| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Type | Transceiver |
| Data Rate | 20Mbps |
| Receiver Hysteresis | 30 mV |
| Supplier Device Package | 8-SOIC |
| Voltage - Supply | 3V ~ 5.5V |
| Protocol | RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | THVD1429 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
THVD1429DR RS-485 transceiver
General DescriptionThe THVD1429DR is a robust half-duplex RS-485 transceiver manufactured by Texas Instruments, designed for reliable high-speed data communication in harsh industrial and automotive environments. It supports a wide 3V to 5.5V supply range, delivers a maximum data rate of 20Mbps, and features an extended ±12V common-mode voltage range, enabling stable operation in noisy environments with large ground potential differences. Integrated with comprehensive protection mechanisms including ±16kV HBM ESD, ±8kV IEC 61000-4-2 contact discharge, ±4kV EFT, and ±2.5kV surge protection, it ensures exceptional system durability. Housed in a compact 8-pin SOIC package, it operates across a -40°C to +125°C temperature range and offers 1/8 unit load, supporting up to 256 nodes on a single bus.
The THVD1429DR is widely used in industrial automation systems such as PLCs, motor drives, and sensor networks requiring robust high-speed differential communication. It serves as a key component in building automation, HVAC control, and smart grid systems, leveraging its noise immunity and surge protection for long-distance data transmission. It is ideal for automotive electronics including body control modules, infotainment systems, and diagnostic interfaces, meeting stringent ESD and EMC requirements. It also finds application in telecommunications, point-of-sale terminals, and battery-powered devices needing low-power, high-reliability RS-485 connectivity.
Alternative transceivers
● Maxim MAX485ESA: 5V-powered RS-485 transceiver with 10Mbps data rate, ±15kV ESD protection, and SOIC-8 package, offering cost-effective basic communication performance.
● Vishay SI8641ED: High-speed 20Mbps RS-485 transceiver with ±25kV ESD protection, wide supply range, and enhanced surge immunity for industrial use.
● STMicroelectronics ST485BD: 5V half-duplex transceiver with 2.5Mbps data rate, low standby current, and SOIC-8 package, optimized for low-speed, low-cost applications.
● Analog Devices ADM2483: Isolated RS-485 transceiver with 20Mbps data rate, integrated transformer driver, and reinforced isolation for high-noise industrial environments.