Overview
The AD22100ARZ-R7, 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 suitable for various applications in HVAC, instrumentation, and automotive sectors. 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 | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Voltage | 4.0 | 5.0 | 6.5 | V |
| Quiescent Current | 500 | 650 | µA | |
| Guaranteed Temperature Range | -50 | +150 | °C | |
| Temperature Coefficient | (V+/5 V) × 22.5 mV/°C | |||
| Output Voltage Range | 0.25 V at -50°C | 4.75 V at +150°C | V | |
| Error at 25°C | ±0.5 | ±2.0 | °C |
Key Features
- Ratiometric Output: The output voltage is proportional to the temperature times the supply voltage, allowing for cost-effective interfacing with analog-to-digital converters.
- Integrated Signal Conditioning: Eliminates the need for external trimming, buffering, or linearization circuitry, simplifying system design and reducing cost.
- Wide Temperature Range: Operates from -50°C to +150°C, making it suitable for various industrial and automotive applications.
- High Accuracy and Linearity: Accuracy better than ±2% of full scale and linearity better than ±1% of full scale.
- Reverse Voltage Protection and Minimal Self-Heating: Ensures robust operation and minimal thermal impact on the system.
- High Level, Low Impedance Output: Capable of withstanding an indefinite short circuit to either ground or the power supply).
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 at the board level in various electronic devices).
- Electronic Thermostats: Employed in electronic thermostats for precise temperature control).
- Industrial Process Control and Instrumentation: Used in industrial processes and instrumentation for accurate temperature measurement).
- Automotive Applications: Applied in automotive systems for temperature monitoring and control).
Q & A
- What is the operating temperature range of the AD22100ARZ-R7?
The AD22100ARZ-R7 operates over a temperature range of -50°C to +150°C.
- What is the output voltage range of the AD22100ARZ-R7?
The output voltage ranges from 0.25 V at -50°C to 4.75 V at +150°C using a single +5.0 V supply).
- Does the AD22100ARZ-R7 require external signal conditioning?
No, the AD22100ARZ-R7 has integrated signal conditioning, eliminating the need for external trimming, buffering, or linearization circuitry).
- What is the typical quiescent current of the AD22100ARZ-R7?
The typical quiescent current is 650 µA).
- What are the common applications of the AD22100ARZ-R7?
Common applications include HVAC systems, system temperature compensation, board level temperature sensing, electronic thermostats, industrial process control, instrumentation, and automotive applications).
- How does the AD22100ARZ-R7 interface with an analog-to-digital converter (ADC)?
The AD22100ARZ-R7 can use the ADC’s +5 V power supply as a reference, eliminating the need for a precision reference).
- What is the temperature coefficient of the AD22100ARZ-R7?
The temperature coefficient is (V+/5 V) × 22.5 mV/°C).
- Does the AD22100ARZ-R7 have reverse voltage protection?
- Can the AD22100ARZ-R7 withstand short circuits?
- What is the accuracy of the AD22100ARZ-R7?
