Changsha Purple Horn E-Commerce Co., Ltd.
| Temperature Range | -55℃~+125℃ |
| standby current | 1uA |
| Interface | Single-bus |
| Temperature Conversion Time | 400ms |
| Temperature Resolution | 12bit |
| Voltage - Supply | 2.5V~5.5V |
| Description | Temperature Sensor -55℃~+125℃ 12bit TO-92S |
| Mfr. Part # | GX18B20SH |
| Package | TO-92S |
| Model Number | GX18B20SH |
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Product Specification
| Temperature Range | -55℃~+125℃ | standby current | 1uA |
| Interface | Single-bus | Temperature Conversion Time | 400ms |
| Temperature Resolution | 12bit | Voltage - Supply | 2.5V~5.5V |
| Description | Temperature Sensor -55℃~+125℃ 12bit TO-92S | Mfr. Part # | GX18B20SH |
| Package | TO-92S | Model Number | GX18B20SH |
The GX18B20SH digital thermometer offers 9 to 12-bit programmable resolution temperature measurements with programmable non-volatile memory for upper and lower alarm limits. It communicates via a single-bus protocol, requiring only one signal and one ground wire. The temperature measurement range is -55C to +125C, with accuracy exceeding 0.1C between 35C and +45C. It can also operate in parasitic mode, powered directly through the signal line, eliminating the need for an external power supply. Each GX18B20SH has a unique 64-bit serial number, allowing multiple sensors to be networked on the same bus, controlled by a single processor. This networking capability is ideal for HVAC, building and equipment monitoring, grain temperature measurement, industrial temperature sensing, and process monitoring.
| Feature | Specification |
|---|---|
| Interface | Single-bus interface, requires one port pin |
| Unique Identifier | Global unique 64-bit serial number per chip |
| Temperature Measurement Range | -55C to +125C (-67F to +257F) |
| Accuracy | 0.1C within 35C to 45C |
| Temperature Resolution | 9-12 bits, selectable |
| Temperature Conversion Speed | <400ms at 12-bit resolution |
| Power Supply Voltage Range | 2.5V to 5.5V (via data line in parasitic mode) |
| Alarm Functionality | User-definable non-volatile temperature alarm settings; Alarm search command identifies devices exceeding set temperatures |
| ESD Protection | HBM 8000V, MM 800V |
| Package | 3-pin TO-92S |
| Operating Modes | External power supply or parasitic power mode |
| Default Power-on State | Temperature register defaults to +85C |
| CRC Generator | CRC = X^8 + X^5 + X^4 + 1 |
| Bus System | Single-wire bus, requires pull-up resistor; idle state is high; reset if bus is low for >480s |
| Memory Structure | Scratchpad (SRAM) and non-volatile EEPROM for TH, TL, and Configuration registers |
| Configuration Register | Bits R0 and R1 set resolution (9-12 bits); default is 12 bits (R0=1, R1=1) |
| Application Scenarios | Thermometers, industrial temperature measurement, HVAC, building/equipment monitoring, grain temperature measurement, process monitoring |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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