LTC2851HMS8#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC2851HMS8#TRPBF is a single-channel RS-422/RS-485 line transceiver in an 8-pin MSOP package, designed for automotive and industrial applications with differential Schmitt trigger inputs and wide supply range. It supports data rates up to 20 Mbps and operates over a -40°C to +125°C automotive temperature range. Available in tape-and-reel from authorized distributors worldwide with fast shipping.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC2851HMS8#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.8400(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Single RS-485/RS-422 transceiver with differential Schmitt trigger receiver input for superior noise rejection on long industrial or automotive cable runs
- Operates across -40°C to +125°C automotive temperature range (H-grade) with AEC-Q100 qualification for under-hood and chassis applications
- 8-pin MSOP package (S-PDSO-G8) minimizes PCB footprint while delivering full EIA-485-A and EIA-422 standard compliance in a single device
Applications
The LTC2851HMS8#TRPBF is suited for automotive body control modules, engine management ECUs, and industrial field-bus nodes where a single RS-485 or RS-422 transceiver channel is needed in the smallest available package. Its -40°C to +125°C operating range and AEC-Q100 automotive qualification make it a reliable choice for under-hood and chassis electronics subject to wide thermal excursions. The differential Schmitt trigger input architecture provides robust common-mode noise rejection on cable runs of up to 1200 meters, typical in factory automation and HVAC control networks.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1660 |
| YTEOL | 10 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485-A; TIA-485-A; EIA-422 |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 70ns |
| Receiver Number of Bits | 1 |
| Supply Voltage-Max | 3.6V |
| 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 | 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
What maximum data rate does the LTC2851HMS8#TRPBF support, and how does that compare to standard RS-485 baud rate needs?
The LTC2851HMS8#TRPBF supports data rates up to 20 Mbps on its single RS-485/RS-422 channel, which is well above the 10 Mbps ceiling of standard EIA-485-A specifications. This headroom allows designers to run at 1 Mbps or 10 Mbps with significant timing margin, or to push throughput to 20 Mbps on short cable runs for high-speed differential communication in automotive or industrial data acquisition systems.
For an automotive ECU design running at -40°C to +125°C, why is the LTC2851HMS8#TRPBF a better fit than a commercial-grade RS-485 transceiver?
The LTC2851HMS8#TRPBF carries the H-grade designation indicating a guaranteed operating range of -40°C to +125°C, and is manufactured to AEC-Q100 automotive reliability standards. Commercial-grade RS-485 transceivers are typically rated only to +85°C and lack the qualification testing required by PPAP and IATF 16949 automotive supply chains, making the LTC2851HMS8#TRPBF the compliant choice for under-hood, transmission control, or chassis ECU applications.
How does the differential Schmitt trigger input on LTC2851HMS8#TRPBF improve noise immunity compared to single-ended UART receivers?
The differential Schmitt trigger receiver in the LTC2851HMS8#TRPBF rejects common-mode noise up to ±7V on the RS-485 bus, compared to single-ended UART receivers that have no inherent common-mode rejection. The Schmitt trigger adds hysteresis of typically 50 mV between switching thresholds, preventing false triggering from reflections and EMI on cable runs up to 1200 meters in factory automation or vehicle LIN/RS-485 body networks.
Can LTC2851HMS8#TRPBF drive a multi-drop RS-485 bus with many nodes, and what bus-load limits apply?
Yes, the LTC2851HMS8#TRPBF driver meets EIA-485-A unit load (1 UL) specifications, meaning up to 32 standard-load or 128 reduced-load (1/4 UL) nodes can be connected to a single RS-485 bus segment without exceeding driver output current limits. The driver outputs are short-circuit protected and maintain a minimum 1.5V differential output voltage across the full -40°C to +125°C operating range, ensuring reliable data reception at all nodes regardless of temperature.
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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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| 19+ | $3.7600 | $71.44 |
| 1000+ | $2.8400 | $2840.00 |
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