ADUM141D0BRWZ-RL7 - Quad Digital Isolator 150Mbps | Analog Devices
N.º de pieza: ADUM141D0BRWZ-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 |
ADUM141D0BRWZ-RL7 Descripción general
A digital isolator is a device that transfers digital signals between two electrically isolated domains, preventing DC current flow while allowing AC signal transmission. It is a critical component in systems requiring galvanic isolation for safety, noise immunity, or ground potential differences. Digital isolators are part of the broader category of isolation components, which also include optocouplers and magnetic isolators. They are essential in industrial automation, medical equipment, and communication systems where signal integrity and safety are paramount.
Key features of the ADUM141D0BRWZ-RL7 include its high data rate of 150 Mbps, low propagation delay, and high CMTI of 75 kV/µs, which ensures reliable operation in noisy environments. The device supports a wide supply voltage range from 1.7 V to 5.5 V, enabling compatibility with various logic levels. The 3:1 channel configuration (three forward, one reverse) is ideal for applications requiring bidirectional communication with a primary data direction. The SOIC-16 wide body package provides excellent thermal performance and is suitable for automated assembly.
Technically, the ADUM141D0BRWZ-RL7 uses iCoupler technology, which integrates micro-transformers on a CMOS die, offering advantages over optocouplers such as higher speed, lower power consumption, and better reliability. The device features a robust design that ensures safe communication in harsh environments, with a wide operating temperature range of -40°C to +125°C. It is RoHS compliant and lead-free, meeting environmental standards.
Typical applications include industrial fieldbus communication, isolated SPI interfaces, motor control, and power inverter systems. The high data rate and CMTI make it suitable for high-speed data acquisition and control systems. The wide supply range allows direct interface with 1.8V, 2.5V, 3.3V, and 5V logic, simplifying system design.
When designing with this device, ensure proper PCB layout with adequate creepage and clearance distances for the isolation rating. Place decoupling capacitors close to the VDD pins to minimize noise. The device does not require external components for isolation, but proper grounding of the two isolated grounds is essential for optimal performance.
Alternativas directas para ADUM141D0BRWZ-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 ADUM141D0BRWZ-RL7 (mismo factor de forma y huella) — difiere en Number of Channels.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADUM141D0BRWZ
✅ Sustitución directa✓ En stock
$3.4 / unidad
Ver hoja de datos →ADUM1411BRWZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADUM4401BRWZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADUM141D0BRWZ-RL7 Especificaciones
| Number of Channels | 4 |
| Channel Configuration | 3/1 (3 forward, 1 reverse) |
| Isolation Voltage | 3750 Vrms |
| Velocidad de datos | 150 Mbps |
| CMTI | 75 kV/µs |
| Supply Voltage (VDD1) | 1.7 V to 5.5 V |
| Supply Voltage (VDD2) | 1.7 V to 5.5 V |
| Rango de temperatura de funcionamiento | -40°C to +125°C |
| Encapsulado | 16-SOIC (0.295", 7.50mm Width) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
| Technology | iCoupler |
Configuración de pines de ADUM141D0BRWZ-RL7
| Pin 1 | VDD1 — Supply voltage for side 1 |
| Pin 2 | GND1 — Ground for side 1 |
| Pin 3 | VIA — Input channel A (forward) |
| Pin 4 | VIB — Input channel B (forward) |
| Pin 5 | VIC — Input channel C (forward) |
| Pin 6 | VOD — Output channel D (reverse) |
| Pin 7 | GND1 — Ground for side 1 |
| Pin 8 | NC — No connect |
| Pin 9 | NC — No connect |
| Pin 10 | GND2 — Ground for side 2 |
| Pin 11 | VID — Input channel D (reverse) |
| Pin 12 | VOA — Output channel A (forward) |
| Pin 13 | VOB — Output channel B (forward) |
| Pin 14 | VOC — Output channel C (forward) |
| Pin 15 | GND2 — Ground for side 2 |
| Pin 16 | VDD2 — Supply voltage for side 2 |
Aplicaciones típicas
ADUM141D0BRWZ-RL7 es adecuado para 6 aplicacións: Industrial Fieldbus Communication, Isolated SPI Interface, Motor Control and Power Inverters, Medical Equipment Isolation, Communication Systems, Data Acquisition Systems.
Industrial Fieldbus Communication
The ADUM141D0BRWZ-RL7 is ideal for industrial fieldbus systems such as PROFIBUS, CAN, and RS-485, where galvanic isolation is required to protect against ground loops and voltage transients. Its 150 Mbps data rate supports high-speed communication, while the 75 kV/µs CMTI ensures reliable operation in electrically noisy factory environments. The 3/1 channel configuration allows for a primary data path and a reverse control signal, making it suitable for protocols that require bidirectional communication. The wide supply voltage range (1.7V to 5.5V) enables direct interface with various logic levels used in industrial controllers. The 3750 Vrms isolation rating provides robust protection against voltage spikes, ensuring system safety and reliability.
Recomendado
Isolated SPI Interface
The ADUM141D0BRWZ-RL7 is well-suited for isolating SPI buses between microcontrollers and peripheral devices such as ADCs, DACs, and sensors. Its 150 Mbps data rate easily handles SPI clock speeds up to 50 MHz, while the 3/1 channel configuration provides three forward channels for MOSI, SCLK, and CS, and one reverse channel for MISO. The low propagation delay ensures minimal timing skew, critical for high-speed SPI communication. The device's high CMTI prevents data corruption from fast transients in industrial environments. The wide supply range allows direct connection to 3.3V or 5V SPI interfaces without level shifting. This makes it an excellent choice for isolated data acquisition systems.
Recomendado
Motor Control and Power Inverters
In motor control and power inverter applications, the ADUM141D0BRWZ-RL7 provides galvanic isolation between the low-voltage control circuitry and the high-voltage power stage. Its 3750 Vrms isolation rating ensures safe separation, while the 75 kV/µs CMTI prevents false triggering from fast switching transients in the power stage. The 150 Mbps data rate supports high-frequency PWM signals, enabling precise motor control. The 3/1 channel configuration can be used for three-phase gate drive signals and a reverse feedback signal. The wide operating temperature range (-40°C to +125°C) makes it suitable for harsh industrial environments. The device's robust design ensures reliable operation in high-vibration and high-temperature conditions.
Recomendado
Medical Equipment Isolation
The ADUM141D0BRWZ-RL7 is suitable for medical equipment requiring patient isolation, such as ECG monitors, defibrillators, and infusion pumps. Its 3750 Vrms isolation rating meets the safety requirements for medical devices, providing protection against electric shock. The high data rate and CMTI ensure accurate transmission of physiological signals without interference. The wide supply voltage range allows integration with low-power medical sensors. The device's small SOIC-16 package is ideal for space-constrained medical devices. The RoHS compliance and lead-free construction meet environmental regulations for medical electronics. The robust design ensures long-term reliability in critical healthcare applications.
Recomendado
Communication Systems
The ADUM141D0BRWZ-RL7 is used in communication systems to isolate digital interfaces between line cards, base stations, and network equipment. Its 150 Mbps data rate supports high-speed serial links, while the 3/1 channel configuration is ideal for isolating TX/RX data paths. The high CMTI ensures reliable operation in environments with electromagnetic interference. The wide supply range allows interface with various logic families used in telecom equipment. The device's low propagation delay minimizes latency in time-sensitive communication protocols. The 3750 Vrms isolation rating provides protection against lightning surges and ground potential differences, enhancing system robustness.
Recomendado
Data Acquisition Systems
The ADUM141D0BRWZ-RL7 is ideal for isolating data acquisition systems where sensors and ADCs are located in remote or high-voltage environments. Its high data rate supports fast sampling rates, while the 3/1 channel configuration can isolate SPI or parallel data buses. The high CMTI prevents noise from corrupting measurement data. The wide supply range allows direct interface with 5V sensors and 3.3V ADCs. The device's low power consumption is beneficial for battery-powered data loggers. The 3750 Vrms isolation rating protects sensitive measurement circuitry from ground loops and transients, ensuring accurate and reliable data acquisition.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADUM141D0BRWZ-RL7 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADUM141D0BRWZ | ADUM141D0BRQZ-RL7 | ADUM141E0BRZ-RL7 | ADUM1411BRWZ |
|---|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.154", 3.90mm Width) - different | 16-SOIC (0.154", 3.90mm Width) - different | 16-SOIC (0.295", 7.50mm Width) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3000 Vrms | 3750 Vrms |
| Data Rate | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps | 150 Mbps |
| Channel Configuration | 3/1 | 3/1 | 3/1 | 3/1 | 1/3 |
| CMTI | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs | 75 kV/µs |
| Supply Voltage Range | 1.7V to 5.5V | 1.7V to 5.5V | 1.7V to 5.5V | 1.7V to 5.5V | 1.7V to 5.5V |
| Operating Temperature | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C | -40°C to +125°C |
Diferenciadores clave
- Higher data rate (150 Mbps) compared to ADUM4401BRWZ (90 Mbps) (frente a ADUM4401BRWZ)
- 3/1 channel configuration provides reverse channel for feedback (frente a ADUM4401BRWZ)
- Wide supply voltage range (1.7V to 5.5V) supports low-voltage logic (frente a ADUM4401BRWZ)
Notas de diseño
For optimal performance, place decoupling capacitors (0.1 µF and 10 µF) close to the VDD1 and VDD2 pins. Ensure a solid ground plane on both sides of the isolation barrier. Maintain adequate creepage and clearance distances (at least 8 mm for 3750 Vrms) between the two isolated grounds to meet safety standards.
Keep the high-speed signal traces as short as possible to minimize parasitic inductance and capacitance. Avoid routing sensitive signals near the isolation barrier. Use differential signaling if possible for high-speed data lines to reduce EMI. Reference the Analog Devices layout guidelines for iCoupler devices.
Do not exceed the absolute maximum ratings for supply voltage (7V) or input/output voltage. Ensure that the input signals do not exceed the supply voltage. Avoid floating unused inputs; tie them to a defined logic level. Verify that the total power dissipation does not exceed the package thermal limits.
Información de cumplimiento
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified; automotive variants available in ADuM141E series.