ADUM3160BRWZ-RL7 - USB Digital Isolator 2.5kV | Analog Devices
N.º de pieza: ADUM3160BRWZ-RL7 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.5 | $4,50 |
| 10 | $4.05 | $40,50 |
| 100 | $3.6 | $360,00 |
| 500 | $3.24 | $1.620,00 |
| 1.000 | $2.88 | $2.880,00 |
ADUM3160BRWZ-RL7 Descripción general
A USB digital isolator is a component that provides electrical isolation between the USB controller and the USB connector, protecting the host from ground potential differences and electrical noise. It is part of the broader category of digital isolators, which use capacitive or magnetic coupling to transfer digital signals across an isolation barrier without a direct electrical connection. The ADUM3160 specifically uses monolithic air core transformers, a hallmark of iCoupler technology, to achieve high-speed data transfer with low power consumption.
Key features of the ADUM3160BRWZ-RL7 include its 2.5 kVrms isolation rating, 12 Mbps full-speed USB support, and 25 kV/µs CMTI. The device operates from a 3.3 V supply on both sides of the isolation barrier, with a typical quiescent current of 5 mA. It is designed to be compliant with USB 2.0 specifications for low and full speed, making it suitable for isolated USB interfaces in medical, industrial, and instrumentation applications.
Technically, the ADUM3160 integrates a USB transceiver with an isolation barrier, allowing the D+ and D- lines to be isolated while maintaining signal integrity. The device uses a proprietary encoding scheme to transmit data across the isolation barrier, ensuring reliable communication even with high common-mode noise. The SOIC-W package provides excellent thermal performance and is suitable for automated assembly.
Typical applications include isolated USB hubs, medical device interfaces, industrial control systems, and data acquisition systems where ground loop isolation is critical. The ADUM3160BRWZ-RL7 is particularly well-suited for applications requiring full-speed USB data transfer with high isolation voltage.
When designing with this device, ensure that the supply voltages on both sides are within the specified range (3.0V to 3.6V) and that proper decoupling capacitors are placed close to the VDD pins. The device does not require external components for the isolation barrier, simplifying the design.
Alternativas directas para ADUM3160BRWZ-RL7 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ADUM3160BRWZ-RL7 (mismo factor de forma y huella) — difiere en Data Rate, Technology.
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ADUM3160BRWZ
✅ Sustitución directa✓ En stock
$2.9 / unidad
Ver hoja de datos →ADUM3160WBRWZ
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADUM3160WBRWZ-RL7
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ISOUSB211
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADUM3165BRWZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADUM3160BRWZ-RL7 Especificaciones
| Isolation Voltage | 2500 Vrms |
| Number of Channels | 1 |
| Velocidad de datos | 12 Mbps (full speed) |
| CMTI | 25 kV/µs |
| Tensión de alimentación | 3.0 V to 3.6 V |
| Encapsulado | 16-SOIC (0.295", 7.50mm Width) |
| Temperatura de funcionamiento | -40°C to +105°C |
| USB Compliance | USB 2.0 low/full speed |
| Technology | iCoupler |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| Número de pines | 16 |
Configuración de pines de ADUM3160BRWZ-RL7
| Pin 1 | VDD1 — Power supply, side 1 |
| Pin 2 | GND1 — Ground, side 1 |
| Pin 3 | D+ — USB data plus |
| Pin 4 | D- — USB data minus |
| Pin 5 | GND1 — Ground, side 1 |
| Pin 6 | SPD — Speed select |
| Pin 7 | GND1 — Ground, side 1 |
| Pin 8 | VDD1 — Power supply, side 1 |
| Pin 9 | VDD2 — Power supply, side 2 |
| Pin 10 | GND2 — Ground, side 2 |
| Pin 11 | D+ — USB data plus, side 2 |
| Pin 12 | D- — USB data minus, side 2 |
| Pin 13 | GND2 — Ground, side 2 |
| Pin 14 | NC — No connect |
| Pin 15 | GND2 — Ground, side 2 |
| Pin 16 | VDD2 — Power supply, side 2 |
Aplicaciones típicas
ADUM3160BRWZ-RL7 es adecuado para 6 aplicacións: Isolated USB Hubs, Medical Device Interfaces, Industrial Control Systems, Data Acquisition Systems, Test and Measurement Equipment, Consumer Electronics with Isolation.
Isolated USB Hubs
The ADUM3160BRWZ-RL7 is ideal for isolated USB hubs, providing galvanic isolation between the upstream and downstream ports. Its 12 Mbps full-speed data rate supports standard USB peripherals, while the 2.5 kV isolation protects against ground loops and voltage transients. The device's high CMTI of 25 kV/µs ensures reliable data transfer even in electrically noisy environments, making it suitable for industrial USB hubs that connect to sensors and controllers.
Recomendado
Medical Device Interfaces
In medical devices, patient safety requires galvanic isolation between the patient-connected parts and the main system. The ADUM3160BRWZ-RL7 provides 2.5 kV isolation, meeting safety standards for medical equipment. Its full-speed USB capability allows high-speed data transfer for diagnostic imaging and patient monitoring. The device's low power consumption and small SOIC package make it suitable for portable medical devices.
Recomendado
Industrial Control Systems
Industrial control systems often have large ground potential differences between subsystems. The ADUM3160BRWZ-RL7 isolates the USB interface, preventing ground loops that can cause data corruption or equipment damage. Its 25 kV/µs CMTI ensures reliable operation in environments with motor drives and power converters. The device supports full-speed USB, enabling fast communication with PLCs and HMIs.
Recomendado
Data Acquisition Systems
Data acquisition systems often require isolation to protect sensitive measurement circuits from noise and ground loops. The ADUM3160BRWZ-RL7 provides a clean USB interface for transferring data to a host computer. Its 12 Mbps data rate is sufficient for streaming high-resolution sensor data. The device's isolation barrier also prevents common-mode noise from affecting measurement accuracy.
Recomendado
Test and Measurement Equipment
Test and measurement equipment often needs isolated USB ports to prevent ground loops when connected to devices under test. The ADUM3160BRWZ-RL7 provides 2.5 kV isolation, ensuring safe and accurate measurements. Its full-speed USB support allows fast data transfer for oscilloscopes, multimeters, and spectrum analyzers. The device's robust CMTI ensures reliable operation in EMC-heavy test environments.
Recomendado
Consumer Electronics with Isolation
In consumer electronics, isolation can protect against static discharge and ground potential differences. The ADUM3160BRWZ-RL7 is used in devices like isolated USB chargers and audio interfaces. Its small SOIC package and low power consumption make it suitable for compact designs. The device supports full-speed USB, ensuring compatibility with standard peripherals.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADUM3160BRWZ-RL7 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADUM3160BRWZ | ADUM3160WBRWZ | ISOUSB211 |
|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Isolation Voltage | 2500 Vrms | 2500 Vrms | 2500 Vrms | 3000 Vrms |
| Data Rate | 12 Mbps | 12 Mbps | 12 Mbps | 12 Mbps |
| CMTI | 25 kV/µs | 25 kV/µs | 25 kV/µs | 100 kV/µs |
| Supply Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 5.5V |
| USB Compliance | USB 2.0 low/full speed | USB 2.0 low/full speed | USB 2.0 low/full speed | USB 2.0 low/full speed |
| Technology | iCoupler | iCoupler | iCoupler | Capacitive isolation |
Diferenciadores clave
- iCoupler technology with monolithic air core transformers (frente a ISOUSB211)
- Wide-body SOIC package for enhanced creepage (frente a ADUM3160BRWZ)
- High CMTI of 25 kV/µs (frente a ADUM3160BRWZ)
Notas de diseño
Ensure that both VDD1 and VDD2 are within the specified range of 3.0V to 3.6V. Use 0.1 µF decoupling capacitors close to each VDD pin to minimize noise. For full-speed USB, a 1 µF capacitor on the VBUS side may be required.
Place the ADUM3160BRWZ-RL7 close to the USB connector to minimize trace length for D+ and D-. Maintain controlled impedance for USB lines (90 ohms differential) and avoid vias on these traces. Keep the isolation barrier clear of copper pour to maintain creepage distance.
Do not exceed the absolute maximum ratings for supply voltage or isolation voltage. Ensure that the SPD pin is correctly configured for low or full speed operation. Incorrect SPD settings can cause communication failures.
Información de cumplimiento
RoHS compliant per Analog Devices product page. No AEC-Q100 qualification for this part.