ADM3064EBRMZ - 3.0V-5.5V RS-485 Transceiver | Analog Devices
MPN: ADM3064EBRMZ ✓ פעילADM3064EBRMZ סקירה
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.
חלופות תחליף ישיר עבור ADM3064EBRMZ — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם ADM3064EBRMZ (אותו גורם צורה וטביעת רגל) — שונים ב Package, Duplex, Data Rate, ESD Protection, ESD Protection (IEC).
ADM3063EBRMZ
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ADM3065EBRMZ
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←ISL3170EIUZ
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
ADM3064EBRMZ מפרטים
| 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) |
| טווח טמפרטורת פעולה | -40°C to +125°C |
| מארז | 10-Lead MSOP (RMZ) |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של ADM3064EBRMZ
| פין 1 | RO — Receiver output |
| פין 2 | RE — Receiver enable (active low) |
| פין 3 | DE — Driver enable (active high) |
| פין 4 | DI — Driver input |
| פין 5 | GND — Ground |
| פין 6 | A — Non-inverting bus pin |
| פין 7 | B — Inverting bus pin |
| פין 8 | VCC — Power supply |
יישומים טיפוסיים
ADM3064EBRMZ מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור ADM3064EBRMZ — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Dual data rate capability (500 kbps and 50 Mbps) (לעומתADM3063EBRMZ)
- 1/8 unit load allows up to 256 nodes on a bus (לעומתMAX3485EESA)
- Extended temperature range up to 125°C (לעומתISL3170EIUZ)
הערות תכנון
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.
מידע על תאימות
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Lead-free finish.
