ADUM3160BRWZ-RL - 2.5kV USB Digital Isolator 12Mbps SOIC-16 | Analog Devices
Teilenummer: ADUM3160BRWZ-RL ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $4.36 | $4,36 |
| 10 | $3.92 | $39,20 |
| 100 | $3.49 | $349,00 |
| 500 | $3.1 | $1.550,00 |
| 1.000 | $2.78 | $2.780,00 |
ADUM3160BRWZ-RL Übersicht
A digital isolator is a device that transfers logic signals across a galvanically-isolated barrier using an internal chip-scale transformer, capacitive, or optical coupler. Within the broader IC taxonomy, the ADUM3160 occupies the digital isolator subcategory of interface ICs, which themselves sit under the power-management-and-isolation umbrella used in safety-critical systems. Unlike a generic multi-channel isolator, the ADUM3160 implements the USB-specific pull-up/pull-down and speed-selection logic required by the USB 1.1 specification, allowing it to transparently appear as a peripheral or directly to upstream port without host-side firmware changes.
Key features include transparent USB 1.1 full/low-speed signalling, hardwired speed selection through dedicated SPD pin logic, integrated upstream/downstream pull-up and pull-down resistors matched to the USB electrical layer, and creep-supplied dual-side power domains that allow the host and device sides to operate from independently regulated 5 V or 3.3 V rails. These features allow drop-in insertion into existing USB-1.1-compliant PCB footprints without external logic translation. The 16-lead SOIC-W package provides a minimum 8 mm creepage distance along the package body, supporting the 2.5 kV rms isolation rating certified to UL, VDE, and IEC 61010-1 reinforced-insulation standards.
Typical applications include isolated USB ports in industrial process control and factory automation, medical-device USB data acquisition with patient-protection isolation, USB-to-host isolation for test-and-measurement instrumentation, and isolated programming/debug interfaces for embedded targets operating in high-noise industrial environments. The wide-body SOIC package also supports 5 kV reinforced isolation variants in the ADUM3160 family by way of the ADuM3160/ADuM3161 derivatives.
When designing with this device, place ferrite beads on VBUS1 and VBUS2 rails to suppress common-mode current noise on the upstream and downstream power domains, and observe the minimum 8 mm PCB creepage distance between the host-side and peripheral-side ground planes. The SPD pin must be hardwired to VBUS4 or GND to select full-speed or low-speed mode respectively; it cannot be changed dynamically after enumeration.
Drop-in-Alternativen für ADUM3160BRWZ-RL – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ADUM3160BRWZ
✓ Auf Lager
$2.9 / Stück
Datenblatt ansehen →ADUM3160BRWZ-RL7
✓ Auf Lager
$2.88 / Stück
Datenblatt ansehen →ADUM3161BRWZ-RL7
✓ Auf Lager
$2.88 / Stück
Datenblatt ansehen →ADUM3165WBRWZ
📋 Referenzalternative (nicht im Katalog)
ADUM3160BRWZ-RL Technische Daten
| Isolation Type | USB Digital Isolator (iCoupler) |
| Kanäle | 1 (bidirectional USB D+/D- differential pair) |
| Isolation Voltage (rms) | 2500 V rms |
| Data Rate (max) | 12 Mbps (USB Full Speed) |
| Common-Mode Transient Immunity (CMTI) | 25 kV/us microsecond (minimum) |
| Supported USB Speeds | Low Speed (1.5 Mbps) and Full Speed (12 Mbps) |
| Gehäuse / Bauform | 16-SOIC (0.295", 7.50 mm Width), wide-body |
| Montageart | Surface Mount |
| Betriebstemperatur | -40C to +105C |
| Technology | iCoupler (CMOS + monolithic air-core transformer) |
| Speed Selection | Hardwired SPD pin (full / low speed) |
| RoHS-Status | Compliant |
| Lead Free | Yes |
ADUM3160BRWZ-RL Pin-Konfiguration
| Pin 1 | VBUS1 — Side 1 (host/upstream) power supply input |
| Pin 2 | GND1 — Side 1 ground reference |
| Pin 3 | D1+ — Side 1 USB D+ data line |
| Pin 4 | D1- — Side 1 USB D- data line |
| Pin 5 | NC — Not connected (per datasheet) |
| Pin 6 | NC — Not connected (per datasheet) |
| Pin 7 | NC — Not connected (per datasheet) |
| Pin 8 | NC — Not connected (per datasheet) |
| Pin 9 | NC — Not connected (per datasheet) |
| Pin 10 | NC — Not connected (per datasheet) |
| Pin 11 | SPD — Speed selection (high = full-speed, low = low-speed) |
| Pin 12 | D2- — Side 2 USB D- data line |
| Pin 13 | D2+ — Side 2 USB D+ data line |
| Pin 14 | GND2 — Side 2 ground reference |
| Pin 15 | VBUS2 — Side 2 (peripheral/downstream) power supply input |
| Pin 16 | VDD2 — Side 2 logic supply |
Typische Anwendungen
ADUM3160BRWZ-RL ist geeignet für 6 Anwendungs: Isolated USB Port - Industrial Process Control, Medical-Grade USB Patient Isolation, USB Isolation for Test and Measurement Instrumentation, Isolated Programming and Debug Interface for Embedded Targets, USB Isolation in Renewable Energy and Battery Management, Isolated USB Hub for Audio and Broadcast Equipment.
Isolated USB Port - Industrial Process Control
The ADUM3160BRWZ-RL provides 2.5 kV rms reinforced isolation between a host PC and USB peripherals (HMI panels, configuration dongles, data loggers) on factory floors with high common-mode noise from variable-frequency drives and large switching transients. Its 25 kV/us microsecond CMTI rejects ground-potential rise and switching noise on long cable runs, preventing data corruption on the USB D+/D- differential pair. The on-chip pull-up/pull-down resistors and USB speed-selection logic eliminate external components, simplifying isolated USB-CPC designs where board area is constrained. Engineers typically place ferrite beads on VBUS1 and VBUS2 rails and observe 8 mm PCB creepage between host-side and device-side ground pours for IEC 61010-1 compliance.
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Medical-Grade USB Patient Isolation
The ADUM3160BRWZ-RL is used to isolate USB data lines between a medical PC and patient-applied monitoring peripherals such as ECG modules, pulse oximeters, and bedside diagnostic instruments. The 2.5 kV rms reinforced isolation and 8 mm creepage along the SOIC-W package body satisfy IEC 60601-1 patient-protection requirements, protecting patients from ground faults on the host PC. The 25 kV/us microsecond CMTI rejects electrostatic-discharge transients common in hospital environments where multiple electronic devices share the same ground reference. The 12 Mbps full-speed data rate supports USB through HDU webcam, sensor, and bedside-monitor applications without throughput bottlenecks, making it the right USB-isolation IC for portable diagnostic carts.
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USB Isolation for Test and Measurement Instrumentation
The ADUM3160BRWZ-RL is widely deployed in bench-top oscilloscopes, spectrum analyzers, and USB-controlled instrumentation from breaking ground loops and protecting the host computer when probing high-voltage circuits. The 2.5 kV rms isolation prevents ground loops from corrupting low-level USB data when the instrument and host PC are connected to different power sources. The 25 kV/us microsecond CMTI rejects fast-switching transients from the device under test, ensuring reliable USB enumeration even in electrically noisy bench setups. With full-speed 12 Mbps support, the part handles USB 5.x webcam, USB-to-GPIB, and USB-to-SPI adapter commands without throughput bottleneck for instrumentation-class applications.
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Isolated Programming and Debug Interface for Embedded Targets
The ADUM3160BRWZ-RL isolates the USB programming interface between a host development PC and an embedded microcontroller target board operating from a different ground domain. When programming motor-inverting or high-voltage inverter firmware, the isolation prevents ground-loop currents from flowing through the USB cable and corrupting flash operations. The 2.5 kV rms withstand voltage protects the host PC and developer from accidental shorts when the target board is powered from a high-voltage rail. The wide-body SOIC-W package provides 8 mm creepage, sufficient for industrial 24V and 48V target boards where isolation targets originate. Engineers use this isolator on JTAG-to-USB and serial-to-USB debug pods for safe field-upgrade of motor controllers and industrial PLC firmware.
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USB Isolation in Renewable Energy and Battery Management
The ADUM3160BRWZ-RL is used to isolate USB diagnostic and configuration ports on solar inverters, battery management systems (BMS), and electric-vehicle charging stations where the high-voltage DC bus and the host diagnostic PC must remain galvanically isolated. The 2.5 kV rms reinforced isolation and 25 kV/us microsecond CMTI safely bridge the USB data pair across 400V or 800V system rails during field-service operations. With 12 Mbps full-speed support, the ADUM3160 handles USB 5.x diagnostic, telemetry, and firmware-update sessions without latency, making it suitable for service-portal deployment of grid-tied inverter firmware. The SOIC-W wide-body package supports the 8 mm PCB creepage required by IEC 62109 for PV systems and IEC 61851 for EV charging stations.
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Isolated USB Hub for Audio and Broadcast Equipment
The ADUM3160BRWZ-RL isolates USB audio interfaces, USB-to-MIDI adapters, and USB-controlled mixing consoles from host computers in professional audio and broadcast environments where ground loops cause 60 Hz hum in the audio signal path. The 2.5 kV rms isolation eliminates ground-potential differences between studio equipment racks, removing hum between live and broadcast audio paths. The 12 Mbps full-speed data rate supports USB 1.x audio-class devices including DACs, audio mixers, and USB microphones without latency or throughput bottleneck. The SOIC-W package provides 8 mm creepage suitable for pro-audio equipment with 240V mains isolation, making it ideal for USB-hub deployment of studio-grade audio peripherals where ground isolation removes hum.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ADUM3160BRWZ-RL – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ADUM3160BRWZ | ADUM3160BRWZ-RL7 | ADUM3161BRWZ-RL | ADUM3165WBRWZ |
|---|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50 mm Width) | 16-SOIC (0.295", 7.50 mm Width) - same | 16-SOIC (0.295", 7.50 mm Width) - same | 16-SOIC (0.295", 7.50 mm Width) - same | 16-SOIC (0.295", 7.50 mm Width) - same |
| Brand | Analog Devices | Analog Devices - same | Analog Devices - same | Analog Devices - same | Analog Devices - same |
| Isolation Voltage (rms) | 2500 V rms | 2500 V rms - same | 2500 V rms - same | 2500 V rms - same | 5000 V rms (higher) |
| Data Rate (max) | 12 Mbps (USB Full Speed) | 12 Mbps - same | 12 Mbps - same | 12 Mbps - same | 12 Mbps - same |
| CMTI | 25 kV/us microsecond | 25 kV/us microsecond - same | 25 kV/us microsecond - same | 25 kV/us microsecond - same | 25 kV/us microsecond - same |
| Operating Temperature | -40C to +105C | -40C to +105C - same | -40C to +105C - same | -40C to +105C - same | -40C to +105C - same |
| Speed Selection Logic | Standard polarity (SPD high = full-speed) | Standard polarity - same | Standard polarity - same | Inverted polarity (functional variant) | Standard polarity - same |
| Unit Price (qty 1, as of 2026-10-06) | $4.36 | $4.36 - same | $4.50 - slightly higher | $4.45 - similar | $6.20 - higher (5 kV isolation) |
Wichtigste Unterscheidungsmerkmale
- Integrated USB 1.1 speed-selection and pull-up/pull-down logic on-chip (vs. ADUM3165WBRWZ)
- True drop-in 16-pin SOIC-W package across the ADUM316x family (vs. Texas Instruments ISOUSB211)
- 25 kV/us microsecond CMTI rating for industrial-grade noise immunity (vs. ADUM3160BRWZ (tube variant))
Designhinweise
Maintain at least 8 mm of creepage distance on the board surface between side-1 (host) and side-2 (peripheral) copper pours to preserve the 2.5 kV rms isolation rating. Place the ADUM3160BRWZ-RL such that the package body straddles the isolation barrier, with side-1 pins (1-8) on the host ground domain and side-2 pins (9-16) on the peripheral ground domain. Avoid running traces or placing components under the package body in the isolation gap. A typical 4-layer board achieves 8 mm creepage with 1 oz copper spacing; for higher-voltage reinforced isolation, increase to 6 oz copper and 10 mm spacing.
Place ferrite beads on VBUS1 and VBUS2 supply pins to filter common-mode noise from upstream and downstream USB cables. Each side requires a local 10 uF bulk capacitor plus a 0.1 uF ceramic decoupling capacitor placed within 5 mm of the VBUS pin to suppress switching transients. The VBUS1 and VBUS2 supplies must be independently regulated - do not share the same 5 V rail across the isolation barrier or the isolation will be defeated. For hot-plug robustness, add TVS diodes on VBUS1 and VBUS2 to clamp ESD to within the 5.5 V absolute-maximum supply specification.
Match the D+/D- trace impedance to 90 ohms differential per the USB 1.1 electrical layer, with trace lengths matched to within 150 mils to prevent skew-induced signal-integrity issues on the full-speed 12 Mbps data. Use a 4-layer stackup with continuous ground reference under the differential traces. Add a common-mode choke in series with D+ and D- on each side of the ADUM3160BRWZ-RL to attenuate common-mode noise that may couple across the iCoupler transformer. Avoid routing the USB pair parallel to switching converter traces for more than 100 mils to prevent capacitive coupling of switching transients.
Do not dynamically change the SPD pin state after USB enumeration - the ADUM3160BRWZ-RL sets its speed at power-on only and may not reliably renegotiate with the host if SPD is toggled mid-session. Ensure the SPD pin is hardwired to VBUS (full-speed) or GND (low-speed) before VBUS1 rises, or the device may enumerate at the wrong speed. Do not exceed the 5.5 V absolute-maximum VBUS1 or VBUS2 rating during hot-plug transients; add TVS clamps if the upstream supply is unregulated. The NC pins (5-10) must remain unconnected - they are not internally tied and must not be grounded, as this could violate creepage.
Compliance-Informationen
RoHS and REACH compliant per Analog Devices product page. Not AEC-Q100 qualified - this is an industrial-grade digital isolator. UL 1577 and IEC 61010-1 reinforced isolation certified per datasheet. Lead-free reflow compatible at 260C peak per JEDEC J-STD-020.
