The part number ADM2682EBRIZ-RL7 is a digital isolator from Analog Devices. It is specifically designed to isolate high-speed signals between different voltage domains in industrial and other applications where electrical isolation is critical.
Package and Pinout:
The ADM2682EBRIZ-RL7 comes in a 20-pin TSSOP (Thin Shrink Small Outline Package). Each pin has a specific function that needs to be carefully understood in order to implement it properly in a circuit.
Detailed Pin Function List:
Below is a detailed explanation of the pin functions for the ADM2682EBRIZ-RL7. There are 20 pins in this package, and each pin is assigned a function as follows:
Pin Number Pin Name Function Description 1 VSS Ground pin for the internal circuitry. Connect to the ground plane of your circuit. 2 VDD1 Positive supply voltage for side 1 (logic input side). Typically between 3.3V and 5V. 3 A1 Transmit data input (A-side). This pin is used for high-speed data transmission and must be connected to a driving circuit. 4 A2 Transmit data input (A-side). It is complementary to A1, forming the differential signal pair for the transmitter. 5 A3 Transmit data input (A-side). Similar function to A1 and A2, used to complete the differential pair for data transmission. 6 A4 Transmit data input (A-side). Used in combination with A1-A3 to send a full signal differential pair to B-side receiver. 7 VSS1 Ground pin for side 1 (logic input side). Connect to the ground plane. 8 B1 Receive data output (B-side). This is where the data signal from side 1 will be transmitted to side 2. 9 B2 Receive data output (B-side). This is the complement of B1 and is part of the differential data signal. 10 B3 Receive data output (B-side). Complements the B1-B2 pair for signal integrity. 11 B4 Receive data output (B-side). Final part of the differential pair for full signal reception. 12 VSS2 Ground pin for side 2 (logic output side). Connect to the ground plane of your circuit. 13 VDD2 Positive supply voltage for side 2 (logic output side). Typically between 3.3V and 5V. 14 VDD1 Positive supply voltage for side 1. 15 OE (Output Enable) Control pin to enable/disable output signals. A logic low enables the output, while a logic high disables it. 16 VSS Ground pin for overall device. 17 EN (Enable) Enables or disables the communication between the two isolated sides when set high or low respectively. 18 REF (Reference) Voltage reference input pin. Used for precise voltage control and calibration of the device. 19 NC (No Connection) No internal connection on this pin. It is for mechanical purposes or future configurations. 20 NC (No Connection) Same as above, no internal connection for this pin.FAQ for the ADM2682EBRIZ-RL7 Pin Functions:
Here is a list of the 20 most common questions regarding the pin functions of the ADM2682EBRIZ-RL7:
Q: What is the function of pin 1 on the ADM2682EBRIZ-RL7? A: Pin 1 is VSS, the ground pin for the internal circuitry, connected to the ground plane.
Q: What voltage should be applied to pin 2 (VDD1)? A: Pin 2 (VDD1) should be supplied with a voltage between 3.3V and 5V.
Q: What is the role of pin 3 (A1) on this part? A: Pin 3 (A1) is the data transmit input on side A, which is part of a differential signal pair.
Q: How does pin 4 (A2) relate to pin 3 (A1)? A: Pin 4 (A2) is complementary to pin 3 (A1), forming part of the differential signal pair for data transmission.
Q: What is the function of pin 7 (VSS1)? A: Pin 7 is the ground pin for side 1, connected to the ground plane.
Q: What is the role of pin 8 (B1) in the ADM2682EBRIZ-RL7? A: Pin 8 (B1) is the receive data output on side B, where the transmitted data is received from side A.
Q: How do pins B2, B3, and B4 differ? A: Pins B2, B3, and B4 form the complementary pair to B1, completing the differential signal reception.
Q: What does pin 12 (VSS2) represent? A: Pin 12 is the ground pin for side 2, connected to the ground plane.
Q: What voltage is required at pin 13 (VDD2)? A: Pin 13 requires a voltage between 3.3V and 5V for side 2.
Q: What is pin 15 (OE) used for? A: Pin 15 is the output enable pin that allows enabling or disabling the output signal.
Q: What is the purpose of pin 16 (VSS)? A: Pin 16 is the overall ground pin for the device.
Q: How does pin 17 (EN) affect the operation? A: Pin 17 is the enable pin that allows enabling or disabling communication between the two isolated sides.
Q: What role does pin 18 (REF) serve? A: Pin 18 is the voltage reference input for precise voltage regulation and calibration.
Q: What is the significance of pins 19 and 20 (NC)? A: Pins 19 and 20 are No Connection pins, meaning they do not have any internal connections.
Q: Can I use the ADM2682EBRIZ-RL7 with both 3.3V and 5V systems? A: Yes, the ADM2682EBRIZ-RL7 is designed to be compatible with both 3.3V and 5V systems on both sides.
Q: What happens if I apply the wrong voltage to the VDD pins? A: Applying the wrong voltage may cause the part to malfunction or even damage the device. Always verify the supply voltage range before use.
Q: How can I disable the output? A: You can disable the output by setting the OE pin high.
Q: What should be the ground configuration for the device? A: Connect VSS1, VSS2, and VSS pins to the common ground of your circuit.
Q: Can the ADM2682EBRIZ-RL7 be used in high-speed applications? A: Yes, it is designed for high-speed data transmission and electrical isolation, making it ideal for industrial and communication systems.
Q: Is there any special configuration required for the REF pin? A: The REF pin should be connected to a stable reference voltage source for proper operation.
This detailed explanation and FAQ should give you a comprehensive understanding of the ADM2682EBRIZ-RL7 pin functions, usage, and specifications. Let me know if you need further clarification or have more questions!
