LTC2865HMSE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC2865HMSE#PBF is a full-duplex RS-422/RS-485 line transceiver with selectable 20 Mbps or 250 kbps data rates and ±60 V bus fault protection, in a 12-pin MSOP package. It includes a separate logic supply pin for 3.3 V or 5 V compatibility and differential Schmitt-trigger receivers for robust noise immunity. Available from stock with worldwide shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 12
- Lifecycle
- ACTIVE
- Datasheet
- LTC2865HMSE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.6300(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2865HMSE#PBF?
- Selectable 20 Mbps or 250 kbps data rate in a single device for flexible RS-485 bus speed configuration
- ±60 V bus fault protection shielding driver and receiver pins from industrial wiring faults and ESD events
- Separate logic supply (VL) pin supporting 3.3 V and 5 V logic interfaces without external level-shift components
What is LTC2865HMSE#PBF used for?
The LTC2865HMSE#PBF serves industrial automation backplanes, energy meter networks, and building management systems that require reliable RS-485 communication over long cable runs in electrically noisy environments. Its ±60 V fault protection prevents transceiver damage from cross-wired power conductors or surge events common in field installations. The small 12-pin MSOP package and single-chip dual-rate capability also make it ideal for space-constrained field instruments, remote I/O modules, and SCADA terminal units needing multi-drop RS-485 connectivity.
What are the specifications of LTC2865HMSE#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1666 |
| YTEOL | 10 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| High Level Input Current-Max | 0.000005A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-422; EIA-485 |
| JESD-30 Code | R-PDSO-G12 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Out Swing-Min | 1.5V |
| Output Low Current-Max | 0.003A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Receive Delay-Max | 65ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 1.3mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 1500ns |
| ## LTC2865HMSE#PBF Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Where can I find the LTC2865HMSE#PBF datasheet?
LTC2865HMSE#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2865HMSE#PBF?
Compatible alternatives and drop-in replacements for LTC2865HMSE#PBF:
suggested
Frequently Asked Questions
How does LTC2865HMSE#PBF achieve ±60 V bus fault protection, and why does that matter in the field?
The LTC2865HMSE#PBF uses internal protection circuitry on the A, B, Y, and Z bus pins to withstand continuous voltages from −60 V to +60 V without damage. In industrial field wiring, accidental connection to 24 V DC power rails or 48 V telecom battery buses is common, and standard RS-485 transceivers rated for only ±15 V or ±25 V fail permanently under such conditions. The ±60 V rating of the LTC2865HMSE#PBF eliminates costly field replacements and extends network uptime.
What is the difference between the 20 Mbps and 250 kbps modes of LTC2865HMSE#PBF, and how is the mode selected?
The LTC2865HMSE#PBF selects between 20 Mbps full-rate and 250 kbps low-slew modes via a logic-level pin. At 20 Mbps the driver slews rapidly for maximum data throughput on short cables up to about 12 m. At 250 kbps the reduced slew rate lowers EMI and extends cable reach beyond 1200 m per RS-485 specification, which is critical for distributed building sensors and energy metering networks spread across large facilities.
How compact is the LTC2865HMSE#PBF package, and how does it compare to the DFN variant?
The LTC2865HMSE#PBF comes in a 12-pin MSOP package with a body measuring approximately 3 mm x 3 mm and a 0.5 mm lead pitch. This is similar in footprint to the DFN package variant (LTC2865IDE#PBF) but slightly taller with exposed leads, which simplifies hand-soldering during prototyping. Both variants are electrically identical, so a designer can swap between them based on PCB assembly process preference without any firmware or circuit changes.
Can LTC2865HMSE#PBF drive a large multi-drop RS-485 network, and how many nodes does it support?
The LTC2865HMSE#PBF presents a 1/8 unit load, enabling up to 256 receivers on a single RS-485 segment under the standard 32-unit-load bus rule. At 250 kbps on a 1200 m twisted-pair cable terminated with 120-ohm resistors at each end, the network can address up to 256 slave nodes reliably. Reducing cable length or adding signal repeaters every 1200 m allows the network to scale further while maintaining correct differential voltage margins above 200 mV.
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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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