THVD1450DRBR
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-VDFN Exposed Pad |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount, Wettable Flank |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Type | Transceiver |
| Data Rate | 50Mbps |
| Receiver Hysteresis | 30 mV |
| Supplier Device Package | 8-VSON (3x3) |
| 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 | THVD1450 |
| REACH Status | REACH Unaffected |
| Standard Package | 3,000 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
THVD1450DRBR RS-485 transceiver Interface IC
The THVD1450DRBR is a robust, 3V to 5.5V single-supply RS-485 transceiver designed to thrive in electrically harsh industrial environments. Housed in a compact 8-pin VSON (3mm x 3mm) package, this half-duplex IC integrates one driver and one receiver, supporting blazing-fast data rates up to 50 Mbps for high-speed serial communication. It strictly adheres to the TIA/EIA-485A standard and features an extended common-mode voltage range of ±15V, ensuring reliable data integrity ovear long cable runs in noisy multi-point networks.
This transceiver is engineered for resilience and efficiency. Its ultra-low power consumption (standby current <1 µA) makes it suitable for battery-powered or energy-conscious devices, while the wide 3V to 5.5V supply range offers seamless compatibility with both 3.3V and 5V logic systems. To combat electromagnetic interference, the device incorporates low-emission switching profiles and a generous 30 mV receiver hysteresis, providing superior noise immunity against signal jitter in electrically noisy environments. System reliability is further bolstered by built-in fail-safe circuitry that guarantees a logic-high receiver output under open-circuit, short-circuit, or idle-bus conditions, preventing data errors. Capable of supporting up to 256 nodes on a single bus (1/8 unit load), it operates flawlessly across the industrial temperature range of -40°C to +125°C, ensuring consistent performance in extreme conditions.
Alternative RS-485 transceivers
1. SN65HVD72DRBR (TI): A similar 3.3V half-duplex RS-485 transceiver offering up to 20 Mbps speed and ±16 kV HBM ESD protection, ideal for cost-sensitive industrial networks.
2. MAX3485ESA+ (Analog Devices): A classic 5V-powered RS-485 transceiver with ±15 kV ESD protection and a maximum data rate of 15 Mbps, commonly used in legacy industrial designs.
3. ADM485JNZ (Analog Devices): A robust 5V single-supply transceiver featuring a shutdown mode for low-power applications and full fail-safe inputs for reliable bus management.
4. SP485EN-L/TR (MaxLinear): A general-purpose 5V half-duplex transceiver with a 10 Mbps data rate and enhanced ESD protection, suitable for a wide range of cost-effective embedded systems.
