ISO6762FDWR - 6-Channel Digital Isolator 50Mbps | TI
料号： ISO6762FDWR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.05 | $205.00 |
| 500 | $1.82 | $910.00 |
| 1,000 | $1.65 | $1,650.00 |
ISO6762FDWR 概述
Digital isolators are components that provide galvanic isolation between two circuit domains while allowing digital signals to pass across the isolation barrier. They are essential in applications where ground potential differences, noise, or safety requirements demand separation, such as in industrial automation, motor drives, and medical equipment. The ISO6762FDWR uses capacitive isolation technology, which offers high-speed data transfer with low power consumption and excellent EMC performance, as highlighted in the datasheet.
Key features of the ISO6762FDWR include its 50 Mbps data rate, which supports high-speed protocols like SPI and RS-485, and its 1.8V logic support, enabling direct interface with low-voltage microcontrollers. The device also features an enable pin for output control, fail-safe outputs that default to a known state when inputs are unpowered, and a wide temperature range. Its reinforced isolation rating ensures reliable operation in safety-critical applications.
The ISO6762FDWR is built on TI's capacitive isolation technology, which uses high-voltage capacitors to couple signals across the barrier. This architecture provides low propagation delay and high CMTI, making it suitable for applications where fast transients are present. The device also includes integrated noise filtering to enhance signal integrity.
Typical applications include isolating SPI, RS-232, RS-485, and CAN buses in industrial control systems, motor drives, and power converters. Its high data rate and robust isolation make it ideal for communication interfaces in factory automation and building automation.
When designing with the ISO6762FDWR, ensure proper PCB layout with adequate clearance and creepage distances under the isolator to maintain the rated isolation voltage. Also, place decoupling capacitors close to the VCC pins to minimize noise.
直接替换替代料： ISO6762FDWR ——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： ISO6762FDWR （相同外形与封装尺寸） ——差异在于 CMTI, Operating Temperature, Package.
快速对比工具——选择替代料号进行并排对比：
ISO6762DWR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ISO6762FQDWQ1
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ISO6762FDWRQ1
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ISO6760DWR
✅ 直接替换✓ 有现货
$0.94 / 个
查看数据手册 →ADuM1402
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
Si8642
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ISO6762FDWR 规格参数
| Number of Channels | 6 (4 forward, 2 reverse) |
| 数据速率 | 50 Mbps |
| Isolation Voltage | 5000 Vrms |
| CMTI | 50 kV/µs |
| Supply Voltage (VCC1/VCC2) | 1.8V to 5.5V |
| 封装 | SOIC-16 (DW) 7.50mm |
| 工作温度 | -40°C to 125°C |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Logic Support | 1.8V logic support |
| Isolation Type | Capacitive |
| Fail-Safe Output | Yes |
| 使能引脚 | Yes |
ISO6762FDWR 引脚配置
| 引脚 1 | VCC1 — Supply voltage for side 1 |
| 引脚 2 | GND1 — Ground for side 1 |
| 引脚 3 | INA — Input channel A |
| 引脚 4 | INB — Input channel B |
| 引脚 5 | INC — Input channel C |
| 引脚 6 | IND — Input channel D |
| 引脚 7 | EN1 — Enable for side 1 outputs |
| 引脚 8 | GND1 — Ground for side 1 |
| 引脚 9 | OUTE — Output channel E (reverse) |
| 引脚 10 | OUTF — Output channel F (reverse) |
| 引脚 11 | GND2 — Ground for side 2 |
| 引脚 12 | EN2 — Enable for side 2 outputs |
| 引脚 13 | OUTA — Output channel A |
| 引脚 14 | OUTB — Output channel B |
| 引脚 15 | OUTC — Output channel C |
| 引脚 16 | VCC2 — Supply voltage for side 2 |
典型应用
ISO6762FDWR 适用于 6 应用s: Industrial Automation, Motor Drives, Power Converters, Medical Equipment, Building Automation, Test and Measurement.
Industrial Automation
The ISO6762FDWR provides galvanic isolation for communication interfaces in industrial automation systems, such as PLCs and motor drives. Its 50 Mbps data rate supports high-speed fieldbus protocols, while the 5000 Vrms isolation ensures safety in high-voltage environments. The device's high CMTI of 50 kV/µs prevents data corruption from fast transients, making it reliable in noisy factory floors. It can be used to isolate SPI, RS-485, and CAN buses between controllers and remote I/O modules.
推荐
Motor Drives
In motor drive applications, the ISO6762FDWR isolates control signals from the high-voltage power stage. Its 50 Mbps data rate allows fast PWM signal transmission, and the 5000 Vrms isolation protects low-voltage control circuits from high-voltage transients. The high CMTI ensures reliable operation in the presence of fast switching noise. The device can be used to isolate gate driver signals and feedback signals in variable frequency drives.
推荐
Power Converters
The ISO6762FDWR is used in power converters to isolate control and feedback signals across the isolation barrier. Its 5000 Vrms isolation rating meets safety requirements for mains-connected systems. The device's 1.8V logic support allows direct interface with low-voltage microcontrollers, simplifying the design. The high data rate enables fast communication for digital power control loops.
推荐
Medical Equipment
In medical equipment, the ISO6762FDWR provides patient isolation for communication interfaces. Its 5000 Vrms isolation rating meets stringent safety standards, and the wide temperature range ensures reliable operation. The device's low power consumption is beneficial for battery-powered devices. It can be used to isolate data lines in patient monitoring systems and diagnostic equipment.
推荐
Building Automation
The ISO6762FDWR is used in building automation systems to isolate communication buses like RS-485 and BACnet. Its 50 Mbps data rate supports high-speed data transfer, and the 5000 Vrms isolation protects against ground loops and surges. The device's compact SOIC-16 package is suitable for space-constrained controllers. It can be used in HVAC controllers, lighting systems, and access control panels.
推荐
Test and Measurement
In test and measurement equipment, the ISO6762FDWR isolates sensitive measurement circuits from noisy digital systems. Its high CMTI and low propagation delay ensure accurate signal transmission. The device's wide supply voltage range allows integration into various designs. It can be used to isolate data acquisition systems, oscilloscopes, and signal generators.
推荐
推荐产品汇总
工程参考数据： ISO6762FDWR ——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 | ISO6762DWR | ISO6762FQDWQ1 | ADuM1402 |
|---|---|---|---|---|
| Package | SOIC-16 (DW) | SOIC-16 (DW) | SOIC-16 (DW) | SOIC-16 (DW) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Number of Channels | 6 (4/2) | 6 (4/2) | 6 (4/2) | 4 (4/0) |
| Data Rate | 50 Mbps | 50 Mbps | 50 Mbps | 10 Mbps |
| Isolation Voltage | 5000 Vrms | 5000 Vrms | 5000 Vrms | 2500 Vrms |
| CMTI | 50 kV/µs | 50 kV/µs | 50 kV/µs | 25 kV/µs |
| Supply Voltage | 1.8V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V | 3.0V to 5.5V |
| Automotive Grade | No | No | Yes (AEC-Q100) | No |
关键差异点
- Higher data rate (50 Mbps) compared to ADuM1402 (10 Mbps) （对比 ADuM1402)
- Higher isolation voltage (5000 Vrms) compared to ADuM1402 (2500 Vrms) （对比 ADuM1402)
- Automotive grade option available (ISO6762FQDWQ1) （对比 ISO6762DWR)
设计说明
Ensure proper PCB layout with adequate clearance and creepage distances under the isolator to maintain the rated isolation voltage. Place decoupling capacitors (0.1µF) close to VCC1 and VCC2 pins to minimize noise.
The ISO6762FDWR operates from 1.8V to 5.5V on both sides. Ensure that the supply voltages are within the specified range and that the power supply is stable. Use separate ground planes for side 1 and side 2 to maintain isolation.
Do not exceed the absolute maximum ratings for supply voltage or isolation voltage. Ensure that the enable pins are properly configured to avoid unintended output states. Verify the channel configuration (4/2) matches your application requirements.
合规信息
RoHS compliant per TI product page. AEC-Q100 not applicable for standard version; automotive grade available as ISO6762FQDWQ1.
