ADM3065EBRMZ - 50Mbps RS-485 Transceiver | Analog Devices
料号： ADM3065EBRMZ ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 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 |
ADM3065EBRMZ 概述
An RS-485 transceiver is an integrated circuit that implements the physical layer of the RS-485 standard, enabling differential data transmission over long distances (up to 1200 meters) and supporting multi-drop networks with up to 32 unit loads. The ADM3065E family is part of the broader interface IC category, which includes RS-232, RS-422, and RS-485 transceivers, and is essential for reliable communication in noisy industrial environments.
Key features include ±12 kV IEC ESD protection on the A and B bus pins (contact and air gap discharge), a wide supply voltage range, and a high data rate of 50 Mbps. The device also features a half-duplex configuration with a driver and receiver enable pin, allowing efficient bus control. The wide operating temperature range of -40°C to +125°C ensures reliable performance in harsh industrial settings.
The ADM3065E uses a differential signaling architecture that provides high noise immunity and common-mode rejection, essential for long cable runs. The transceiver includes thermal shutdown and short-circuit protection, enhancing system reliability. The 8-lead MSOP package has a thermal resistance of approximately 206°C/W (junction-to-ambient), which should be considered for high-temperature applications.
Typical applications include industrial automation, building automation (HVAC, lighting control), and instrumentation systems where high-speed, robust communication is required. The device is also suitable for motor control drives and remote sensor networks.
When designing with the ADM3065EBRMZ, ensure proper termination resistors (120 Ω) at both ends of the bus to minimize reflections. The enable pins should be controlled to avoid bus contention, and the A and B pins should be biased to a known state when the bus is idle.
直接替换替代料： ADM3065EBRMZ ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADM3065EBRMZ （相同外形与封装尺寸） ——差异在于 Package, ESD Protection, Data Rate, Number of Pins, Type.
快速对比工具——选择替代料号进行并排对比：
ADM3065EBRMZ-R7
✅ 直接替换📋 参考替代料（不在目录中）
ISL3170EIUZ
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADM3065EBRMZ 规格参数
| Type | Transceiver |
| Protocol | RS-485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| 数据速率 | 50 Mbps |
| 电源电压 | 3.0 V to 5.5 V |
| ESD Protection | ±12 kV IEC (contact and air gap) |
| 工作温度 | -40°C to +125°C |
| 封装 | 8-MSOP |
| 安装类型 | Surface Mount |
| 引脚数 | 8 |
| RoHS 状态 | Compliant |
| REACH | Unaffected |
| MSL 等级 | 1 (Unlimited) |
| Thermal Resistance (θJA) | 206 °C/W |
ADM3065EBRMZ 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
ADM3065EBRMZ 适用于 6 应用s: Industrial Automation, Building Automation, Instrumentation, Motor Control Drives, Remote Sensor Networks, Security Systems.
Industrial Automation
The ADM3065EBRMZ is ideal for industrial automation networks requiring high-speed, robust communication. Its 50 Mbps data rate supports fast data transfer between PLCs, sensors, and actuators. The ±12 kV ESD protection ensures reliability in harsh factory environments. The wide supply voltage range (3.0 V to 5.5 V) allows integration with various logic levels. The half-duplex configuration simplifies bus wiring, and the MSOP-8 package saves PCB space. For multi-drop networks, the device supports up to 32 nodes, enabling scalable automation systems.
推荐
Building Automation
In building automation, the ADM3065EBRMZ provides reliable communication for HVAC, lighting, and access control systems. Its high data rate enables quick response times for real-time control. The ESD protection safeguards against electrostatic discharge from cabling. The wide temperature range (-40°C to +125°C) ensures operation in unconditioned spaces. The half-duplex interface reduces wiring complexity, and the small MSOP-8 package fits into compact controllers. The device's low power consumption is suitable for energy-efficient building systems.
推荐
Instrumentation
The ADM3065EBRMZ is well-suited for instrumentation systems that require high-speed data acquisition and control. Its 50 Mbps data rate allows rapid transmission of measurement data. The ±12 kV ESD protection ensures reliability in test environments. The wide supply voltage range accommodates various power rails. The half-duplex configuration is ideal for point-to-point or multi-drop instrument networks. The MSOP-8 package is compact for portable instruments. The device's robust design ensures accurate data transfer in noisy industrial settings.
推荐
Motor Control Drives
The ADM3065EBRMZ enables high-speed communication between motor drives and controllers. Its 50 Mbps data rate supports real-time control commands. The ESD protection is critical in motor drive environments with high electromagnetic interference. The wide temperature range (-40°C to +125°C) suits industrial motor enclosures. The half-duplex interface allows simple daisy-chaining of multiple drives. The MSOP-8 package fits into compact drive PCBs. The device's robust design ensures reliable operation in high-vibration environments.
推荐
Remote Sensor Networks
The ADM3065EBRMZ is ideal for remote sensor networks that require long-distance, high-speed data transmission. Its differential signaling provides noise immunity over long cable runs. The 50 Mbps data rate supports high-bandwidth sensor data. The ESD protection ensures reliability in outdoor environments. The wide supply voltage range allows battery-powered operation. The half-duplex configuration reduces wiring, and the MSOP-8 package is suitable for compact sensor nodes. The device's low power consumption extends battery life.
推荐
Security Systems
The ADM3065EBRMZ provides reliable communication in security systems, such as access control and surveillance. Its high data rate supports video and control data transmission. The ESD protection is essential for outdoor camera installations. The wide temperature range ensures operation in various climates. The half-duplex interface simplifies wiring in security panels. The MSOP-8 package fits into compact security devices. The device's robust design ensures secure and reliable data transfer.
推荐
推荐产品汇总
工程参考数据： ADM3065EBRMZ ——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 | ADM3065EBRMZ-R7 | ADM3065EBRZ | ISL3170EIUZ |
|---|---|---|---|---|
| Package | 8-MSOP | 8-MSOP | 8-SOIC | 8-MSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Renesas Electronics |
| Data Rate | 50 Mbps | 50 Mbps | 50 Mbps | 20 Mbps |
| 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 3.6 V |
| ESD Protection | ±12 kV IEC | ±12 kV IEC | ±12 kV IEC | ±16 kV HBM |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C |
| Duplex | Half | Half | Half | Half |
| Pin Compatibility | Reference | Yes | No (different package) | Yes |
关键差异点
- Higher data rate than many competitors （对比 ISL3170EIUZ)
- Wider supply voltage range （对比 ISL3170EIUZ)
- Extended temperature range （对比 ISL3170EIUZ)
设计说明
Place the ADM3065EBRMZ 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 pin. For noisy industrial environments, add a 10 µF bulk capacitor. Ensure the power supply can handle the transient currents during data transmission.
Avoid bus contention by ensuring only one driver is enabled at a time. Use the RE and DE pins to control the bus direction. When the bus is idle, bias the A and B lines to a known state using pull-up and pull-down resistors to prevent undefined receiver output.
合规信息
RoHS3 compliant and REACH unaffected per PartGenie. MSL 1 (unlimited).
