ISO6762FDWR - 6-Channel Digital Isolator 50Mbps | TI
MPN: ISO6762FDWR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 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 Overview
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.
Drop-in alternatives for ISO6762FDWR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ISO6762FDWR (same form factor and footprint) — differing in CMTI, Operating Temperature, Package.
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ISO6762FDWR Specifications
| Number of Channels | 6 (4 forward, 2 reverse) |
| Data Rate | 50 Mbps |
| Isolation Voltage | 5000 Vrms |
| CMTI | 50 kV/µs |
| Supply Voltage (VCC1/VCC2) | 1.8V to 5.5V |
| Package | SOIC-16 (DW) 7.50mm |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Logic Support | 1.8V logic support |
| Isolation Type | Capacitive |
| Fail-Safe Output | Yes |
| Enable Pin | Yes |
ISO6762FDWR Pin Configuration
| Pin 1 | VCC1 — Supply voltage for side 1 |
| Pin 2 | GND1 — Ground for side 1 |
| Pin 3 | INA — Input channel A |
| Pin 4 | INB — Input channel B |
| Pin 5 | INC — Input channel C |
| Pin 6 | IND — Input channel D |
| Pin 7 | EN1 — Enable for side 1 outputs |
| Pin 8 | GND1 — Ground for side 1 |
| Pin 9 | OUTE — Output channel E (reverse) |
| Pin 10 | OUTF — Output channel F (reverse) |
| Pin 11 | GND2 — Ground for side 2 |
| Pin 12 | EN2 — Enable for side 2 outputs |
| Pin 13 | OUTA — Output channel A |
| Pin 14 | OUTB — Output channel B |
| Pin 15 | OUTC — Output channel C |
| Pin 16 | VCC2 — Supply voltage for side 2 |
Typical Applications
ISO6762FDWR is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for ISO6762FDWR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- Higher data rate (50 Mbps) compared to ADuM1402 (10 Mbps) (vs ADuM1402)
- Higher isolation voltage (5000 Vrms) compared to ADuM1402 (2500 Vrms) (vs ADuM1402)
- Automotive grade option available (ISO6762FQDWQ1) (vs ISO6762DWR)
Design Notes
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.
Compliance Information
RoHS compliant per TI product page. AEC-Q100 not applicable for standard version; automotive grade available as ISO6762FQDWQ1.
