LTC2851HMS8 Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC2851HMS8 is an automotive-grade RS-422/RS-485 single transceiver operating at data rates up to 20 Mbps with ±15 kV ESD protection in an 8-pin MSOP package. It supports half-duplex RS-485 and full-duplex RS-422 communication over long cable runs. Available in stock worldwide with fast shipping for automotive and industrial network designs.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC2851HMS8 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2851HMS8?
- Supports RS-422 and RS-485 protocols at data rates up to 20 Mbps for high-speed industrial networks
- ±15 kV ESD protection on bus pins prevents damage from electrostatic discharge in harsh environments
- AEC-Q100 automotive qualification for reliable operation across -40°C to +125°C temperature range
- Low standby current enables power-efficient node design in multi-drop RS-485 network architectures
- Compact 8-pin MSOP package minimizes board area for automotive and industrial interface modules
What is LTC2851HMS8 used for?
The LTC2851HMS8 is designed for automotive body control modules, in-vehicle network interfaces, and industrial RS-485 fieldbus nodes requiring AEC-Q100 certified transceivers with robust ESD protection up to ±15 kV. Its 20 Mbps maximum data rate supports high-speed sensor networks, motor controllers, and PLC communication links in factory automation and building management systems. The device is also used in harsh industrial environments where long cable runs and electrical noise demand reliable differential signaling with strong fault protection.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LTC2851HMS8 datasheet?
LTC2851HMS8 Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2851HMS8?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What maximum data rate does the LTC2851HMS8 support for RS-485 network communications?
The LTC2851HMS8 supports data rates up to 20 Mbps in RS-485 and RS-422 modes, making it suitable for high-speed multi-drop networks and point-to-point communication links. This rate is sufficient for most industrial automation protocols including Profibus and Modbus RTU at maximum baud rates.
How does the ESD protection level of LTC2851HMS8 benefit harsh industrial installations?
The LTC2851HMS8 provides ±15 kV ESD protection on its RS-485 bus pins, well above the ±2 kV minimum required by IEC 61000-4-2 standards. This protects the transceiver and connected microcontroller from electrostatic discharge events common in factory environments with pneumatic tools, conveyor belts, and unshielded cable routing across large facilities.
Is the LTC2851HMS8 qualified for automotive applications, and what temperature range does it cover?
Yes, the LTC2851HMS8 is AEC-Q100 qualified for automotive use, covering the full automotive temperature range of -40°C to +125°C. This makes it reliable for body control modules, gateway ECUs, and in-vehicle diagnostic interfaces where thermal cycling and under-hood temperatures exceed standard commercial component ratings.
Can the LTC2851HMS8 be used in both half-duplex RS-485 and full-duplex RS-422 topologies?
Yes, the LTC2851HMS8 supports both half-duplex RS-485 multi-drop bus operation and full-duplex RS-422 point-to-point links from the same 8-pin MSOP package. A direction-control enable pin switches between transmit and receive modes in RS-485 half-duplex configurations, eliminating the need for separate single-direction RS-422 transceiver ICs.
How does the MSOP-8 package of LTC2851HMS8 compare to SOIC-8 in a space-constrained automotive module?
The 8-pin MSOP package measures approximately 3 mm x 3 mm, roughly half the footprint of a standard SOIC-8 at 4.9 mm x 6 mm. This 50% area reduction is significant for automotive body control modules or gateway ECUs where connector density and PCB miniaturization directly affect module cost and form factor constraints.
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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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