LTC4331HUFD#PBF Analog Devices Integrated Circuit (Quad Flat No-Lead) In Stock
The LTC4331HUFD#PBF is an EIA-485 differential line transceiver from Analog Devices featuring differential input and output, 1-bit driver architecture, and a 20-pin QFN package, designed for robust long-distance industrial communication over RS-485 networks.
- Manufacturer
- Analog Devices
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- LTC4331HUFD#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.6000(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 LTC4331HUFD#PBF?
- EIA-485 / RS-485 standard differential interface
- Differential input and output for high noise immunity
- 1-bit driver configuration for half-duplex communication
- Compact 20-pin QFN package for space-efficient PCB designs
- Supports extended industrial temperature ranges
- Designed for robust long-distance serial bus communication
What is LTC4331HUFD#PBF used for?
The LTC4331HUFD#PBF is used in industrial automation networks where RS-485 differential signaling provides reliable data transmission over distances up to 1200 meters in electrically noisy factory environments. It suits PLCs, SCADA systems, and building automation controllers that require half-duplex multi-drop bus communication at high data rates. Robotics and motor drive systems also employ this transceiver to isolate sensitive control electronics from high-power switching noise on shared communication buses.
What are the specifications of LTC4331HUFD#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1711 |
| YTEOL | 9 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| Input Characteristics | DIFFERENTIAL |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485 |
| JESD-30 Code | R-PQCC-N20 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Out Swing-Min | 1.5V |
| Output Characteristics | 3-STATE |
| Output Low Current-Max | 0.02A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.16X.2,20 |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 0.14mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 1.62V |
| Supply Voltage-Nom | 3.3V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
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 LTC4331HUFD#PBF datasheet?
LTC4331HUFD#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4331HUFD#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What communication standard does the LTC4331HUFD#PBF support, and how far can it transmit data reliably?
The LTC4331HUFD#PBF conforms to the EIA-485 standard, which supports differential signaling over cable lengths up to 1200 meters at lower data rates, making it suitable for industrial fieldbus networks spanning large factory floors or building automation systems.
How does the differential input architecture of the LTC4331HUFD#PBF improve noise immunity in industrial environments?
Using differential input and output signals means the receiver evaluates the voltage difference between 2 wires rather than a single-ended level, rejecting common-mode noise injected by motor drives, relays, or power lines that can exceed ±7 V on RS-485 bus lines.
Which PCB footprint does the LTC4331HUFD#PBF use, and how does it compare to SOIC alternatives for high-density designs?
The LTC4331HUFD#PBF uses a 20-pin QFN (Quad Flat No-Lead) package, which occupies significantly less board area than an equivalent 20-pin SOIC footprint, enabling denser PCB layouts in compact industrial modules or embedded communication nodes with limited space.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $10.6700 | $10.67 |
| 10+ | $7.2770 | $72.77 |
| 511+ | $7.1900 | $3674.09 |
| 1000+ | $4.6000 | $4600.00 |
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