sets temperature resolution (9-12 bits)
Temperature Registers	2 bytes, stores temperature sensor output
Alarm Threshold Registers (TH/TL)	1 byte each, non-volatile
CRC Generator	For data integrity checks

Application Scenarios

Temperature control
Industrial systems
Consumer products
Grain temperature monitoring
Thermometers
Any heat-sensing system

2504101957_GXCAS-GX1820_C472472.pdf

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