MAX14840EATA+ Analog Devices Integrated Circuit (Small Outline No-lead) In Stock
The MAX14840EATA+ is a single-channel EIA-485 line transceiver from Analog Devices with differential Schmitt-trigger inputs and differential output rated for -40°C to +125°C operation. It comes in a compact 8-pin LFCSP 3x3 mm package for robust RS-485 communications in industrial environments.
- Manufacturer
- Analog Devices
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX14840EATA+ Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- EIA-485 / RS-485 half-duplex line transceiver with differential Schmitt-trigger input
- 1-bit driver/receiver supporting differential signaling for noise-immune communication
- Operating temperature range of -40°C to +125°C for harsh industrial environments
- 8-pin LFCSP 3x3x0.75 mm ultra-compact package
- Differential output for long-distance multi-node RS-485 bus networks
- JESD-609 e3 RoHS-compliant lead-free construction
Applications
The MAX14840EATA+ is designed for industrial RS-485 communication networks in building automation, factory fieldbus, HVAC control, and process instrumentation where differential signaling over long cable runs and high noise immunity are critical. Its extended -40°C to +125°C temperature range makes it suitable for outdoor and high-temperature industrial installations.
Specifications
| Manufacturer Package Code | 8-LFCSP-3X3X0.75 |
| Date Of Intro | 2010-03-02 |
| YTEOL | 10 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485 |
| JESD-30 Code | S-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Out Swing-Min | 1.5V |
| Output Low Current-Max | 0.001A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.12,25 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 25ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 4mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 20ns |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What temperature range does MAX14840EATA+ support, and which harsh-environment use cases does that enable?
MAX14840EATA+ operates from -40°C to +125°C, covering outdoor industrial installations, engine compartment sensors, and high-ambient-temperature control cabinets where standard commercial-grade RS-485 transceivers rated to only 85°C would be unreliable.
How does the differential Schmitt-trigger input of MAX14840EATA+ improve RS-485 bus noise immunity?
The differential Schmitt-trigger receiver input of MAX14840EATA+ combines common-mode noise rejection inherent to the EIA-485 standard with hysteresis, ensuring clean digital output even when the RS-485 bus carries several volts of common-mode interference from industrial motor drives or switching power supplies on shared cable runs.
For a compact industrial sensor node, how does the 3x3 mm LFCSP package of MAX14840EATA+ compare to traditional SOIC RS-485 transceivers?
The 8-pin LFCSP package of MAX14840EATA+ occupies only about 9 square millimeters of PCB area — roughly 4 to 5 times smaller than an equivalent 8-pin SOIC footprint — enabling RS-485 transceiver integration into dense sensor node boards and miniaturized industrial I/O modules where board space is severely limited.
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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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