ADM3064EBRMZ - 3.0V-5.5V RS-485 Transceiver | Analog Devices
MPN: ADM3064EBRMZ ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.82 | $1,820.00 |
ADM3064EBRMZ Overview
RS-485 is a differential serial communication standard that enables multi-point networks with up to 32 unit loads on a single bus. It is widely used in industrial automation, building control, and process instrumentation due to its noise immunity and long-distance capability (up to 1200 meters). The ADM3064E belongs to the ADM306x family of transceivers, which includes both half-duplex and full-duplex variants with varying speed grades. This family is designed to meet the EIA/TIA-485 standard and offers fail-safe receiver outputs, thermal shutdown, and glitch-free power-up/power-down behavior.
Key features of the ADM3064EBRMZ include a wide supply range (3.0V to 5.5V), dual data rates (500 kbps and 50 Mbps), ±12 kV IEC ESD protection, and a 1/8 unit load receiver input impedance, allowing up to 256 transceivers on a bus. The device also features a hot-swap capability that prevents glitches during power-up, and it is PROFIBUS compliant at VCC ≥ 4.5V. The receiver has full fail-safe protection against short-circuit, open-circuit, and bus-idle conditions, ensuring a defined logic level even when the bus is undriven.
From a technical perspective, the ADM3064E uses a differential driver with slew-rate limiting to reduce EMI and reflections, and the receiver includes a true fail-safe circuit that distinguishes between a valid bus state and a fault condition. The device is specified for operation over the extended industrial temperature range of -40°C to +125°C, making it suitable for harsh environments. The MSOP-10 package has a thermal resistance of approximately 150°C/W, which is adequate for the low power dissipation of this transceiver.
Typical applications include industrial fieldbus networks, HVAC systems, building automation, and motor control drives. The ADM3064EBRMZ is also used in security systems and remote sensor interfaces where reliable data transmission over twisted-pair cables is essential. Its dual-speed capability allows it to be used in both low-speed sensor networks and high-speed backplane communications.
When designing with this device, it is important to terminate the bus properly (typically 120Ω at both ends) and to bias the bus to a known state when idle. The fail-safe receiver simplifies this by providing a default high output when the bus is open or shorted. Additionally, the ESD protection on the bus pins eliminates the need for external TVS diodes in many applications, reducing component count and cost.
Drop-in alternatives for ADM3064EBRMZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADM3064EBRMZ (same form factor and footprint) — differing in Package, Duplex, Data Rate, ESD Protection, ESD Protection (IEC).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADM3063EBRMZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.71 / Unit
View Datasheet →ADM3065EBRMZ
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.82 / Unit
View Datasheet →ISL3170EIUZ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ADM3064EBRMZ Specifications
| Supply Voltage Range | 3.0 V to 5.5 V |
| Data Rate (Low Speed) | 500 kbps |
| Data Rate (High Speed) | 50 Mbps |
| Number of Drivers | 1 |
| Number of Receivers | 1 |
| Duplex | Half |
| ESD Protection (IEC) | ±12 kV |
| ESD Protection (HBM) | ≥ ±30 kV |
| Receiver Fail-Safe | Short-circuit, open-circuit, bus idle |
| Unit Load | 1/8 |
| Hot Swap Support | Yes (glitch-free power-up/power-down) |
| PROFIBUS Compliance | Yes (VCC ≥ 4.5 V) |
| Operating Temperature Range | -40°C to +125°C |
| Package | 10-Lead MSOP (RMZ) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
ADM3064EBRMZ Pin Configuration
| Pin 1 | RO — Receiver output |
| Pin 2 | RE — Receiver enable (active low) |
| Pin 3 | DE — Driver enable (active high) |
| Pin 4 | DI — Driver input |
| Pin 5 | GND — Ground |
| Pin 6 | A — Non-inverting bus pin |
| Pin 7 | B — Inverting bus pin |
| Pin 8 | VCC — Power supply |
Typical Applications
ADM3064EBRMZ is suitable for 6 applications: Industrial Fieldbus Networks, Building Automation, Motor Control Drives, Security and Surveillance Systems, Remote Sensor Interfaces, Test and Measurement Equipment.
Industrial Fieldbus Networks
The ADM3064EBRMZ is ideal for industrial fieldbus networks such as PROFIBUS and Modbus, where reliable communication over long cable runs is critical. Its 500 kbps data rate is suitable for low-speed sensor networks, while the 50 Mbps mode supports high-speed backplane communication. The ±12 kV IEC ESD protection ensures robustness in harsh factory environments, and the 1/8 unit load allows up to 256 nodes on a single bus, enabling large-scale automation systems. The fail-safe receiver guarantees a defined logic state even when the bus is idle, preventing false triggers in safety-critical applications.
Recommended
Building Automation
In building automation systems, the ADM3064EBRMZ is used for HVAC control, lighting control, and access control networks. Its wide supply range (3.0V to 5.5V) allows integration with both 3.3V and 5V microcontrollers, simplifying power design. The low-speed 500 kbps mode is sufficient for transmitting sensor data and control commands over distances up to 1200 meters. The hot-swap capability ensures glitch-free insertion of nodes without disrupting the bus, which is essential for maintenance in occupied buildings. The compact MSOP package saves PCB space in wall-mounted controllers.
Recommended
Motor Control Drives
The ADM3064EBRMZ is well-suited for motor control drives, where it provides communication between the drive and a central PLC or HMI. The high-speed 50 Mbps mode enables fast parameter updates and real-time monitoring, while the 500 kbps mode is used for configuration and diagnostics. The ±12 kV ESD protection is critical in motor drive environments, where high-voltage switching can induce transients on the communication bus. The extended temperature range (-40°C to +125°C) ensures reliable operation in the thermal stress of motor cabinets. The fail-safe receiver prevents spurious signals during power-up or bus faults.
Recommended
Security and Surveillance Systems
In security systems, the ADM3064EBRMZ is used for communication between cameras, sensors, and control panels over RS-485 buses. Its low-speed 500 kbps mode is ideal for transmitting PTZ control commands and alarm signals over long cable runs. The 1/8 unit load allows many devices to be connected to a single bus, simplifying wiring in large installations. The hot-swap feature enables adding or removing cameras without powering down the entire system, which is crucial for continuous surveillance. The fail-safe receiver ensures that a disconnected camera does not cause false alarms.
Recommended
Remote Sensor Interfaces
The ADM3064EBRMZ is used in remote sensor interfaces for environmental monitoring, oil and gas, and agricultural applications. Its low power consumption and wide supply range make it suitable for battery-powered or solar-powered sensor nodes. The 500 kbps data rate is sufficient for transmitting sensor readings at regular intervals, and the long-distance capability allows sensors to be placed far from the central controller. The ±12 kV ESD protection is essential for outdoor installations where lightning-induced surges are a concern. The compact MSOP package is ideal for small sensor enclosures.
Recommended
Test and Measurement Equipment
In test and measurement equipment, the ADM3064EBRMZ provides a reliable communication interface for data acquisition systems, oscilloscopes, and programmable power supplies. The high-speed 50 Mbps mode enables fast data transfer for waveform capture and instrument control, while the 500 kbps mode is used for slower configuration commands. The fail-safe receiver ensures that the instrument does not misinterpret a floating bus as a valid data signal. The wide supply range allows integration with various logic levels, and the extended temperature range supports operation in benchtop and field instruments.
Recommended
Recommended Products Summary
Engineering reference data for ADM3064EBRMZ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADM3064EBRZ | ADM3063EBRMZ | ADM3065EBRMZ | ISL3170EIUZ |
|---|---|---|---|---|---|
| Package | 10-MSOP | 14-SOIC | 10-MSOP | 10-MSOP | 10-MSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Renesas Electronics |
| Data Rate (Max) | 50 Mbps | 50 Mbps | 500 kbps | 50 Mbps | 20 Mbps |
| Duplex | Half | Half | Half | Full | Half |
| ESD Protection (IEC) | ±12 kV | ±12 kV | ±12 kV | ±12 kV | ±16.5 kV |
| Unit Load | 1/8 | 1/8 | 1/8 | 1/8 | 1/8 |
| Supply Voltage Range | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 5.5V | 3.0V to 3.6V |
| Operating Temperature Range | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C |
Key Differentiators
- Dual data rate capability (500 kbps and 50 Mbps) (vs ADM3063EBRMZ)
- 1/8 unit load allows up to 256 nodes on a bus (vs MAX3485EESA)
- Extended temperature range up to 125°C (vs ISL3170EIUZ)
Design Notes
Place the ADM3064EBRMZ close to the bus connector to minimize trace length and reduce EMI. Use a 0.1µF decoupling capacitor close to the VCC pin and a 10µF bulk capacitor nearby. For the bus lines, use twisted-pair cabling and consider adding a 120Ω termination resistor at both ends of the bus to match the characteristic impedance and prevent reflections.
Ensure that the DE and RE pins are not left floating; they should be tied to defined logic levels. When using the device in half-duplex mode, implement a direction control signal to switch between transmit and receive. Also, avoid exceeding the absolute maximum ratings on the bus pins, as the ESD protection is for transient events, not continuous overvoltage.
The ADM3064EBRMZ has low power dissipation, typically less than 100mW, so thermal management is not critical. However, in high-temperature environments (up to 125°C), ensure that the PCB layout provides adequate heat dissipation through the ground plane. The MSOP package has a thermal resistance of approximately 150°C/W, which is sufficient for this device.
Compliance Information
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Lead-free finish.
