ADM3061EBRMZ-RL7 - 500kbps RS-485 Transceiver | Analog Devices
料号： ADM3061EBRMZ-RL7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.2 | $22.00 |
| 100 | $1.85 | $185.00 |
| 500 | $1.6 | $800.00 |
| 1,000 | $1.45 | $1,450.00 |
ADM3061EBRMZ-RL7 概述
RS-485 is a standard for multipoint communication systems, allowing multiple devices to share a two-wire bus. The ADM3061E is a transceiver that converts UART signals to differential RS-485 levels, enabling long-distance, noise-immune data transfer. It is part of the interface IC family, specifically designed for industrial automation, building control, and instrumentation.
Key features include a 1/1 driver/receiver configuration, half-duplex operation, and a receiver hysteresis of 30 mV for noise immunity. The device supports a wide operating temperature range of -40°C to +125°C, making it suitable for industrial environments. The MSOP-8 package offers a compact footprint, and the tape-and-reel packaging (RL7) facilitates automated assembly.
The ADM3061E uses a standard RS-485 architecture with a differential driver and receiver. The driver outputs are short-circuit protected, and the receiver has a fail-safe feature that ensures a high output when the bus is open, shorted, or idle. The device also features thermal shutdown protection to prevent damage from excessive power dissipation.
Typical applications include industrial control systems, building automation, HVAC controllers, and remote sensor networks. The wide supply range and ESD protection make it ideal for factory floor installations where electrical noise and transient voltages are common.
When designing with this device, ensure proper termination resistors (120 Ω) at both ends of the bus to minimize reflections. The A and B pins should be biased to a known state to avoid undefined receiver outputs when the bus is idle.
直接替换替代料： ADM3061EBRMZ-RL7 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
ADM3061EBRMZ-R7
✅ 直接替换📋 参考替代料（不在目录中）
ADM3061EBRMZ-RL7 规格参数
| Type | Transceiver |
| Protocol | RS-485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Receiver Hysteresis | 30 mV |
| 数据速率 | 500 kbps |
| 电源电压 | 3 V to 5.5 V |
| 工作温度 | -40°C to +125°C |
| 安装类型 | Surface Mount |
| 封装 / 外壳 | 8-MSOP |
| ESD Protection | ±12 kV IEC (A and B pins) |
| Fail-Safe | Open, short, idle |
| 热关断 | Yes |
| RoHS 状态 | Compliant |
| Packaging | Tape & Reel (RL7) |
ADM3061EBRMZ-RL7 引脚配置
| 引脚 1 | RO — Receiver output |
| 引脚 2 | RE — Receiver enable (active low) |
| 引脚 3 | DE — Driver enable (active high) |
| 引脚 4 | DI — Driver input |
| 引脚 5 | GND — Ground |
| 引脚 6 | A — Non-inverting bus pin |
| 引脚 7 | B — Inverting bus pin |
| 引脚 8 | VCC — Power supply |
典型应用
ADM3061EBRMZ-RL7 适用于 6 应用s: Industrial Control Systems, Building Automation, Remote Sensor Networks, HVAC Controllers, Instrumentation, Security Systems.
Industrial Control Systems
The ADM3061EBRMZ-RL7 is ideal for industrial control systems where reliable, long-distance communication is critical. Its 500 kbps data rate and ±12 kV ESD protection ensure robust operation in noisy factory environments. The wide supply voltage range (3.0 V to 5.5 V) allows integration with various logic levels, and the half-duplex operation simplifies wiring in multi-drop networks. The MSOP-8 package saves PCB space, making it suitable for compact PLC modules and remote I/O units.
推荐
Building Automation
In building automation, the ADM3061EBRMZ-RL7 enables communication between HVAC controllers, lighting systems, and security panels. Its fail-safe receiver ensures a defined output when the bus is idle, preventing false triggers. The -40°C to +125°C temperature range allows operation in unconditioned spaces. The device's low power consumption and 3.3 V operation make it suitable for battery-powered sensors. The compact MSOP package fits into small form-factor controllers.
推荐
Remote Sensor Networks
The ADM3061EBRMZ-RL7 is well-suited for remote sensor networks that require long-distance data transmission. Its differential signaling provides noise immunity over long cable runs, and the 500 kbps data rate is sufficient for most sensor data. The ±12 kV ESD protection guards against electrostatic discharge during installation and maintenance. The wide supply range allows operation from battery or solar-powered systems. The half-duplex interface reduces wiring complexity in multi-point networks.
推荐
HVAC Controllers
The ADM3061EBRMZ-RL7 is used in HVAC controllers to communicate with thermostats, dampers, and central management systems. Its robust ESD protection and wide temperature range ensure reliable operation in rooftop units and mechanical rooms. The 3.0 V to 5.5 V supply range allows direct interfacing with both 3.3 V and 5 V microcontrollers. The fail-safe receiver prevents false commands during bus idle, enhancing system safety. The MSOP-8 package is ideal for space-constrained controller boards.
推荐
Instrumentation
In instrumentation, the ADM3061EBRMZ-RL7 provides reliable communication between measurement devices and data acquisition systems. Its 500 kbps data rate supports high-speed data logging, and the ±12 kV ESD protection ensures durability in field use. The wide supply range and low power consumption make it suitable for portable instruments. The half-duplex operation simplifies cabling in multi-device setups. The compact MSOP package allows integration into handheld devices.
推荐
Security Systems
The ADM3061EBRMZ-RL7 is used in security systems for communication between control panels, sensors, and cameras. Its fail-safe receiver ensures reliable operation even when the bus is idle, preventing false alarms. The ±12 kV ESD protection is critical for outdoor installations. The wide temperature range allows operation in extreme environments. The half-duplex interface reduces wiring cost in large installations. The MSOP-8 package is suitable for compact security modules.
推荐
推荐产品汇总
工程参考数据： ADM3061EBRMZ-RL7 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADM3061EBRMZ-R7 | ADM3061EBRZ | MAX3485E | ISL3170E |
|---|---|---|---|---|---|
| Package | 8-MSOP | 8-MSOP | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated | Renesas |
| Data Rate | 500 kbps | 500 kbps | 500 kbps | 10 Mbps | 20 Mbps |
| Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 3.6 V | 3 V to 3.6 V |
| ESD Protection | ±12 kV IEC | ±12 kV IEC | ±12 kV IEC | ±15 kV HBM | ±16.5 kV HBM |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C | -40°C to +85°C |
| Fail-Safe | Open, short, idle | Open, short, idle | Open, short, idle | Open, short, idle | Open, short, idle |
| Price (1pc) | $2.45 | $2.45 | $2.30 | $1.80 | $2.00 |
关键差异点
- Wide supply voltage range (3.0 V to 5.5 V) （对比 MAX3485E)
- Extended temperature range (-40°C to +125°C) （对比 ISL3170E)
- ±12 kV IEC ESD protection （对比 MAX3485E)
设计说明
Place the ADM3061EBRMZ-RL7 close to the bus connector to minimize trace length and reduce EMI. Use 120 Ω termination resistors at both ends of the RS-485 bus to prevent signal reflections. Keep the A and B traces parallel and close together to maintain differential impedance.
Decouple the VCC pin with a 0.1 µF ceramic capacitor placed as close as possible to the device. For noisy industrial environments, add a 10 µF electrolytic capacitor in parallel. Ensure the ground plane is solid and continuous to provide a low-impedance return path.
Do not leave the RE and DE pins floating; tie them to appropriate logic levels to avoid unintended operation. When the bus is idle, ensure proper biasing to maintain a defined receiver output. Avoid exceeding the absolute maximum ratings on the A and B pins, as this can damage the device despite ESD protection.
合规信息
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
