Overview
The ADM489ANZ is a high-speed, low-power RS-422/RS-485 transceiver designed by Analog Devices, Inc. for industrial and commercial applications. This component is optimized for balanced data transmission and complies with both EIA RS-485 and RS-422 standards. It operates on a single 5V power supply and supports data rates up to 250 kbps, making it suitable for full-duplex data transfer. The ADM489ANZ is known for its robust industrial design, wide operating temperature range, and low power consumption, making it an ideal choice for various demanding environments.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ADM489ANZ |
| Manufacturer | Analog Devices, Inc. |
| Supply Voltage | 4.5V to 5.5V |
| Duplex | Full |
| Number of Drivers/Receivers | 1/1 |
| Protocol | RS-422, RS-485 |
| Receiver Hysteresis | 70 mV |
| Data Rate | Up to 250 kbps |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 14-Pin PDIP |
| Bus Common-Mode Range | -7 V to +12 V |
| Input Impedance | 12 kΩ |
| EFT Protection | 2 kV (meets IEC1000-4-4) |
Key Features
- High-speed data transmission up to 250 kbps
- Low power consumption for energy-efficient operation
- Wide operating temperature range of -40°C to +85°C for use in harsh environments
- Robust industrial design for reliable performance
- Compatibility with RS-422 and RS-485 standards for versatile communication
- Full-duplex operation
- Receiver input hysteresis of 70 mV
- Thermal shutdown circuit for preventing excessive power dissipation
- Fail-safe feature in the receiver for logic high output state if inputs are unconnected
- High EM immunity and reduced slew rate for low EM interference
Applications
- Industrial automation and control systems
- Building automation and security systems
- Transportation and infrastructure applications
- Medical equipment
- Data communication systems
- DTE-DCE interface
- Packet switching
- Local area networks
- Data concentration
- Data multiplexers
- Integrated services digital network (ISDN)
Q & A
- What is the primary function of the ADM489ANZ?
The ADM489ANZ is a high-speed, low-power RS-422/RS-485 transceiver designed for balanced data transmission in industrial and commercial applications.
- What are the supported data rates for the ADM489ANZ?
The ADM489ANZ supports data rates up to 250 kbps.
- What is the operating voltage range for the ADM489ANZ?
The operating voltage range is 4.5V to 5.5V.
- What is the operating temperature range for the ADM489ANZ?
The operating temperature range is -40°C to +85°C.
- Is the ADM489ANZ compatible with both RS-422 and RS-485 standards?
Yes, the ADM489ANZ is compatible with both RS-422 and RS-485 standards.
- What type of package is the ADM489ANZ available in?
The ADM489ANZ is available in a 14-Pin PDIP package.
- What is the input impedance of the ADM489ANZ?
The input impedance is 12 kΩ.
- Does the ADM489ANZ have any protection features?
Yes, it includes thermal shutdown circuitry and 2 kV EFT protection (meets IEC1000-4-4).
- What is the fail-safe feature in the receiver of the ADM489ANZ?
The receiver has a fail-safe feature that results in a logic high output state if the inputs are unconnected (floating).
- Can multiple transceivers be connected on the same bus?
Yes, up to 32 transceivers can be connected on the differential bus.
