ADUM1310ARWZ-RL7 - 3-Ch Digital Isolator 3750Vrms | Analog Devices
MPN: ADUM1310ARWZ-RL7 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.47 | $1,235.00 |
| 1,000 | $2.19 | $2,190.00 |
Drop-in alternatives for ADUM1310ARWZ-RL7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADUM1310ARWZ
✅ Drop-In✓ In Stock
$2.2 / Unit
View Datasheet →ADUM1310ARWZ-RL
✅ Drop-In📋 Reference alternative (not in catalog)
ADUM1311ARWZ-RL7
✅ Drop-In✓ In Stock
$2.22 / Unit
View Datasheet →ADUM1301ARWZ-RL7
✅ Drop-In✓ In Stock
$2.35 / Unit
View Datasheet →ISO7731DW
✅ Drop-In📋 Reference alternative (not in catalog)
Si8631BB-B-IS1
✅ Drop-In📋 Reference alternative (not in catalog)
ADUM1310ARWZ-RL7 Maximum Ratings & Electrical Characteristics
| Number of Channels | 3 |
| Isolation Voltage | 3750 Vrms |
| Data Rate | 1 Mbps |
| Common-Mode Transient Immunity (CMTI) | 25 kV/µs |
| Supply Voltage (VDD1/VDD2) | 2.7 V to 5.5 V |
| Propagation Delay | [DATA_NEEDED: Propagation delay] |
| Pulse Width Distortion | [DATA_NEEDED: Pulse width distortion] |
| Current Consumption (5V, 0-2Mbps) | 1.7 mA per channel max |
| Current Consumption (5V, 2-10Mbps) | 4.0 mA per channel max |
| Current Consumption (3V, 0-2Mbps) | 1.0 mA per channel max |
| Current Consumption (3V, 2-10Mbps) | 2.1 mA per channel max |
| Operating Temperature Range | -40°C to +105°C |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
ADUM1310ARWZ-RL7 Pin Configuration
| Pin 1 | VDD1 — Supply voltage for side 1 |
| Pin 2 | GND1 — Ground for side 1 |
| Pin 3 | VIA — Input channel A (side 1) |
| Pin 4 | VIB — Input channel B (side 1) |
| Pin 5 | VIC — Input channel C (side 1) |
| Pin 6 | GND1 — Ground for side 1 |
| Pin 7 | NC — No connect |
| Pin 8 | NC — No connect |
| Pin 9 | VOD — Output channel D (side 2) |
| Pin 10 | VOE — Output channel E (side 2) |
| Pin 11 | VOF — Output channel F (side 2) |
| Pin 12 | GND2 — Ground for side 2 |
| Pin 13 | NC — No connect |
| Pin 14 | NC — No connect |
| Pin 15 | VDD2 — Supply voltage for side 2 |
| Pin 16 | GND2 — Ground for side 2 |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
ADUM1310ARWZ-RL7 is suitable for 6 applications: Industrial Automation, Medical Equipment, Isolated Power Supplies, Communication Interfaces, Data Acquisition Systems, Motor Drives.
Industrial Automation
The ADUM1310ARWZ-RL7 provides galvanic isolation for PLC I/O modules, motor drives, and sensor interfaces. Its 3750Vrms isolation and 25kV/µs CMTI ensure reliable operation in industrial environments with high electrical noise. The 1Mbps data rate is sufficient for most control signals, and the wide supply range (2.7V to 5.5V) allows interfacing with both 3.3V and 5V logic. The 3-channel configuration (2/1) is ideal for isolating SPI or UART signals between a controller and field devices. The low power consumption (1.7mA per channel at 5V) minimizes heat dissipation in densely populated control cabinets. The -40°C to +105°C operating range ensures performance in harsh factory conditions.
Recommended
Medical Equipment
In medical devices, patient safety requires galvanic isolation between high-voltage and low-voltage sections. The ADUM1310ARWZ-RL7 provides 3750Vrms isolation, meeting safety standards for patient monitoring, diagnostic equipment, and wearable devices. Its low power consumption is critical for battery-powered devices, and the small SOIC package saves board space. The 1Mbps data rate is adequate for transmitting vital sign data, and the high CMTI prevents false triggering from defibrillator pulses or electrosurgical units. The device's reliability and long-term stability, due to iCoupler technology, ensure consistent performance in life-critical applications. The wide supply range allows direct interfacing with both 3.3V and 5V sensors and microcontrollers.
Recommended
Isolated Power Supplies
The ADUM1310ARWZ-RL7 is used in isolated DC-DC converters and power supplies to transmit control signals across the isolation barrier. Its high CMTI (25kV/µs) ensures stable operation in the presence of fast-switching transients from the power stage. The 1Mbps data rate is sufficient for PWM control signals and fault feedback. The device's low power consumption reduces the load on the isolated power supply, improving efficiency. The 3-channel configuration allows simultaneous transmission of PWM, enable, and fault signals. The wide supply range (2.7V to 5.5V) enables direct connection to the primary and secondary side controllers. The -40°C to +105°C temperature range supports operation in power supplies for industrial and automotive applications.
Recommended
Communication Interfaces
The ADUM1310ARWZ-RL7 is ideal for isolating communication interfaces such as SPI, UART, and I2C in systems where ground potential differences exist. Its 3-channel configuration (2/1) matches SPI signals (SCLK, MOSI, MISO) perfectly. The 1Mbps data rate supports standard SPI speeds, and the high CMTI ensures error-free data transmission in noisy environments. The device's low propagation delay and pulse width distortion (as per datasheet) maintain signal integrity. The wide supply range allows voltage level translation between 3.3V and 5V domains. The SOIC package is suitable for space-constrained designs. Applications include isolated RS-232/RS-485 transceivers, fieldbus interfaces, and isolated sensor networks.
Recommended
Data Acquisition Systems
In data acquisition systems, the ADUM1310ARWZ-RL7 provides isolation between analog front-ends and digital controllers, preventing ground loops and reducing noise. Its 3750Vrms isolation protects sensitive measurement circuits from high-voltage transients. The 1Mbps data rate is sufficient for streaming digitized sensor data, and the high CMTI ensures accurate sampling in the presence of interference. The device's low power consumption is beneficial for portable data loggers. The 3-channel configuration can isolate clock, data, and control signals. The wide supply range allows interfacing with various ADC and microcontroller logic levels. The -40°C to +105°C range supports industrial data acquisition in harsh environments.
Recommended
Motor Drives
The ADUM1310ARWZ-RL7 is used in motor drive systems to isolate control signals from the high-voltage power stage. Its high CMTI (25kV/µs) is essential for reliable operation in the presence of fast-switching IGBTs or MOSFETs. The 1Mbps data rate is sufficient for PWM control and fault feedback. The device's low power consumption reduces the burden on the control power supply. The 3-channel configuration can transmit gate drive signals, current sense, and fault signals. The wide supply range (2.7V to 5.5V) allows direct connection to the microcontroller and gate driver. The -40°C to +105°C temperature range supports operation in industrial motor drives. The SOIC package is suitable for compact drive designs.
Recommended
Recommended Products Summary
Engineering reference data for ADUM1310ARWZ-RL7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADUM1310ARWZ | ADUM1310ARWZ-RL | ADUM1311ARWZ-RL7 | ADUM1301ARWZ-RL7 | ISO7731DW | Si8631BB-B-IS1 |
|---|---|---|---|---|---|---|---|
| Package | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same | 16-SOIC (0.295", 7.50mm Width) - same |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Silicon Labs |
| Isolation Voltage | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 3750 Vrms | 5000 Vrms | 2500 Vrms |
| Data Rate | 1 Mbps | 1 Mbps | 1 Mbps | 10 Mbps | 1 Mbps | 100 Mbps | 150 Mbps |
| CMTI | 25 kV/µs | 25 kV/µs | 25 kV/µs | 25 kV/µs | 25 kV/µs | 100 kV/µs | 35 kV/µs |
| Supply Voltage Range | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.25V to 5.5V | 2.5V to 5.5V |
| Number of Channels | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Channel Configuration | 2/1 (forward/reverse) | 2/1 | 2/1 | 2/1 | 1/2 | 2/1 | 2/1 |
Key Differentiators
- iCoupler technology provides superior reliability compared to optocouplers (vs Optocoupler-based isolators)
- High CMTI of 25kV/µs ensures robust operation in noisy environments (vs Si8631BB-B-IS1 (35kV/µs))
- Wide supply voltage range (2.7V to 5.5V) enables voltage translation (vs ISO7731DW (2.25V to 5.5V))
Design Notes
For the ADUM1310ARWZ-RL7, ensure proper PCB layout to maintain the specified isolation voltage. Provide adequate creepage and clearance distances between the primary and secondary sides, typically at least 8mm for 3750Vrms reinforced isolation. Use a slot or cutout under the device to increase the creepage path. Place decoupling capacitors (0.1µF) close to VDD1 and VDD2 pins, and connect the exposed pad (if present) to GND1 or GND2 as per datasheet. Avoid routing high-voltage traces under the device.
The ADUM1310ARWZ-RL7 consumes low power, but ensure the supply can handle transient currents during data transitions. At 5V, each channel draws up to 4.0mA at high data rates. Use a low-impedance supply with adequate bypassing. For voltage translation, ensure the logic levels on each side are compatible with the respective supply voltages. The device supports 2.7V to 5.5V on both sides, allowing direct interfacing with 3.3V and 5V logic.
A common pitfall is misinterpreting the channel configuration. The ADUM1310ARWZ-RL7 has a 2/1 configuration (two forward, one reverse). Verify the pinout and signal direction before layout. Also, do not exceed the absolute maximum ratings, especially the isolation voltage and supply voltage. Ensure the input signals are within the specified common-mode voltage range. For unconnected inputs, tie them to GND or VDD to avoid undefined states, as the device has a refresh mechanism but may still be sensitive to floating inputs.
Compliance Information
RoHS compliant per Analog Devices product documentation. Lead-free. No AEC-Q100 qualification indicated for this part.
