The part you are asking about, the ADM2483BRWZ -REEL, is a digital isolator IC manufactured by Analog Devices (ADI). This component is primarily used for isolating digital signals between high-voltage systems and low-voltage systems, protecting sensitive electronics from voltage spikes and electromagnetic interference.
Detailed Specifications & Pin Function Descriptions for ADM2483BRWZ-REEL
The ADM2483BRWZ-REEL comes in a 16-lead SOIC package (often referred to as SOIC-16), and it is used for isolating data signals across a wide range of applications like industrial, automotive, and communications systems.
Pin Function Table for the ADM2483BRWZ-REEL (16-Pin SOIC Package)
Pin No. Pin Name Pin Function Description 1 V1 Power supply (V1): The input side power supply for the isolator. A supply voltage between 3.0V and 5.5V is required to power the device. 2 GND1 Ground (GND1): Ground reference for the input side of the isolator. Connect this pin to ground in the input system. 3 D1+ Data Input (D1+): Positive data input signal. Typically connected to a digital signal that needs to be isolated. 4 D1- Data Input (D1-): Negative data input signal. Differential pair with D1+. 5 V2 Power supply (V2): The output side power supply for the isolator. V2 must be isolated from V1 and can be connected to a different voltage source. 6 GND2 Ground (GND2): Ground reference for the output side of the isolator. This pin connects to the ground of the system that the isolated side communicates with. 7 D2+ Data Output (D2+): Positive data output signal. This pin provides the isolated output of the input signal from D1+ and D1-. 8 D2- Data Output (D2-): Negative data output signal. Differential pair with D2+. 9 EN Enable (EN): This pin enables or disables the device. When the pin is pulled high, the isolator operates normally. When pulled low, the device is disabled. 10 NC No Connect (NC): This pin is not connected internally and is typically left unconnected in the application. 11 NC No Connect (NC): Another "no connect" pin, same as pin 10. 12 NC No Connect (NC): Same as pins 10 and 11. 13 NC No Connect (NC): Same as previous unused pins. 14 NC No Connect (NC): Same as previous unused pins. 15 NC No Connect (NC): Same as previous unused pins. 16 NC No Connect (NC): Same as previous unused pins.Circuit Principle and Function
The ADM2483BRWZ-REEL is a digital isolator designed to electrically isolate two systems that operate at different voltage levels, ensuring protection from spikes, noise, and other electrical interference. It uses capacitive coupling to transmit data between the isolated circuits, providing high-speed digital data transfer while maintaining isolation between the high and low voltage sides.
Input side (V1, D1+, D1-): The input side communicates with low-voltage digital systems. Data signals are received on pins D1+ and D1-, while power is supplied to the device through pin V1. Output side (V2, D2+, D2-): The output side communicates with the higher-voltage system, providing isolated data on pins D2+ and D2- while receiving power from pin V2.The isolator uses capacitive isolation technology, providing low power consumption while ensuring robust isolation and high-speed data transmission.
20 Frequently Asked Questions (FAQs) about ADM2483BRWZ-REEL
Q: What is the purpose of the ADM2483BRWZ-REEL? A: The ADM2483BRWZ-REEL is a digital isolator used to transmit data between two isolated systems while protecting against electrical noise and voltage spikes.
Q: How many pins does the ADM2483BRWZ-REEL have? A: The ADM2483BRWZ-REEL comes in a 16-pin SOIC package.
Q: What is the operating voltage range of the ADM2483BRWZ-REEL? A: The operating voltage range for the ADM2483BRWZ-REEL is 3.0V to 5.5V.
Q: What is the maximum data rate supported by the ADM2483BRWZ-REEL? A: The ADM2483BRWZ-REEL supports a maximum data rate of 25 Mbps.
Q: Can the ADM2483BRWZ-REEL be used for high-speed communication? A: Yes, the ADM2483BRWZ-REEL supports high-speed communication up to 25 Mbps, making it suitable for various industrial and communication applications.
Q: What is the role of the EN pin in the ADM2483BRWZ-REEL? A: The EN pin is used to enable or disable the device. Pulling this pin high enables the device, while pulling it low disables it.
Q: Can I use the ADM2483BRWZ-REEL with different power supplies for V1 and V2? A: Yes, the ADM2483BRWZ-REEL supports separate power supplies for V1 and V2, allowing isolation between the input and output sides.
Q: What type of isolation does the ADM2483BRWZ-REEL provide? A: The ADM2483BRWZ-REEL provides capacitive isolation, allowing data transfer while maintaining electrical isolation between the input and output sides.
Q: What is the typical application for the ADM2483BRWZ-REEL? A: The ADM2483BRWZ-REEL is commonly used in industrial automation, automotive systems, and other applications that require isolated communication between different voltage systems.
Q: How do I connect the ADM2483BRWZ-REEL to a microcontroller? A: To connect the ADM2483BRWZ-REEL to a microcontroller, you would connect the D1+ and D1- pins to the microcontroller's data output pins, and the D2+ and D2- pins to the data input pins of the isolated system.
Q: What is the typical power consumption of the ADM2483BRWZ-REEL? A: The ADM2483BRWZ-REEL consumes very low power, typically 7 mA when operating at 5V.
Q: Is the ADM2483BRWZ-REEL compatible with both 3.3V and 5V logic systems? A: Yes, the ADM2483BRWZ-REEL is compatible with both 3.3V and 5V logic systems.
Q: Does the ADM2483BRWZ-REEL have thermal protection? A: Yes, the ADM2483BRWZ-REEL has built-in thermal protection to prevent damage due to overheating.
Q: What is the operating temperature range of the ADM2483BRWZ-REEL? A: The ADM2483BRWZ-REEL operates in a temperature range from -40°C to +125°C, making it suitable for harsh environments.
Q: Can the ADM2483BRWZ-REEL be used in medical devices? A: Yes, the ADM2483BRWZ-REEL can be used in medical devices that require isolation between components to protect sensitive systems.
Q: What is the function of the ground pins (GND1, GND2)? A: The ground pins (GND1 and GND2) are used to establish the reference grounds for the input and output sides of the isolator, ensuring proper operation.
Q: How do I disable the ADM2483BRWZ-REEL? A: To disable the ADM2483BRWZ-REEL, pull the EN pin low.
Q: What is the significance of the NC pins? A: The NC pins are "no connect" pins and are not used in the circuit. They are typically left unconnected.
Q: How do I ensure reliable communication with the ADM2483BRWZ-REEL? A: Ensure proper power supply voltage, correct pin connections, and follow the recommended layout for the isolator to guarantee reliable communication.
Q: Can I use the ADM2483BRWZ-REEL for data transmission in noisy environments? A: Yes, the ADM2483BRWZ-REEL is designed to provide robust data transmission in noisy environments by providing high isolation between the circuits.
Let me know if you need further clarification or additional details!
