ADM2481BRWZ

The ADM2481BRWZ is a high-speed, digital isolator designed for isolating data and power in industrial applications, particularly in environments that require robust protection against noise and voltage spikes. It features a dual-channel design, allowing for simultaneous data transmission and fault tolerance. The device can operate at data rates up to 25 Mbps, making it suitable for applications such as fieldbus communication and industrial automation.
Key features include a wide operating voltage range (2.5V to 5.5V), low power consumption, and the ability to withstand high voltages up to 5 kVrms isolation. The ADM2481BRWZ is packaged in a small 16-lead TSSOP format, facilitating easy integration into compact designs.
This isolator is particularly useful in systems requiring safety isolation, such as motor control, sensor interfaces, and communication links, ensuring reliable data transfer while protecting sensitive components from electrical noise and transients.

The ADM2481BRWZ is a high-speed, isolated RS-485/RS-422 transceiver designed for robust data communication in noisy environments. Key features include:
1. Isolation: Provides up to 2500 VRMS isolation, ensuring signal integrity in high-voltage applications.
2. Speed: Supports data rates up to 1 Mbps, enabling fast communication over long distances.
3. Enhanced Robustness: Integrated protection features include ±15 kV ESD protection and short-circuit protection, enhancing reliability.
4. Power Supply: Operates with a dual supply voltage, accommodating both the isolated and non-isolated sides.
5. Low Power Consumption: Offers low quiescent current, which is beneficial for power-sensitive applications.
6. Fail-Safe Mechanism: Supports a fail-safe feature for open-circuit detection, ensuring reliable operation.
7. Temperature Range: Functional over a wide temperature range, making it suitable for various industrial environments.
Overall, the ADM2481BRWZ is ideal for industrial automation, process control, and other applications requiring reliable, isolated communication.

The ADM2481BRWZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with a width of 4.4 mm.

The ADM2481BRWZ is a high-speed, isolated RS-485/RS-422 transceiver with a total of 16 pins.
Pin Functions:
1. VDD1 (Pin 1): Positive supply voltage for the logic side (3.3V or 5V).
2. GND1 (Pin 2): Ground for the logic side.
3. RO (Pin 3): Receiver Output.
4. RE (Pin 4): Receiver Enable (active low).
5. DI (Pin 5): Driver Input.
6. DE (Pin 6): Driver Enable (active high).
7. A (Pin 7): Non-inverting output for RS-485.
8. B (Pin 8): Inverting output for RS-485.
9. VDD2 (Pin 9): Positive supply voltage for the isolated side.
10. GND2 (Pin 10): Ground for the isolated side.
11-16: Additional pins include various isolation and control functions.
The ADM2481BRWZ is designed for robust data transmission in industrial environments, with built-in isolation to protect against voltage spikes and ground loops.

The ADM2481BRWZ is manufactured by Analog Devices, Inc., a prominent global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices focuses on delivering innovative solutions for various applications, including communications, automotive, industrial, healthcare, and consumer electronics. The company is known for its expertise in precision signal processing and has a strong reputation for reliability and quality in its semiconductor products.

The ADM2481BRWZ is an isolated RS-485/RS-422 transceiver used in industrial automation, process control, and building automation. It provides bidirectional communication over long distances while ensuring electrical isolation, making it suitable for applications in data acquisition systems, motor control, and remote sensor networks. Its robust design allows for reliable operation in noisy environments.

Equivalent products to the ADM2481BRWZ chip include the ISOLATOR series from Analog Devices and the ADuM series from Analog Devices, particularly the ADuM1201 and ADuM1202. Additionally, the Texas Instruments ISO7221 and ISO7220 may serve similar functions in isolated communication applications. Be sure to verify specific requirements such as voltage ratings, data rates, and isolation specifications when selecting alternatives.