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THVD1406DR
+NomenclatureIC TRANSCEIVER HALF 1/1 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #THVD1406DR
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Fiche technique THVD1406DR DataSheet
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En stock17147
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Half |
| Receiver Hysteresis | 50 mV |
| Data Rate | 500kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
Présentation
Description
A key feature of the THVD1406DR is its enhanced ESD protection, ensuring it can withstand electrostatic discharges up to ±18 kV, which is critical for industrial environments. It includes fail-safe features that prevent bus contention and signal distortion, ensuring stable communication even during power loss or disconnection.
The transceiver is pin-compatible with existing RS-485 devices, simplifying upgrades in legacy systems. Its low power consumption in standby mode helps conserve energy in battery-powered applications. The THVD1406DR is suitable for use in industrial automation, building automation systems, motor control, and other applications requiring robust serial communication.
Equivalent
1. MAX485 from Maxim Integrated
2. SN65HVD72 from Texas Instruments
3. ADM485 from Analog Devices
4. LTC485 from Linear Technology (now part of Analog Devices)
5. SP485 from Sipex (now part of MaxLinear)
These alternatives offer similar functionalities for RS-485 communication, but it's important to check specific parameters to ensure compatibility with your application.
Features
1. Data Rate: Supports high-speed data rates up to 20 Mbps, making it suitable for high-speed communication applications.
2. Wide Supply Voltage Range: Operates on a broad supply voltage range from 3 V to 5.5 V, offering flexibility in different application scenarios.
3. Enhanced ESD Protection: Provides protection against electrostatic discharge (ESD) with a rating of ±15 kV Human Body Model (HBM).
4. Receiver Equalization: Equipped with advanced receiver equalization, which improves signal quality over long distances.
5. Low Power Consumption: Features a low quiescent current, contributing to energy-efficient operations.
6. Fail-Safe Mechanism: Incorporates a robust fail-safe mechanism that ensures the receiver remains stable under open, short, or idle bus conditions.
7. Thermal Shutdown Protection: Includes thermal shutdown protection to prevent damage from overheating.
8. Small Package Size: Available in a small, compact package size, facilitating integration into space-constrained designs.
These features make the THVD1406DR an ideal choice for applications requiring reliable and efficient data transmission in challenging environments.
Pinout
1. Pin 1 (R): Receiver Output - Provides the output of the receiver.
2. Pin 2 (RE̅̅̅): Receiver Enable - A low input enables the receiver, while a high input disables it.
3. Pin 3 (DE): Driver Enable - A high input enables the driver, while a low input disables it.
4. Pin 4 (D): Driver Input - Accepts the data input for the driver.
5. Pin 5 (GND): Ground - Reference point for all signals.
6. Pin 6 (A): Non-Inverting Driver Output / Non-Inverting Receiver Input.
7. Pin 7 (B): Inverting Driver Output / Inverting Receiver Input.
8. Pin 8 (VCC): Supply Voltage - Powers the device, typically 3.3V or 5V.
The THVD1406DR supports data rates up to 20 Mbps and features enhanced ESD protection. It is suitable for use in industrial automation, building automation, and other applications requiring reliable RS-485/RS-422 communication.