ADM3066EBRMZ - 50Mbps RS-485 Transceiver | Analog Devices
MPN： ADM3066EBRMZ ✓ 啟用中ADM3066EBRMZ 概覽
RS-485 is a standard for multipoint communication networks, allowing multiple transceivers to share a two-wire bus. The ADM3066E implements the physical layer of RS-485, converting TTL/CMOS logic levels to differential signals and vice versa. It supports half-duplex operation, meaning it can either transmit or receive but not simultaneously, which is typical for many industrial control and building automation networks.
Key features include a wide supply range, high data rate, and robust ESD protection. The VIO pin allows the logic interface to operate at lower voltages, saving power and simplifying level shifting. The device also features a low quiescent current, making it suitable for power-sensitive applications. The 10-MSOP package is compact and suitable for space-constrained designs.
Technically, the ADM3066E uses a differential driver and receiver with fail-safe circuitry that ensures a defined output when the bus is open, shorted, or idle. The receiver has a wide common-mode input range, allowing operation in noisy environments. The driver is capable of driving up to 32 unit loads, supporting large networks.
Typical applications include industrial automation, building automation, HVAC systems, and motor control. The high data rate supports real-time control, while the ESD protection ensures reliability in harsh conditions.
When designing with this device, ensure proper termination (120 Ω) at both ends of the bus and keep the VIO supply within the specified range to avoid logic interface damage.
直接替換替代品，適用於 ADM3066EBRMZ — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： ADM3066EBRMZ （相同外形與佔位） — 差異在於 Package, ESD Protection, Type, Thermal Resistance (θJA).
ADM3065EBRMZ
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →MAX3485E
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
SN65HVD3082E
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ISL3170E
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
ADM3066EBRMZ 規格
| Type | RS-485 Transceiver |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| 資料速率 | 50 Mbps |
| Supply Voltage (VCC) | 3.0 V to 5.5 V |
| Logic Supply (VIO) | 1.62 V to 5.5 V |
| ESD Protection | ±12 kV IEC (A and B pins) |
| 封裝 | 10-MSOP |
| 工作溫度 | -40°C to +125°C |
| Number of Nodes | 32 |
| Fail-Safe | Open, short, idle |
| Common-Mode Input Range | -7 V to +12 V |
| RoHS 狀態 | Compliant |
| 安裝類型 | Surface Mount |
ADM3066EBRMZ 腳位配置
| 腳位 1 | VCC — Power supply (3.0 V to 5.5 V) |
| 腳位 2 | RO — Receiver output |
| 腳位 3 | RE — Receiver enable (active low) |
| 腳位 4 | DE — Driver enable (active high) |
| 腳位 5 | DI — Driver input |
| 腳位 6 | GND — Ground |
| 腳位 7 | A — Non-inverting bus pin |
| 腳位 8 | B — Inverting bus pin |
| 腳位 9 | VIO — Logic supply (1.62 V to 5.5 V) |
| 腳位 10 | NC — No connect |
典型應用
ADM3066EBRMZ 適用於 6 應用s: Industrial Automation, Building Automation, Motor Control, HVAC Systems, Security Systems, Test and Measurement.
Industrial Automation
The ADM3066EBRMZ is ideal for industrial automation networks where high-speed data communication is required. With a 50 Mbps data rate and robust ±12 kV ESD protection, it ensures reliable data transfer in PLCs, motor drives, and sensor networks. The wide supply range (3.0 V to 5.5 V) and VIO logic supply allow direct interfacing with low-voltage microcontrollers, simplifying design. Its half-duplex operation is suitable for multi-drop bus topologies common in factory automation.
推薦
Building Automation
In building automation systems, the ADM3066EBRMZ provides reliable communication for HVAC controllers, lighting systems, and access control panels. Its high data rate supports real-time monitoring and control, while the wide operating temperature range (-40°C to +125°C) ensures performance in harsh environments. The VIO pin enables seamless connection to 3.3V logic, reducing power consumption. The device's fail-safe feature ensures a defined output when the bus is idle, preventing false triggers.
推薦
Motor Control
The ADM3066EBRMZ is well-suited for motor control applications where high-speed communication between drives and controllers is essential. Its 50 Mbps data rate allows fast command and feedback signals, improving system responsiveness. The robust ESD protection safeguards against transient voltages in industrial environments. The half-duplex operation is efficient for point-to-point or multi-drop configurations. The wide supply range accommodates various power rails, and the VIO pin simplifies interfacing with DSPs or FPGAs.
推薦
HVAC Systems
For HVAC systems, the ADM3066EBRMZ enables reliable communication between thermostats, controllers, and remote sensors. Its high data rate supports rapid updates of temperature and humidity readings, while the wide temperature range ensures operation in outdoor units. The VIO logic supply allows direct connection to low-power microcontrollers, reducing overall system power. The device's ESD protection is crucial for outdoor installations where lightning-induced surges are a concern.
推薦
Security Systems
In security systems, the ADM3066EBRMZ provides high-speed communication for cameras, access control panels, and alarm systems. Its 50 Mbps data rate supports video streaming and fast event reporting. The robust ESD protection ensures reliability in outdoor and harsh environments. The half-duplex operation is suitable for daisy-chained devices. The wide supply range and VIO pin allow integration with various logic levels, simplifying system design.
推薦
Test and Measurement
The ADM3066EBRMZ is used in test and measurement equipment for high-speed data acquisition and control. Its 50 Mbps data rate enables fast data transfer between instruments and controllers. The wide supply range and VIO pin allow compatibility with various logic families. The device's fail-safe feature ensures stable operation in noisy environments. The compact 10-MSOP package is ideal for space-constrained instruments.
推薦
推薦產品摘要
工程參考資料，適用於 ADM3066EBRMZ — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | ADM3065EBRMZ | ADM3066EBCPZ | MAX3485E | SN65HVD3082E | ISL3170E |
|---|---|---|---|---|---|---|
| Package | 10-MSOP | 10-MSOP | 10-LFCSP | 10-MSOP | 10-MSOP | 10-MSOP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated | Texas Instruments | Renesas Electronics |
| Data Rate | 50 Mbps | 500 kbps | 50 Mbps | 10 Mbps | 20 Mbps | 20 Mbps |
| Supply Voltage (VCC) | 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 | 4.5 V to 5.5 V | 3.0 V to 3.6 V |
| Logic Supply (VIO) | 1.62 V to 5.5 V | 1.62 V to 5.5 V | 1.62 V to 5.5 V | Not available | Not available | Not available |
| ESD Protection | ±12 kV IEC | ±12 kV IEC | ±12 kV IEC | ±15 kV HBM | ±16 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 | -40°C to +85°C |
| Duplex | Half | Half | Half | Half | Half | Half |
主要差異化特點
- High data rate of 50 Mbps (對比ADM3065EBRMZ)
- Separate VIO logic supply (對比MAX3485E)
- IEC ±12 kV ESD protection (對比SN65HVD3082E)
設計說明
Place the ADM3066EBRMZ 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 reflections. Keep the A and B traces parallel and close together to maintain differential impedance.
Decouple the VCC and VIO pins with 0.1 µF ceramic capacitors placed as close as possible to the pins. For noisy environments, add a 10 µF bulk capacitor. Ensure the VIO supply is within the specified range (1.62 V to 5.5 V) to avoid logic interface damage.
Do not exceed the absolute maximum ratings for VCC and VIO. Ensure the bus is properly terminated to avoid signal integrity issues. The RE and DE pins should be controlled to prevent bus contention. For half-duplex operation, ensure only one driver is active at a time.
合規資訊
RoHS compliant per Analog Devices product page. Other compliance data not specified in provided sources.
