ADN4624BCPZ - Quad 2.5Gbps LVDS Isolator | Analog Devices
MPN: ADN4624BCPZ ✓ Hoạt độngADN4624BCPZ Tóm tắt
A digital isolator is a device that transfers digital signals across an isolation barrier, typically using capacitive, inductive, or optical coupling, to protect sensitive circuitry from high voltages, ground loops, and noise. In the hierarchy of signal conditioning, a digital isolator sits between the digital signal source and the receiving logic, ensuring signal integrity and safety. The ADN4624BCPZ specifically isolates LVDS signals, which are differential, low-voltage, high-speed signals used in applications like data acquisition, industrial networking, and medical imaging.
Key features of the ADN4624BCPZ include four isolated LVDS channels (4+0 configuration), a data rate of 2.5 Gbps per channel, and very low jitter, which is essential for high-speed serial links. The device also features a refresh mechanism that monitors input and output states to ensure they remain the same in the absence of data transitions, such as at power-on. The 1.8 V supplies for the LVDS and isolator circuits enable low power consumption while maintaining high-speed operation.
Technically, the ADN4624BCPZ uses iCoupler technology, which employs chip-scale transformers to couple signals across the isolation barrier. This approach provides superior performance compared to optocouplers in terms of speed, power, and reliability. The device is designed to meet the stringent requirements of industrial automation, motor control, and medical equipment, where isolation and signal integrity are paramount.
Typical applications include isolated LVDS interfaces in data acquisition systems, industrial fieldbus networks, and medical imaging equipment. The ADN4624BCPZ is also used in test and measurement instruments where high-speed data transfer with galvanic isolation is required.
When designing with this device, ensure that the supply voltages are within the specified range and that proper decoupling capacitors are placed close to the VDD pins. The exposed pad should be soldered to the PCB ground plane for optimal thermal performance. Also, consider the CMTI rating when operating in environments with high voltage transients.
Bộ thay thế dễ dàng lắp đặt cho ADN4624BCPZ — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ADN4624BCPZ (cùng hình factor và footprint) — khác nhau ở Package.
ADN4624BCPZ-RL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADN4622BCPZ
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
ADN4624BCPZ-RL7
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →ADN4624BCPZ Thông số kỹ thuật
| Type | LVDS Digital Isolator |
| Number of Channels | 4 (4+0) |
| Tốc độ dữ liệu | 2.5 Gbps |
| Isolation Voltage | 5700 Vrms |
| CMTI | 40 kV/µs |
| Supply Voltage (VDD1/VDD2) | 1.7 V to 1.9 V |
| Typical Supply Voltage | 1.8 V |
| Nhiệt độ hoạt động | -40°C to +125°C |
| Hộp | 32-WFQFN Exposed Pad (LFCSP) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Technology | iCoupler |
Cấu hình chân ADN4624BCPZ
| Chân 1 | VDD1 — Supply voltage side 1 |
| Chân 2 | GND1 — Ground side 1 |
| Chân 3 | IN1+ — LVDS input positive channel 1 |
| Chân 4 | IN1- — LVDS input negative channel 1 |
| Chân 5 | OUT1+ — LVDS output positive channel 1 |
| Chân 6 | OUT1- — LVDS output negative channel 1 |
| Chân 7 | VDD2 — Supply voltage side 2 |
| Chân 8 | GND2 — Ground side 2 |
| Chân 9 | IN2+ — LVDS input positive channel 2 |
| Chân 10 | IN2- — LVDS input negative channel 2 |
| Chân 11 | OUT2+ — LVDS output positive channel 2 |
| Chân 12 | OUT2- — LVDS output negative channel 2 |
| Chân 13 | VDD1 — Supply voltage side 1 |
| Chân 14 | GND1 — Ground side 1 |
| Chân 15 | IN3+ — LVDS input positive channel 3 |
| Chân 16 | IN3- — LVDS input negative channel 3 |
| Chân 17 | OUT3+ — LVDS output positive channel 3 |
| Chân 18 | OUT3- — LVDS output negative channel 3 |
| Chân 19 | VDD2 — Supply voltage side 2 |
| Chân 20 | GND2 — Ground side 2 |
| Chân 21 | IN4+ — LVDS input positive channel 4 |
| Chân 22 | IN4- — LVDS input negative channel 4 |
| Chân 23 | OUT4+ — LVDS output positive channel 4 |
| Chân 24 | OUT4- — LVDS output negative channel 4 |
| Chân 25 | VDD1 — Supply voltage side 1 |
| Chân 26 | GND1 — Ground side 1 |
| Chân 27 | NC — No connect |
| Chân 28 | NC — No connect |
| Chân 29 | NC — No connect |
| Chân 30 | NC — No connect |
| Chân 31 | NC — No connect |
| Chân 32 | NC — No connect |
| Chân 33 | EP — Exposed pad, connect to GND |
Ứng dụng tiêu biểu
ADN4624BCPZ phù hợp cho 6 Áp dụngs: Industrial Automation, Medical Imaging, Data Acquisition Systems, Test and Measurement, Networking Equipment, Aerospace and Defense.
Industrial Automation
The ADN4624BCPZ provides galvanic isolation for high-speed LVDS signals in industrial automation systems, such as motor drives and PLCs. Its 5700 Vrms isolation and 40 kV/µs CMTI ensure reliable operation in noisy environments with voltage transients. The 2.5 Gbps data rate supports high-speed communication between controllers and remote I/O modules, while the low jitter maintains signal integrity over long cable runs. The 1.8 V supply reduces power consumption in power-sensitive applications.
Được đề xuất
Medical Imaging
In medical imaging equipment like ultrasound and MRI systems, the ADN4624BCPZ isolates high-speed LVDS data between sensor modules and processing units. The 5700 Vrms isolation protects patients and operators from electrical hazards, while the 2.5 Gbps data rate handles large image data streams. The low jitter ensures accurate signal reproduction, critical for image quality. The wide operating temperature range of -40°C to +125°C suits the demanding medical environment.
Được đề xuất
Data Acquisition Systems
The ADN4624BCPZ is ideal for isolating LVDS interfaces in high-speed data acquisition systems, such as digitizers and oscilloscopes. It provides 5700 Vrms isolation to prevent ground loops and noise from corrupting measurements. The 2.5 Gbps data rate supports high-throughput data transfer from ADCs to FPGAs or DSPs. The low jitter preserves the timing accuracy of sampled signals, essential for precise measurements. The 1.8 V supply is compatible with modern low-voltage logic.
Được đề xuất
Test and Measurement
In test and measurement equipment, the ADN4624BCPZ isolates high-speed LVDS signals between test heads and control electronics. Its 5700 Vrms isolation ensures safety and prevents interference in high-voltage environments. The 2.5 Gbps data rate enables fast data acquisition, while the low jitter maintains signal fidelity. The compact 32-lead WFQFN package saves board space, and the wide temperature range supports various test conditions.
Được đề xuất
Networking Equipment
The ADN4624BCPZ provides isolation for LVDS signals in networking equipment like switches and routers, where high-speed data transfer and noise immunity are critical. The 2.5 Gbps data rate supports high-bandwidth links, while the 5700 Vrms isolation protects against voltage spikes and ground potential differences. The low jitter ensures reliable data transmission, and the 1.8 V supply reduces power consumption in dense systems.
Được đề xuất
Aerospace and Defense
In aerospace and defense systems, the ADN4624BCPZ isolates high-speed LVDS signals in avionics, radar, and communication systems. Its 5700 Vrms isolation and 40 kV/µs CMTI ensure reliable operation in harsh electromagnetic environments. The wide temperature range of -40°C to +125°C meets military specifications. The low jitter is essential for high-precision data links, and the compact package is suitable for space-constrained avionics.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADN4624BCPZ — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ADN4624BCPZ-RL | ADN4622BCPZ | ISO7742DW |
|---|---|---|---|---|
| Package | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | SOIC-16 |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Number of Channels | 4 | 4 | 4 | 4 |
Bảo phân biệt quan trọng
- Higher data rate (vsISO7742DW)
- Higher isolation voltage (vsISO7742DW)
- Lower supply voltage (vsISO7742DW)
Ghi chú thiết kế
Ensure that VDD1 and VDD2 are within the specified range of 1.7 V to 1.9 V. Use low-ESR decoupling capacitors (e.g., 0.1 µF and 10 µF) placed close to each VDD pin to minimize noise and ensure stable operation. The 1.8 V supply is typical, but verify the exact requirements in the datasheet.
For optimal thermal performance, solder the exposed pad (EP) to the PCB ground plane. Use multiple vias to connect the EP to the ground plane to enhance heat dissipation. Follow the recommended PCB layout in the datasheet to minimize parasitic inductance and capacitance.
To maintain signal integrity at 2.5 Gbps, route LVDS traces as differential pairs with controlled impedance (typically 100 ohms differential). Keep trace lengths matched and minimize vias. Place termination resistors close to the receiver inputs as specified in the LVDS standard.
Thông tin tuân thủ
RoHS compliant per distributor listings. Other compliance data not specified in provided sources.
