Overview
The TDA0161DP, produced by STMicroelectronics, is a monolithic integrated circuit designed for metallic body detection. It operates by sensing variations in high-frequency Eddy current losses, making it an effective proximity detector. The IC uses an externally-tuned circuit to act as an oscillator, with the output signal level altered by the presence of a metallic object. This component is versatile and can be used in various applications requiring metal detection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4 to 35 | V |
| Operating Temperature Range | -40 to +150 | °C |
| Storage Temperature Range | -55 to +150 | °C |
| Oscillator Frequency (fOSC) | 10 | MHz |
| Output Current (ICC) | Up to 10 | mA |
| Package | DIP-8, SO-8 | |
| Mounting Style | Through Hole, Surface Mount |
Key Features
- Maximum supply voltage of 35V
- Operating temperature range up to +150°C
- Maximum output current of 10mA
- Oscillator frequency of 10MHz
- Independent of supply voltage, with current changes indicating the presence or absence of a metallic object
- Acts as a negative resistor with a value equal to the external resistor R1
- High sensitivity with adjustable detection range using external components
Applications
The TDA0161DP is suitable for various applications requiring metallic body detection, such as:
- Industrial automation systems
- Security systems
- Automotive systems
- Consumer electronics with metal detection needs
- Quality control and inspection systems
Q & A
- What is the primary function of the TDA0161DP? The TDA0161DP is designed for metallic body detection by sensing variations in high-frequency Eddy current losses.
- What is the operating temperature range of the TDA0161DP? The operating temperature range is from -40°C to +150°C.
- What is the maximum supply voltage for the TDA0161DP? The maximum supply voltage is 35V.
- How does the TDA0161DP detect metallic objects? It uses an externally-tuned circuit to act as an oscillator, with the output signal level altered by the presence of a metallic object.
- What are the typical applications of the TDA0161DP? It is used in industrial automation, security systems, automotive systems, consumer electronics, and quality control systems.
- What is the oscillator frequency of the TDA0161DP? The oscillator frequency is 10MHz.
- What is the maximum output current of the TDA0161DP? The maximum output current is 10mA.
- What types of packages are available for the TDA0161DP? The component is available in DIP-8 and SO-8 packages.
- How does the TDA0161DP indicate the presence of a metallic object? The presence of a metallic object is indicated by changes in the supply current.
- Can the detection range of the TDA0161DP be adjusted? Yes, the detection range can be adjusted using external components such as coils and capacitors.
