ADUM1201AR-RL7 Analog Devices Capacitor (Small Outline Packages) In Stock
Analog Devices ADUM1201AR-RL7 is a dual-channel digital isolator using iCoupler magnetic isolation technology, supporting 3.3V and 5V operation with two isolation channels in an 8-pin SOIC package. Available in stock worldwide.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- ADUM1201AR-RL7 Datasheet PDF
- Category
- Capacitor
- Price
- From $1.7083(MOQ 102)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-channel iCoupler magnetic digital isolation eliminating optocoupler lifetime and speed limitations
- Compatible with both 3.3V and 5V nominal supply rails for flexible mixed-voltage system integration
- 8-pin SOIC package providing a compact, easy-to-solder footprint for isolation barrier designs
Applications
The ADUM1201AR-RL7 is designed for industrial automation and motor drive systems that require reliable galvanic isolation between high-voltage power stages and low-voltage microcontroller interfaces. Its dual-channel configuration enables bidirectional signal isolation for RS-485, SPI, or GPIO signals across isolation barriers up to 2500V rms. The device is also widely used in medical equipment and power converters where patient or operator safety demands certified isolation barriers.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES AT 5V NOMINAL SUPPLY |
| Interface IC Type | DIGITAL ISOLATOR |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e0 |
| Number of Functions | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 240 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn85Pb15) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ADUM1201AR-RL7:
Frequently Asked Questions
How many isolated channels does the ADUM1201AR-RL7 provide and what are their directions?
The ADUM1201AR-RL7 provides 2 isolated digital channels, both in the same direction (2 inputs on side 1, 2 outputs on side 2), enabling isolation of 2 independent digital signals across a galvanic barrier with data rates up to 1 Mbps per channel for reliable noise-immune signal transmission in industrial environments.
Which supply voltages are compatible with the ADUM1201AR-RL7 for mixed 3.3V and 5V system designs?
The ADUM1201AR-RL7 operates at both 3.3V and 5V nominal supply on either side of the isolation barrier independently. This means the primary side can run at 5V (connected to a high-voltage power stage) while the secondary side runs at 3.3V (connected to a microcontroller), without requiring level-shifting logic.
What advantage does iCoupler technology in ADUM1201AR-RL7 offer over traditional optocoupler isolation?
Unlike optocouplers that degrade over time as the LED emitter ages, ADUM1201AR-RL7's iCoupler magnetic isolation maintains stable performance across the full operating lifetime. It also supports data rates up to 1 Mbps, response times under 1 µs, and eliminates the current-transfer-ratio (CTR) variability that complicates optocoupler bias circuit design.
For an RS-485 industrial network interface, how does ADUM1201AR-RL7 protect the host microcontroller?
ADUM1201AR-RL7 places a 2500V rms galvanic isolation barrier between the RS-485 transceiver and the microcontroller GPIO. This prevents surge voltages and ground fault currents from damaging the microcontroller, complying with IEC 61000-4-5 surge immunity requirements common in industrial fieldbus installations with cable lengths exceeding 100 meters.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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