THVD1406DR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The THVD1406DR from Texas Instruments is a half-duplex RS-485/RS-422 line transceiver with automatic direction control, supporting 3.3 V to 5 V operation, 500 kbps data rates, and ±12 kV IEC ESD protection in an 8-pin small-outline package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- THVD1406DR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5400(MOQ 10)
- 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 THVD1406DR?
- Half-duplex RS-485/RS-422 transceiver with automatic direction control
- 3.3 V to 5 V supply operation
- 500 kbps maximum data rate
- ±12 kV IEC 61000-4-2 ESD protection
- Differential Schmitt-trigger receiver inputs
- Compact 8-pin small-outline (SOIC) package
What is THVD1406DR used for?
The THVD1406DR is well suited for industrial RS-485/RS-422 networks such as building automation, factory sensor buses, and motor control links where robust ±12 kV ESD protection and automatic direction control simplify half-duplex communication. Its wide 3.3 V to 5 V supply range also makes it a convenient interface between mixed-voltage microcontrollers and legacy 5 V RS-485 systems.
What are the specifications of THVD1406DR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Differential Output | YES |
| Driver Number of Bits | 1 |
| High Level Input Current-Max | 0.0001A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-485-A; TIA-485-A |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Out Swing-Min | 1.5V |
| Output Characteristics | DIFFERENTIAL |
| Output Low Current-Max | 0.004A |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Receive Delay-Max | 110ns |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 3mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 5V |
| Supply Voltage1-Max | 5.5V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 5V |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 500ns |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the THVD1406DR datasheet?
THVD1406DR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for THVD1406DR?
Compatible alternatives and drop-in replacements for THVD1406DR:
Frequently Asked Questions
How does the THVD1406DR simplify half-duplex RS-485 direction switching?
The THVD1406DR features automatic direction control that senses driver enable timing internally, removing the need for a dedicated DE/RE control line while still supporting a 500 kbps data rate and differential Schmitt-trigger receiver inputs for reliable half-duplex RS-485/RS-422 communication.
What ESD robustness does the THVD1406DR provide for harsh RS-485 bus environments?
The THVD1406DR is rated for ±12 kV IEC 61000-4-2 contact discharge protection on its bus pins, letting the transceiver survive repeated electrostatic events in industrial RS-485 networks while still operating from a 3.3 V to 5 V supply in an 8-pin small-outline package.
Why might a designer choose the THVD1406DR over a manual direction-control RS-485 transceiver?
Because the THVD1406DR automatically manages the 500 kbps half-duplex bus direction without an external DE/RE signal, it reduces GPIO pin count and firmware complexity, which lowers total system cost and simplifies qualification when scaling production across multiple board revisions using the same 8-pin package.
Which industrial network types are a good fit for the THVD1406DR's half-duplex RS-485 interface?
Factory automation buses, building-management systems, and multi-drop sensor networks running at up to 500 kbps benefit from the THVD1406DR's ±12 kV ESD-hardened, 3.3 V to 5 V RS-485/RS-422 interface, which tolerates electrically noisy cable runs better than standard-ESD transceivers.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $1.0800 | $10.80 |
| 25+ | $0.9700 | $24.25 |
| 100+ | $0.5980 | $59.80 |
| 345+ | $0.5829 | $201.10 |
| 445+ | $0.5635 | $250.76 |
| 500+ | $0.5400 | $270.00 |
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