Overview
The AD22103KTZ is a monolithic temperature sensor produced by Analog Devices Inc. This device is designed to provide accurate temperature measurements over a range of 0°C to +100°C, making it suitable for various industrial and automotive applications. The AD22103KTZ features on-chip signal conditioning, which simplifies the integration into systems by eliminating the need for additional active components. It operates on a supply voltage of 2.7 V to 3.6 V, making it compatible with a wide range of microprocessor systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | 0°C to +100°C | °C |
| Supply Voltage | 2.7 V to 3.6 V | V |
| Output Voltage Range | 0.25 V to 3.05 V | V |
| Temperature Coefficient | 28.0 mV/°C | mV/°C |
| Absolute Accuracy | ±0.5°C (typical) | °C |
| Nonlinearity | ±0.5% of full scale | % |
| Supply Current | 500 µA (typical) | µA |
| Package Type | TO-92 | - |
Key Features
- Ratiometric Output: The output voltage is proportional to the supply voltage, allowing the use of the same power supply as the ADC reference, which reduces the impact of supply voltage variations.
- On-Chip Signal Conditioning: Includes an op-amp signal conditioning block that provides the proper gain and offset for accurate temperature measurement.
- Short-Circuit Protection: Capable of withstanding an indefinite short circuit to either ground or the power supply.
- Low Power Consumption: Typical supply current of 500 µA, which is within the output capability of many precision voltage references.
- Simple Integration: Requires only a single resistor and capacitor to provide immunity to high-speed charge dump glitches at microprocessor ADC inputs.
Applications
The AD22103KTZ is suitable for a variety of applications, including:
- Industrial Automation: Temperature monitoring in industrial control systems.
- Automotive Systems: Engine temperature monitoring, battery temperature sensing, and other automotive applications.
- Consumer Electronics: Temperature sensing in consumer devices such as thermostats, HVAC systems, and smart home devices.
- Medical Devices: Temperature monitoring in medical equipment and patient care systems.
Q & A
- What is the operating temperature range of the AD22103KTZ?
The operating temperature range of the AD22103KTZ is 0°C to +100°C. - What is the supply voltage range for the AD22103KTZ?
The supply voltage range for the AD22103KTZ is 2.7 V to 3.6 V. - What is the output voltage range of the AD22103KTZ?
The output voltage range of the AD22103KTZ is 0.25 V to 3.05 V. - What is the temperature coefficient of the AD22103KTZ?
The temperature coefficient of the AD22103KTZ is 28.0 mV/°C. - Does the AD22103KTZ have short-circuit protection?
Yes, the AD22103KTZ is capable of withstanding an indefinite short circuit to either ground or the power supply. - How much current does the AD22103KTZ typically consume?
The AD22103KTZ typically consumes 500 µA of supply current. - What package type is the AD22103KTZ available in?
The AD22103KTZ is available in a TO-92 package. - Can the AD22103KTZ be used with a precision voltage reference?
Yes, the AD22103KTZ can be used with a precision voltage reference to achieve absolute voltage operation. - What is the nonlinearity of the AD22103KTZ?
The nonlinearity of the AD22103KTZ is ±0.5% of full scale. - How does the AD22103KTZ handle high-speed charge dump glitches?
The AD22103KTZ requires a single resistor and capacitor to provide immunity to high-speed charge dump glitches at microprocessor ADC inputs.
