Overview
The TDA0161FPT, 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 suitable for various industrial and sensor applications. The device acts as an oscillator using an externally-tuned circuit and alters its output signal in response to the presence of a metallic object.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4 to 35 | V |
| Operating Temperature Range (TJ) | -40 to +100 | °C |
| Storage Temperature Range (TSTG) | -55 to +150 | °C |
| Oscillator Frequency (fOSC) | 10 | MHz |
| Output Current (ICC) | 10 mA (close target), 1 mA (remote target) | mA |
| Output Current Ripple (∆ICC) | 20 µA | µA |
| Negative Resistance on Terminals A and E (Rn) | 0.9 R1 to 1.1 R1 | Ω |
| Hysteresis at Detection Point (HYST) | 0.5 to 5% | % |
Key Features
- High sensitivity to metallic objects through Eddy current detection.
- Oscillator frequency of 10 MHz.
- Supply voltage range from 4V to 35V.
- Output current of 10 mA when a target is close and 1 mA when the target is remote.
- Negative resistance characteristic on terminals A and E.
- Compact SO-8 and DIP-8 package options.
Applications
The TDA0161FPT is primarily used in industrial sensor applications, including proximity detection and metallic body sensing. It is suitable for detecting ingot steel targets and other metallic objects at various distances, making it a versatile component in automation and industrial control systems.
Q & A
- What is the primary function of the TDA0161FPT? The TDA0161FPT is designed for metallic body detection by sensing variations in high-frequency Eddy current losses.
- What is the supply voltage range for the TDA0161FPT? The supply voltage range is from 4V to 35V.
- What is the oscillator frequency of the TDA0161FPT? The oscillator frequency is 10 MHz.
- How does the output current change with the presence of a metallic object? The output current is 10 mA when a target is close and 1 mA when the target is remote.
- What are the typical applications of the TDA0161FPT? It is used in industrial sensor applications, including proximity detection and metallic body sensing.
- What are the package options available for the TDA0161FPT? The component is available in SO-8 and DIP-8 packages.
- What is the operating temperature range of the TDA0161FPT? The operating temperature range is from -40°C to +100°C.
- How does the device handle hysteresis at the detection point? The hysteresis at the detection point ranges from 0.5% to 5%.
- Can the TDA0161FPT be used with different types of coils? Yes, it can be used with different types of coils, including single wire and Litz wire coils.
- What is the storage temperature range for the TDA0161FPT? The storage temperature range is from -55°C to +150°C.
