LTM2881HY-3 Analog Devices Integrated Circuit (BGA) In Stock
The LTM2881HY-3 is a complete isolated RS-485/RS-422 µModule transceiver from Analog Devices, integrating an isolated data transceiver and DC/DC power converter in a 32-ball BGA package. It supports up to 20 Mbps data rates with 2500 V RMS isolation, making it ideal for industrial fieldbus, process control, and noise-sensitive communication networks.
- Manufacturer
- Analog Devices
- Package
- BGA
- Pin Count
- 32
- Lifecycle
- ACTIVE
- Datasheet
- LTM2881HY-3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $35.1880(MOQ 5)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTM2881HY-3?
- Complete isolated RS-485/RS-422 transceiver with integrated DC/DC power converter
- 2500 V RMS galvanic isolation protects sensitive control electronics
- Up to 20 Mbps data rate for high-speed industrial fieldbus communication
- Half-duplex and full-duplex (RS-422) operation in a single 32-ball BGA module
- Wide supply range of 3 V to 5.5 V simplifies power design
- ±35 V bus fault protection for rugged industrial environments
What is LTM2881HY-3 used for?
The LTM2881HY-3 is used in industrial automation, PLC field I/O, and process control equipment where galvanic isolation is required between the controller and field-side RS-485 or RS-422 bus segments. Its integrated power converter eliminates the need for a separate isolated supply, reducing BOM count and simplifying PCB layout in distributed sensor networks and motor drive systems. It is also applied in medical instrumentation and building automation systems where 2500 V RMS isolation ensures patient safety and noise immunity.
What are the specifications of LTM2881HY-3?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1851 |
| YTEOL | 8.5 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| High Level Input Current-Max | 0.000001A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485-A; TIA-485-A; EIA-422 |
| JESD-30 Code | R-PBGA-B32 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Out Swing-Min | 2.1V |
| Output Characteristics | 3-STATE |
| Output Low Current-Max | 0.004A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY |
| Peak Reflow Temperature (Cel) | 245 |
| Receive Delay-Max | 140ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 30mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.62V |
| Supply Voltage-Nom | 3.3V |
| Supply Voltage1-Max | 3.6V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 3.3V |
| Surface Mount | YES |
| Technology | HYBRID |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Tin/Lead (Sn63Pb37) |
| Terminal Form | BALL |
| Terminal Pitch | 1.27mm |
| Terminal Position | BOTTOM |
| Transmit Delay-Max | 1550ns |
| Package | BGA |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LTM2881HY-3 datasheet?
LTM2881HY-3 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTM2881HY-3?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What isolation voltage does the LTM2881HY-3 provide, and why does that matter for industrial RS-485 networks?
The LTM2881HY-3 provides 2500 V RMS galvanic isolation between the controller side and the RS-485/RS-422 bus. This level of isolation protects sensitive microcontrollers and DSPs from ground potential differences, transient surges, and fault voltages commonly encountered in industrial fieldbus installations spanning long cable runs across multiple electrical panels.
Can the LTM2881HY-3 handle high-speed data transmission in time-sensitive control loops?
Yes. The LTM2881HY-3 supports data rates up to 20 Mbps, which is sufficient for demanding real-time control applications including servo drives, PLC I/O expansion, and distributed motion control. The integrated differential Schmitt trigger inputs maintain signal integrity even when receiving data across noisy industrial cables over distances of 100 m or more.
How does the integrated DC/DC converter in LTM2881HY-3 simplify board design compared to discrete isolated transceivers?
By embedding the isolated DC/DC power converter alongside the RS-485/RS-422 transceiver in one 32-ball BGA µModule, the LTM2881HY-3 eliminates the separate isolated power supply typically required in discrete designs. This integration reduces PCB footprint by roughly 50%, cuts BOM count by several components, and shortens design time while maintaining 2500 V RMS isolation across a 3 V to 5.5 V input supply range.
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Why Buy from FindMyChip
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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $40.6016 | $203.01 |
| 7+ | $39.2482 | $274.74 |
| 9+ | $35.1880 | $316.69 |
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