Overview
The ADM1490EBRZ is a high-speed, full-duplex RS-485/RS-422 transceiver manufactured by Analog Devices Inc. This integrated circuit is designed for use in applications requiring reliable and high-speed communication over multipoint transmission lines. The device is particularly suited for motor control applications and industrial field networks where data rates up to 16 Mbps are necessary.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADM1490EBRZ |
| Package | 8-Lead SOIC (0.154", 3.90mm Width) |
| Number of Pins | 8 |
| Logic Function | Transceiver |
| Interface | RS-485, RS-422 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full Duplex |
| Data Rate | 16 Mbps |
| Receiver Hysteresis | 30 mV |
| Supply Voltage | 4.75 V to 5.25 V |
| Operating Temperature | -40°C to 85°C |
| ESD Protection | 8 kV (Human Body Model) |
Key Features
- High-speed data transmission up to 16 Mbps
- Full-duplex operation for simultaneous transmit and receive
- Compliance with ANSI/TIA/EIA-485-A-1998 and RS-422 standards
- 8 kV ESD protection on RS-485 input/output pins
- Open circuit fail-safe and thermal shutdown protection
- Short-circuit protection and thermal circuitry to prevent excessive power dissipation
- Support for up to 32 nodes on the bus
- Low skew and minimal driver propagation delays to minimize EMI interference
Applications
- Industrial field networks
- High-speed motor control applications
- Multipoint data transmission systems
- Single-ended-to-differential signal conversion
- Automotive and industrial automation systems
Q & A
- What is the primary function of the ADM1490EBRZ?
The ADM1490EBRZ is a high-speed, full-duplex RS-485/RS-422 transceiver.
- What is the maximum data rate supported by the ADM1490EBRZ?
The ADM1490EBRZ supports data rates up to 16 Mbps.
- What type of ESD protection does the ADM1490EBRZ offer?
The ADM1490EBRZ offers 8 kV ESD protection on RS-485 input/output pins using the human body model (HBM).
- What is the operating temperature range of the ADM1490EBRZ?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the ADM1490EBRZ?
The supply voltage range is 4.75 V to 5.25 V.
- Does the ADM1490EBRZ support full-duplex operation?
Yes, the ADM1490EBRZ supports full-duplex operation.
- How many nodes can be supported on the bus with the ADM1490EBRZ?
The ADM1490EBRZ can support up to 32 nodes on the bus.
- What kind of protection does the ADM1490EBRZ have against excessive power dissipation?
The ADM1490EBRZ has short-circuit protection and thermal circuitry to prevent excessive power dissipation.
- Is the ADM1490EBRZ compliant with any industry standards?
Yes, it is compliant with ANSI/TIA/EIA-485-A-1998 and RS-422 standards.
- What is the package type of the ADM1490EBRZ?
The ADM1490EBRZ is available in an 8-Lead SOIC package.
