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Specifications
Temperature Range:
-55℃~+150℃
standby current:
20uA
Interface:
SPI
Temperature Conversion Time:
240ms
Temperature Resolution:
12bit
Voltage - Supply:
2.7V~5.5V
Mfr. Part #:
GX122
Package:
SOT-23-6
Key Attributes
Model Number:
GX122
Product Description
Product Overview
The GX122 is an SPI compatible digital temperature sensor in a SOT23-6 package, offering programmable resolution from 9 to 12 bits plus a sign bit. It provides high accuracy (typically 0.3C from -25C to +85C) and operates over a wide temperature range up to 150C. With low quiescent current, a wide power supply range (2.7V to 5.5V), and programmable high/low setpoints, the GX122 is ideal for various low-power and extended thermal measurement applications including automotive, computer peripherals, battery management, and environmental monitoring.
Product Attributes
- Brand: BEIJING GALAXY-CAS TECHNOLOGY CO.,LTD
- Model: GX122
- Origin: China (implied by Beijing)
Technical Specifications
| Parameter | Condition | Min | Typ | Max | Units |
| Temperature Range | Operating | -55 | +150 | ||
| Accuracy | 25 to +85 | 0.3 | |||
| Accuracy | 40 to +125 | 0.5 | |||
| Accuracy | 55 to +150 | 1.0 | |||
| Resolution | Optional | 9 to 12 + Sign Bits | |||
| Power Supply | Operating range | 2.7 | 5.5 | V | |
| Operating Current | no communication | 50 | 75 | A | |
| Standby Current | no communication | 20 | A | ||
| Shutdown current | no communication | 0.1 | 1 | A | |
| Conversion time | 9-Bit + Sign | 30 | 40 | ms | |
| Conversion time | 10-Bit + Sign | 60 | 80 | ms | |
| Conversion time | 11-Bit + Sign | 120 | 160 | ms | |
| Conversion time | 12-Bit + Sign | 240 | 320 | ms | |
| Input logic VIH | 0.7 | (V+) V | |||
| Input logic VIL | 0.3 | (V+) V | |||
| Output logic VOL | SO/I ISINK = 3mA | 0.4 | V | ||
| Output logic VOH | SO/I ISOURCE = 2mA | (V+) - 0.4 | V | ||
| Output logic VOL | ALERT ISINK = 4mA | 0.4 | V | ||
| Input capacitance | SO/I SCK /C S /ALERT | 2.5 | pF | ||
| Thermal resistance | SOT23-6 Surface-Mount | 200 | /W |
2412091714_GXCAS-GX122_C917201.pdf
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