ADM3061EBRMZ - 3.0-5.5V Half-Duplex RS-485 Transceiver | Analog Devices
N.º da peça: ADM3061EBRMZ ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.35 | $2,35 |
| 10 | $2.11 | $21,10 |
| 100 | $1.88 | $188,00 |
| 500 | $1.69 | $845,00 |
| 1.000 | $1.52 | $1.520,00 |
ADM3061EBRMZ Visão geral
RS-485 is a standard for serial communication systems that allows multiple devices to communicate over long distances using differential signaling. It is widely used in industrial automation, building control, and instrumentation networks. The ADM3061E is part of a family of RS-485 transceivers that includes full-duplex and higher-speed variants, providing design flexibility.
Key features include a wide supply voltage range, low quiescent current, and thermal shutdown protection. The transceiver is designed for half-duplex operation, with a driver and receiver sharing the same bus lines. The ±12 kV IEC ESD protection ensures reliability in harsh environments, reducing the need for external protection components.
The ADM3061E uses a standard RS-485 architecture with a differential driver and receiver. It includes a fail-safe receiver that guarantees a logic-high output when the bus is open, shorted, or idle, preventing false data. The device also features a 1/8 unit load, allowing up to 256 transceivers on a single bus, which is critical for large networks.
Typical applications include industrial control systems, building automation, HVAC controllers, and remote sensor networks. The wide supply range and robust ESD protection make it suitable for factory floors and outdoor installations. The half-duplex interface simplifies wiring, reducing cost and complexity.
When designing with the ADM3061EBRMZ, ensure proper termination resistors (120 Ω) at both ends of the bus to minimize reflections. The fail-safe feature eliminates the need for external bias resistors, simplifying the design. For higher data rates, consider the ADM3062E or ADM3063E variants.
Alternativas drop-in para ADM3061EBRMZ — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ADM3061EBRMZ (mesmo formato e footprint) — diferindo em Package, Duplex, ESD Protection.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ADM3062EBRMZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.35 / unidade
Ver ficha técnica →ADM3063EBRMZ
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.71 / unidade
Ver ficha técnica →ADM3061EBRMZ Especificações
| Type | RS-485 Transceiver |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Tensão de alimentação | 3.0 V to 5.5 V |
| Taxa de dados | 500 kbps |
| ESD Protection | ±12 kV IEC (contact discharge) |
| Fail-Safe | Open, short, idle |
| Unit Load | 1/8 |
| Number of Nodes | 256 |
| Encapsulamento | 8-MSOP |
| Temperatura de operação | -40°C to +125°C |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| REACH Status | Compliant |
| Nível MSL | 1 |
Configuração de pinos do ADM3061EBRMZ
| Pino 1 | RO — Receiver output |
| Pino 2 | RE — Receiver enable (active low) |
| Pino 3 | DE — Driver enable (active high) |
| Pino 4 | DI — Driver input |
| Pino 5 | GND — Ground |
| Pino 6 | A — Non-inverting bus pin |
| Pino 7 | B — Inverting bus pin |
| Pino 8 | VCC — Power supply |
Aplicações típicas
ADM3061EBRMZ é adequado para 6 aplicaçãos: Industrial Automation, Building Automation, Remote Sensor Networks, HVAC Control Systems, Test and Measurement Equipment, Security and Surveillance.
Industrial Automation
The ADM3061EBRMZ is ideal for industrial automation networks, such as PLC-to-sensor communication over RS-485. Its wide supply voltage range (3.0 V to 5.5 V) allows integration with both 3.3 V and 5 V logic, while the ±12 kV IEC ESD protection ensures reliability in electrically noisy factory environments. The half-duplex interface supports standard Modbus RTU protocols at baud rates up to 500 kbps, enabling robust data exchange over long cable runs. The 1/8 unit load permits up to 256 nodes on a single bus, facilitating large-scale automation systems. The fail-safe receiver prevents false data during bus idle or fault conditions, enhancing system integrity.
Recomendado
Building Automation
In building automation, the ADM3061EBRMZ is used in HVAC controllers, lighting systems, and access control panels. Its low power consumption and wide temperature range (-40°C to +125°C) make it suitable for rooftop units and outdoor sensors. The half-duplex RS-485 interface simplifies wiring in daisy-chain topologies, reducing installation cost. The ±12 kV ESD protection guards against electrostatic discharge from human contact or cable handling, ensuring long-term reliability. The fail-safe receiver ensures that a floating bus does not cause false alarms in security systems. With up to 256 nodes, it supports large building networks, and the 500 kbps data rate is sufficient for most control protocols.
Recomendado
Remote Sensor Networks
The ADM3061EBRMZ is well-suited for remote sensor networks, such as environmental monitoring stations and agricultural sensors. Its 3.0 V to 5.5 V supply range allows battery-powered operation with 3.3 V regulators, while the low quiescent current extends battery life. The half-duplex interface enables communication over twisted-pair cables up to 1200 meters, making it ideal for distributed sensor arrays. The ±12 kV ESD protection ensures survival in outdoor installations exposed to lightning-induced surges. The 1/8 unit load allows many sensors to share a single bus, simplifying data aggregation. The fail-safe receiver ensures reliable data even when a sensor is disconnected.
Recomendado
HVAC Control Systems
The ADM3061EBRMZ is used in HVAC control systems for communication between thermostats, dampers, and central controllers. Its wide supply voltage range accommodates both 24 V AC-powered systems (with a regulator) and low-voltage DC systems. The half-duplex RS-485 interface supports daisy-chain wiring, reducing installation complexity. The ±12 kV ESD protection is critical in environments with frequent static discharge from HVAC ductwork. The fail-safe receiver ensures that a disconnected thermostat does not cause the system to malfunction. With a data rate of 500 kbps, it can handle real-time control commands and status updates. The 8-MSOP package is compact, fitting into space-constrained thermostat designs.
Recomendado
Test and Measurement Equipment
The ADM3061EBRMZ is used in test and measurement equipment, such as data loggers and programmable power supplies, for remote control and data acquisition. Its high ESD protection (±12 kV IEC) ensures reliability in lab environments where static discharge is common. The half-duplex RS-485 interface allows multiple instruments to be connected to a single controller, simplifying test setups. The wide supply voltage range (3.0 V to 5.5 V) makes it compatible with various logic levels. The fail-safe receiver prevents false triggering of measurements when the bus is idle. The 500 kbps data rate is sufficient for streaming measurement data, and the 8-MSOP package saves board space in compact instruments.
Recomendado
Security and Surveillance
The ADM3061EBRMZ is used in security and surveillance systems for communication between cameras, sensors, and control panels. Its robust ESD protection (±12 kV IEC) is essential for outdoor installations exposed to lightning and static discharge. The half-duplex RS-485 interface supports long-distance communication up to 1200 meters, allowing cameras to be placed far from the control room. The fail-safe receiver ensures that a disconnected camera does not trigger false alarms. The wide supply voltage range (3.0 V to 5.5 V) allows integration with various power sources. The 1/8 unit load supports up to 256 devices, enabling large-scale surveillance networks. The 500 kbps data rate is adequate for control signals and low-resolution video metadata.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADM3061EBRMZ — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADM3061EBRZ | ADM3062EBRMZ | ADM3063EBRMZ | MAX3485EESA | SN65HVD3082ED |
|---|---|---|---|---|---|---|
| Package | 8-MSOP | 8-SOIC | 8-MSOP | 8-MSOP | 8-SOIC | 8-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated | Texas Instruments |
| Duplex | Half | Half | Full | Full | Half | Half |
| Data Rate | 500 kbps | 500 kbps | 500 kbps | 50 Mbps | 10 Mbps | 200 kbps |
| ESD Protection | ±12 kV IEC | ±12 kV IEC | ±12 kV IEC | ±12 kV IEC | ±15 kV HBM | ±16 kV HBM |
| Unit Load | 1/8 | 1/8 | 1/8 | 1/8 | 1/8 | 1/8 |
| Fail-Safe | Open, short, idle | Open, short, idle | Open, short, idle | Open, short, idle | Open, short, idle | Open, short, idle |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 3.6 V | 3.0 V to 5.5 V |
Principais diferenciais
- ±12 kV IEC ESD protection (vs MAX3485EESA)
- Wide supply voltage range (3.0 V to 5.5 V) (vs MAX3485EESA)
- Fail-safe receiver (vs SN65HVD3082ED)
Notas de projeto
Place the ADM3061EBRMZ close to the bus connector to minimize trace length and reduce EMI. Use a 0.1 µF decoupling capacitor close to the VCC pin and a 10 µF bulk capacitor nearby. For the RS-485 bus, use twisted-pair cabling and place 120 Ω termination resistors at both ends of the bus to prevent reflections. Keep the A and B traces parallel and away from high-speed digital lines to avoid crosstalk.
Ensure the DE and RE pins are not left floating; tie them to appropriate logic levels to avoid bus contention. When using half-duplex, implement a direction control signal to switch between transmit and receive modes. Do not exceed the absolute maximum ratings for VCC (7 V) or bus voltages. The fail-safe feature eliminates the need for bias resistors, but if the bus is longer than 1200 meters, consider using repeaters.
The ADM3061EBRMZ has low power dissipation, typically less than 100 mW at 5 V and 500 kbps. In most applications, no heatsink is required. However, in high-temperature environments (up to 125°C), ensure adequate PCB copper area for heat dissipation. The 8-MSOP package has a thermal resistance of approximately 200 °C/W, so keep the ambient temperature within limits to avoid exceeding the maximum junction temperature.
Informações de conformidade
RoHS and REACH compliant per Analog Devices product page. Not AEC-Q100 qualified.
