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AM2320 Digital Temperature and Humidity Sensor Product overview
Temperature and humidity combined sensor AM2320 digital temperature and humidity sensor is a digital signal output has been calibrated. Using special temperature and humidity acquisition technology, ensure that the product has a very high reliability and excellent long-term stability. Sensor consists of a capacitive moisture element and an integrated high-precision temperature measurement devices, and connected with a high-performance microprocessor . The product has excellent quality, super fast response, strong anti-interference ability, very high property price rate.
AM2320 communication using a single bus, two communication modes standard I2C. Standard single-bus interface, the system integration becomes easy and quick. Ultra-small size, low power consumption, signal transmission distance up to 20 meters, making all kinds of applications and even the most demanding applications the best choice. I2C communication using standard communication sequence, the user can directly linked to the I2C communication bus without additional wiring, simple to use. Two communication modes are used as humidity, temperature, and other digital information directly CRC checksum temperature-compensated output, users do not need to calculate the secondary digital output, and no need for temperature compensation of the humidity, temperature and humidity can be accurately information. Two communication modes are free to switch, the user can freely choose, easy to use, wide range of applications. 4 lead product, easy connection, special packages according to user needs and provide.
AM2320 Digital Temperature and Humidity Sensor Product Features
• Ultra-small size
• Super cost-effective
• Ultra-low voltage operation
• Excellent long-term stability
• Standard I2C and single-bus output
AM2320 Digital Temperature and Humidity Sensor Applications
HVAC, dehumidifiers, testing and inspection equipment, consumer goods, automotive, automation, data loggers, gas stations, home appliances, humidity control, medical, and other relevant humidity measurement and control.
AM2320 Digital Temperature and Humidity Sensor Product Highlights
Completely interchangeable, low-cost, long-term stability, relative humidity and temperature measurement, long distance signal transmission, the digital signal output, precise calibration, low power consumption, standard single-bus digital interface standard I2C bus digital interface, communication free choice.
AM2320 Digital Temperature and Humidity Sensor Sensor performance
Relative Humidity
| Parameter | Condition | min | typ | max | Unit |
| Resolution | 0.1 | %RH | |||
| Range | 0 | 99.9 | %RH | ||
| Accuracy | 25°C | ±3 | %RH | ||
| Repeatability | ±0.1 | %RH | |||
| Interchangeability | Completely interchangeable | ||||
| Response time | 1/e (63%) | <5 | S | ||
| Hysteresis | ±0.3 | %RH | |||
| Drift | Typical values | <0.5 | %RH/yr | ||
Temperature
| Parameter | Condition | min | typ | max | Unit |
| Resolution | 0.1 | °C | |||
| 16 | bit | ||||
| Accuracy | ±0.5 | °C | |||
| Range | -40 | 80 | °C | ||
| Repeatability | ±0.2 | °C | |||
| Interchangeability | Completely interchangeable | ||||
| Response time | 1/e (63%) | <5 | S | ||
| Drift | ±0.1 | °C/yr | |||
AM2320 Digital Temperature and Humidity Sensor Electrical Characteristics
| Parameter | Condition | min | typ | max | Unit |
| Supply Voltage | 3.1 | 5 | 5.5 | V | |
| Power Consumption | Dormancy | 8 | 10 | µA | |
| Measure | 950 | µA | |||
| Average | 350 | µA | |||
| Low-level output voltage | ICC | 0 | 300 | mV | |
| High-level output voltage | Rp<25 kΩ | 90% | 100% | VDD | |
| Low-level input voltage | 0 | 30% | VDD | ||
| High-level input voltage | 70% | 100% | VDD | ||
| Rpu | VDD = 5V VIN = VSS | 30 | 45 | 60 | kΩ |
| Output Current | 8 | mA | |||
| 10 | 20 | µA | |||
| Sampling period | 2.0 | S |
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