Overview
The AD22100AR, 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 AD22100AR features a ratiometric output, where the output voltage is proportional to the temperature times the supply voltage, simplifying integration with analog-to-digital converters (ADCs) and reducing system complexity and cost.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature Range | -50 | 150 | °C | |
| Guaranteed Temperature Range | -50 | 150 | °C | |
| Supply Voltage | 4.0 | 5.0 | 6.5 | V |
| Quiescent Current | 500 | 650 | µA | |
| Temperature Coefficient | 22.5 | mV/°C | ||
| Output Voltage at -50°C | 0.25 | V | ||
| Output Voltage at +150°C | 4.75 | V | ||
| Accuracy at 25°C | ±2 | °C | ||
| Package | 8-SOIC (0.154", 3.90mm Width) |
Key Features
- Ratiometric output voltage proportional to temperature times supply voltage, simplifying ADC integration.
- On-chip signal conditioning eliminates the need for trimming, buffering, or linearization circuitry.
- Minimal self-heating and high-level, low-impedance output.
- Reverse voltage protection and capability to withstand indefinite short circuits to ground or power supply.
- Single-supply operation with a supply voltage range of 4.0 V to 6.5 V.
Applications
- HVAC systems
- System temperature compensation
- Board-level temperature sensing
- Electronic thermostats
- Industrial process control
- Instrumentation
- Automotive applications
Q & A
- What is the operating temperature range of the AD22100AR? The AD22100AR operates over a temperature range of -50°C to +150°C.
- What is the supply voltage range for the AD22100AR? The supply voltage range is from 4.0 V to 6.5 V.
- What is the temperature coefficient of the AD22100AR? The temperature coefficient is 22.5 mV/°C.
- What type of output does the AD22100AR provide? The AD22100AR provides an analog voltage output.
- Is the AD22100AR suitable for use in automotive applications? Yes, it is suitable for use in automotive applications due to its wide operating temperature range and robust design.
- Does the AD22100AR require external signal conditioning? No, the AD22100AR has on-chip signal conditioning, eliminating the need for external trimming, buffering, or linearization circuitry.
- What is the quiescent current of the AD22100AR? The quiescent current is typically 650 µA.
- Can the AD22100AR withstand short circuits? Yes, the AD22100AR can withstand indefinite short circuits to either ground or the power supply.
- What are some common applications of the AD22100AR? Common applications include HVAC systems, system temperature compensation, board-level temperature sensing, electronic thermostats, industrial process control, instrumentation, and automotive applications.
- What is the package type of the AD22100AR? The AD22100AR is available in an 8-SOIC package.
