Overview
The AD22100ARZ, produced by Analog Devices Inc., is a monolithic temperature sensor with on-chip signal conditioning. This device is designed to operate over a wide temperature range of -50°C to +150°C, making it highly versatile for various applications. The integrated signal conditioning eliminates the need for external trimming, buffering, or linearization circuitry, thereby simplifying system design and reducing overall system cost.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Temperature Range | -50 | +150 | °C | |
| Guaranteed Temperature Range | -50 | +150 | °C | |
| Operating Voltage | 4.0 | 5.0 | 6.5 | V |
| Quiescent Current | 500 | 650 | µA | |
| Temperature Coefficient | 22.5 | mV/°C | ||
| Output Voltage Range | 0.25 | 4.75 | V | |
| Accuracy | ±2 | °C | ||
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
Key Features
- Ratiometric Output: The output voltage is proportional to the temperature times the supply voltage, making it cost-effective for interfacing with analog-to-digital converters (ADCs).
- On-Chip Signal Conditioning: Eliminates the need for external trimming, buffering, or linearization circuitry, simplifying system design and reducing costs.
- Wide Temperature Range: Operates from -50°C to +150°C, suitable for various applications including HVAC, instrumentation, and automotive.
- High Accuracy and Linearity: Accuracy better than ±2% of full scale and linearity better than ±1% of full scale.
- Minimal Self-Heating: Reduces thermal errors and ensures accurate temperature measurements.
- Reverse Voltage Protection: Enhances device reliability and protection against incorrect voltage connections.
- High Level, Low Impedance Output: Facilitates easy integration into various systems without additional amplification.
Applications
- HVAC Systems: Ideal for temperature sensing and control in heating, ventilation, and air conditioning systems.
- System Temperature Compensation: Used for compensating temperature variations in electronic systems.
- Board Level Temperature Sensing: Suitable for monitoring temperatures on circuit boards and electronic assemblies.
- Electronic Thermostats: Employed in thermostat applications requiring precise temperature control.
- Industrial Process Control: Used in industrial environments for temperature monitoring and control.
- Instrumentation: Applied in various instrumentation applications where accurate temperature measurement is crucial.
- Automotive: Utilized in automotive systems for temperature sensing and control.
Q & A
- What is the operating temperature range of the AD22100ARZ?
The AD22100ARZ operates over a temperature range of -50°C to +150°C.
- What type of output does the AD22100ARZ provide?
The AD22100ARZ provides an analog voltage output that is proportional to the temperature times the supply voltage.
- What is the typical accuracy of the AD22100ARZ?
The typical accuracy of the AD22100ARZ is better than ±2% of full scale.
- What is the package type of the AD22100ARZ?
The AD22100ARZ is available in an 8-SOIC (0.154", 3.90mm Width) package.
- Does the AD22100ARZ require external signal conditioning?
No, the AD22100ARZ has on-chip signal conditioning, eliminating the need for external trimming, buffering, or linearization circuitry.
- What is the quiescent current of the AD22100ARZ?
The quiescent current of the AD22100ARZ is typically 650 µA.
- What are some common applications of the AD22100ARZ?
Common applications include HVAC systems, system temperature compensation, board level temperature sensing, electronic thermostats, industrial process control, instrumentation, and automotive systems.
- Does the AD22100ARZ have reverse voltage protection?
- How does the AD22100ARZ interface with analog-to-digital converters (ADCs)?
The AD22100ARZ can use the ADC's +5 V power supply as a reference, eliminating the need for a precision reference voltage.
- What is the temperature coefficient of the AD22100ARZ?
The temperature coefficient of the AD22100ARZ is 22.5 mV/°C.
