ADM3053BRWZ-REEL7 Detailed explanation of pin function specifications and circuit principle instructions

The part number ADM3053BRWZ -REEL7 is a product from Analog Devices, a leading company in high-performance analog, mixed-signal, and digital signal processing ( DSP ) integrated circuits.

The ADM3053BRWZ-REEL7 is a high-speed, isolated RS-485/RS-422 transceiver . It uses iCoupler® technology to provide galvanic isolation between the high-voltage side (e.g., industrial control systems) and the low-voltage side (e.g., microcontrollers, processors).

Below is a detailed explanation of the part, its pin functions, and specifications for this device.

Package Type

ADM3053BRWZ-REEL7 comes in a 16-lead (TSSOP) package.

Pinout and Pin Function Table for ADM3053BRWZ-REEL7:

Pin Number Pin Name Pin Function Description 1 VCC2 Positive supply pin for the low-voltage side of the isolator. Connect to +5V or +3.3V. 2 A (RXD) Differential data input/output. Transmits or receives data from the bus (RS-485/RS-422). 3 B (TXD) Differential data input/output. Transmits or receives data from the bus (RS-485/RS-422). 4 GND2 Ground pin for the low-voltage side of the isolator. 5 RE (Receiver Enable) Controls the receiver output. Active low enables the receiver. 6 DE (Driver Enable) Controls the driver output. Active high enables the driver. 7 RO (Receiver Output) Receiver data output. Provides received data to the external device. 8 VISO Isolated voltage supply for the high-voltage side of the isolator. 9 VCC1 Positive supply pin for the high-voltage side of the isolator. 10 GND1 Ground pin for the high-voltage side of the isolator. 11 TX+ Transmitter positive output for differential data transmission. 12 TX- Transmitter negative output for differential data transmission. 13 RX+ Receiver positive input for differential data reception. 14 RX- Receiver negative input for differential data reception. 15 NC (Not Connected) Pin not connected, typically not used. 16 NC (Not Connected) Pin not connected, typically not used.

Circuit Principle:

The ADM3053BRWZ-REEL7 works as an isolated transceiver designed to handle RS-485 and RS-422 standards. It uses iCoupler technology for electrical isolation between the high-voltage side (driver side) and the low-voltage side (receiver side). The chip communicates via differential data signals on the A and B lines. The device is used primarily in industrial and automotive applications where high-speed data transmission with electrical isolation is required.

Detailed FAQ (Frequently Asked Questions) for ADM3053BRWZ-REEL7:

1. Q: What is the package type of ADM3053BRWZ-REEL7? A: The ADM3053BRWZ-REEL7 comes in a 16-lead TSSOP package.

2. Q: What is the isolation voltage for the ADM3053BRWZ-REEL7? A: The isolation voltage for the ADM3053BRWZ-REEL7 is 2500 VRMS (Volt-RMS), providing safety and noise immunity in industrial environments.

3. Q: How is the ADM3053BRWZ-REEL7 powered? A: The ADM3053BRWZ-REEL7 is powered by two supplies, VCC1 for the high-voltage side and VCC2 for the low-voltage side, typically +5V or +3.3V.

4. Q: What is the function of the DE pin in ADM3053BRWZ-REEL7? A: The DE (Driver Enable) pin controls the driver output, enabling data transmission when driven high.

5. Q: What does the RE pin do in the ADM3053BRWZ-REEL7? A: The RE (Receiver Enable) pin controls the receiver output, enabling data reception when driven low.

6. Q: What is the typical use case for the ADM3053BRWZ-REEL7? A: The ADM3053BRWZ-REEL7 is typically used in industrial control systems, automation, and data communication systems where isolation and high-speed differential data transmission are required.

7. Q: Can the ADM3053BRWZ-REEL7 be used for 3.3V logic levels? A: Yes, the ADM3053BRWZ-REEL7 supports both 3.3V and 5V logic levels.

8. Q: How do I connect the A and B pins? A: The A and B pins are differential data input/output pins. They should be connected to the differential lines (RS-485/RS-422) in your communication system.

9. Q: How do I implement a multi-drop configuration with ADM3053BRWZ-REEL7? A: A multi-drop configuration involves connecting multiple transceivers on the same differential bus. Proper termination resistors and biasing are needed for reliable communication.

10. Q: What is the maximum data rate supported by ADM3053BRWZ-REEL7? A: The ADM3053BRWZ-REEL7 supports data rates up to 25 Mbps.

11. Q: Can the ADM3053BRWZ-REEL7 be used in automotive applications? A: Yes, the ADM3053BRWZ-REEL7 can be used in automotive applications due to its robust isolation and high-speed data transmission capabilities.

12. Q: What is the purpose of the VISO pin? A: The VISO pin provides the isolated voltage supply for the high-voltage side of the isolator.

13. Q: What should I connect to the NC pins? A: The NC (Not Connected) pins are not used and should not be connected to any signal or power.

14. Q: What is the maximum common-mode voltage the ADM3053BRWZ-REEL7 can handle? A: The ADM3053BRWZ-REEL7 can handle a maximum common-mode voltage of ±12V.

15. Q: Can I use the ADM3053BRWZ-REEL7 for point-to-point communication? A: Yes, the ADM3053BRWZ-REEL7 is suitable for both point-to-point and multi-drop RS-485/RS-422 communication.

16. Q: Is the ADM3053BRWZ-REEL7 hot-swappable? A: Yes, the ADM3053BRWZ-REEL7 supports hot-swapping, making it suitable for systems where devices may be inserted or removed without disrupting communication.

17. Q: How do I enable the receiver on the ADM3053BRWZ-REEL7? A: The receiver is enabled when the RE (Receiver Enable) pin is driven low.

18. Q: Can the ADM3053BRWZ-REEL7 be used for half-duplex communication? A: Yes, the ADM3053BRWZ-REEL7 can support half-duplex communication with proper pin configuration and control.

19. Q: How should I terminate the A and B lines in long-distance communication? A: For long-distance communication, terminate the A and B lines with appropriate resistors to prevent signal reflections and ensure signal integrity.

20. Q: What is the temperature range for the ADM3053BRWZ-REEL7? A: The ADM3053BRWZ-REEL7 operates within the industrial temperature range of -40°C to +85°C.

This detailed explanation should cover all the essential aspects of the ADM3053BRWZ-REEL7, from pinout to usage in various applications.