Overview
The ADM3488ARZN-RL7, produced by Analog Devices Inc., is a low-power differential line transceiver designed for RS-422 and RS-485 communications. This component operates on a single 3.3 V power supply, making it energy-efficient and suitable for various industrial and commercial applications. The ADM3488 is a full-duplex transceiver, enabling simultaneous transmission and reception of data, which is particularly useful in daisy-chain network topologies or point-to-point applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-SOIC (0.154, 3.90mm Width) |
| Pin Count | 8 |
| Operating Supply Voltage | 3.3 V |
| Interface | RS-422, RS-485 |
| Driver Number of Bits | 1 |
| Receiver Number of Bits | 1 |
| Data Rate | Up to 250 kbps |
| Receiver Hysteresis | 50 mV |
| Mode | Full Duplex |
Key Features
- Slew Rate Limited Drivers: Minimize EMI and reduce reflections caused by improperly terminated cables, ensuring error-free data transmission.
- Thermal Shutdown Circuit: Prevents excessive power dissipation by forcing the driver outputs into a high impedance state if the die temperature rises excessively.
- Current Limit Protection: Provides immediate protection against short circuits over the whole common-mode voltage range.
- Fail-Safe Feature: Ensures a logic high output state if the inputs are unconnected (floating).
- Low Power Consumption: Operates on a single 3.3 V power supply, making it energy-efficient.
- High Receiver Input Impedance: Allows up to 32 transceivers to be connected on the bus.
Applications
- Multipoint Bus Transmission Lines: Suitable for half-duplex and full-duplex configurations in various network topologies.
- Daisy-Chain Network Topology: Ideal for use in daisy-chain networks or point-to-point applications.
- Industrial I/O and Automation: Used in industrial settings for reliable and efficient data communication.
- Automotive Interfaces: Can be used in automotive applications such as CAN, audio, and Ethernet interfaces.
Q & A
- What is the operating supply voltage of the ADM3488ARZN-RL7?
The ADM3488ARZN-RL7 operates on a single 3.3 V power supply.
- What is the data rate capability of the ADM3488ARZN-RL7?
The ADM3488ARZN-RL7 can transmit and receive data at rates up to 250 kbps.
- What type of duplex mode does the ADM3488ARZN-RL7 support?
The ADM3488ARZN-RL7 supports full-duplex mode, allowing simultaneous transmission and reception of data.
- How many transceivers can be connected on the bus with the ADM3488ARZN-RL7?
Up to 32 transceivers can be connected on the bus due to the high receiver input impedance of 12 kΩ.
- What protection mechanisms are built into the ADM3488ARZN-RL7?
The ADM3488ARZN-RL7 includes current limit protection and a thermal shutdown circuit to prevent excessive power dissipation and short circuits.
- What is the significance of the slew rate limited drivers in the ADM3488ARZN-RL7?
The slew rate limited drivers minimize EMI and reduce reflections caused by improperly terminated cables, ensuring error-free data transmission.
- What happens if the inputs are unconnected (floating) in the ADM3488ARZN-RL7?
If the inputs are unconnected, the receiver contains a fail-safe feature that results in a logic high output state.
- What is the typical propagation delay skew time for the ADM3488ARZN-RL7?
The receiver skew time is under 10 ns, and the driver skew time is typically under 100 ns for the ADM3488).
- Can the ADM3488ARZN-RL7 be used in daisy-chain network topologies?
Yes, the ADM3488ARZN-RL7 is designed to be used in daisy-chain network topologies or point-to-point applications).
- Is the ADM3488ARZN-RL7 still in production?
No, the ADM3488ARZN-RL7 is no longer manufactured. You may need to consider substitute or alternative package types).
