Overview
The ADM488ARZ-REEL is a full-duplex, low power, slew rate limited transceiver produced by Analog Devices Inc. It is designed to meet the Electronics Industries Association (EIA) RS-485 and RS-422 standards, making it suitable for balanced data transmission on multipoint bus transmission lines. This transceiver is ideal for applications requiring reliable and efficient data communication over long distances.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM488ARZ-REEL |
| Supply Voltage | 5 V ± 10% |
| Bus Common-Mode Range | -7 V to +12 V |
| Input Impedance | 12 kΩ |
| Data Rate | Up to 250 kbps |
| Operating Temperature | -40°C to +85°C |
| Package Type | 8-Lead SOIC |
| Duplex Mode | Full-Duplex |
| Number of Drivers/Receivers | 1/1 |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Mounting Type | Surface Mount |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Meets EIA RS-485 and RS-422 standards for reliable data transmission.
- Single 5 V ± 10% power supply for simplicity and efficiency.
- High input impedance (12 kΩ) allowing up to 32 transceivers on the bus.
- Slew rate limited drivers to minimize electromagnetic interference (EMI).
- Thermal shutdown circuit to prevent excessive power dissipation during fault conditions.
- Fail-safe feature in the receiver to ensure a logic high output state if inputs are unconnected.
- High level of robustness with internal protection circuitry, eliminating the need for external protection components.
- 2 kV EFT protection and high EM immunity as per IEC1000-4-4 and IEC1000-4-3 standards.
- Short-circuit protection and excellent noise immunity.
Applications
- Low power RS-485 and RS-422 systems.
- DTE-DCE interface.
- Packet switching.
- Local area networks (LANs).
- Data concentration and data multiplexers.
- Integrated services digital network (ISDN).
Q & A
- What are the primary standards that the ADM488ARZ-REEL complies with?
The ADM488ARZ-REEL complies with both EIA RS-485 and RS-422 standards.
- What is the operating supply voltage range for the ADM488ARZ-REEL?
The operating supply voltage range is 5 V ± 10%.
- What is the maximum data rate supported by the ADM488ARZ-REEL?
The maximum data rate supported is up to 250 kbps.
- What is the input impedance of the ADM488ARZ-REEL?
The input impedance is 12 kΩ.
- How many transceivers can be connected on the bus?
Up to 32 transceivers can be connected on the bus.
- What type of protection does the ADM488ARZ-REEL have against excessive power dissipation?
The ADM488ARZ-REEL has a thermal shutdown circuit to prevent excessive power dissipation during fault conditions.
- Does the ADM488ARZ-REEL have any fail-safe features?
Yes, the receiver has a fail-safe feature that results in a logic high output state if the inputs are unconnected.
- What kind of electromagnetic interference (EMI) protection does the ADM488ARZ-REEL offer?
The ADM488ARZ-REEL has slew rate limited drivers to minimize EMI.
- Is the ADM488ARZ-REEL lead-free and RoHS compliant?
Yes, the ADM488ARZ-REEL is lead-free and RoHS compliant.
- What is the operating temperature range of the ADM488ARZ-REEL?
The operating temperature range is -40°C to +85°C.
