LTC2877IMSE#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LTC2877IMSE#PBF is a 60 V fault-protected RS-485/PROFIBUS transceiver from Analog Devices, supporting EIA-485 and EIA-422 standards with differential Schmitt trigger inputs and a 3 V to 5 V logic supply range. Housed in an MSOP-8 package, it delivers robust industrial bus communication with overvoltage surge protection.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LTC2877IMSE#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.3400(MOQ 100)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 60 V fault protection on bus pins for reliable operation in industrial surge environments
- Supports RS-485 and RS-422 (EIA-485/EIA-422) for multi-drop bus topologies
- Operates with 3 V or 5 V logic supply for flexible multi-voltage system integration
- Differential Schmitt trigger receiver inputs reject common-mode noise on long cable runs
- Compact MSOP-8 package for space-constrained industrial and fieldbus interface designs
Applications
The LTC2877IMSE#PBF is designed for PROFIBUS, RS-485 multi-drop networks, and process control field devices in industrial automation environments where bus lines may be subjected to voltage transients and cable faults. Its 60 V fault protection allows survival of overvoltage events caused by cable miswiring or induced surges without requiring external clamping components. The 3 V/5 V dual-supply compatibility enables integration into both legacy 5 V industrial systems and modern 3.3 V low-power field instrument designs.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1664 |
| YTEOL | 10 |
| Additional Feature | ALSO OPERATE WITH 3V SUPPLY |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| High Level Input Current-Max | 0.00002A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-422; EIA-485 |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Characteristics | DIFFERENTIAL |
| Output Low Current-Max | 0.003A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Receive Delay-Max | 70ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 1.2mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Transmit Delay-Max | 50ns |
| 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 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the LTC2877IMSE#PBF's 60 V fault protection benefit PROFIBUS field device installations?
The LTC2877IMSE#PBF tolerates up to ±60 V on its bus pins without damage, protecting the transceiver and connected circuitry from cable miswiring, ground faults, and inducted surge voltages common in industrial plant environments. This eliminates the need for external TVS diodes or clamping networks on the bus pins, reducing BOM complexity and improving system reliability.
Can the LTC2877IMSE#PBF operate in both 3.3 V and 5 V logic supply systems?
Yes, the LTC2877IMSE#PBF accepts a logic supply voltage ranging from 3 V to 5 V, allowing it to interface with both 5 V legacy TTL/CMOS microcontrollers and 3.3 V ARM Cortex-M or FPGA logic directly. The driver outputs conform to RS-485 differential voltage levels in both supply configurations, ensuring bus compliance across the full supply range.
For a long RS-485 cable run in a noisy plant, how does the receiver's Schmitt trigger input improve data integrity?
The differential Schmitt trigger inputs on the LTC2877IMSE#PBF provide hysteresis of typically 50 mV to 70 mV, preventing false triggering caused by slow signal transitions or high-frequency noise coupled onto the RS-485 bus cable. Over cable runs of hundreds of meters, differential noise rejection combined with Schmitt hysteresis helps maintain clean logic transitions at the receiver output even in electrically noisy factory environments.
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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.
More from Analog Devices
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $5.1275 | $512.75 |
| 250+ | $4.7125 | $1178.12 |
| 1000+ | $4.3400 | $4340.00 |
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