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THVD1400DR
+Stückliste3.3-V TO 5-V RS-485 TRANSCEIVER
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HerstellerTexas Instruments
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Herstellerteil #THVD1400DR
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Paket SOIC-8
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Auf Lager3578
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 50 mV |
| DataRate | 500kbps |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Übersicht
Description
Key features include:
1. Low Power Consumption: It has a low quiescent current, making it energy-efficient, especially in power-sensitive applications.
2. Enhanced Noise Immunity: The transceiver offers excellent noise rejection capabilities, crucial for maintaining data integrity in electrically noisy environments.
3. Wide Supply Voltage Range: It supports a wide range of supply voltages, increasing its flexibility in various applications.
4. ESD Protection: The THVD1400DR integrates enhanced electrostatic discharge (ESD) protection, safeguarding it against voltage spikes and ensuring reliability.
5. Fail-safe Operation: It includes features to maintain safe operation, such as open-circuit, short-circuit, and idle-bus fail-safe modes.
Overall, the THVD1400DR is a versatile and reliable choice for industrial communication systems, offering a combination of speed, efficiency, and resilience.
Equivalent
1. Maxim Integrated: MAX485
2. Analog Devices: ADM485
3. NXP Semiconductors: PCA82C250
4. ON Semiconductor: NCV7351
5. Texas Instruments: SN65HVD72
These alternatives offer similar functionalities, but differences in specifications should be reviewed for compatibility with specific applications.
Features
1. Data Rate: Supports data rates up to 20 Mbps for high-speed communication.
2. Voltage Range: Operates within a broad supply voltage range from 2.7V to 5.5V, offering flexibility for different power environments.
3. Protection: Includes integrated protection features such as IEC ESD protection up to ±16 kV, ensuring reliability and durability in harsh conditions.
4. Fail-Safe: Built-in idle, open, and short-circuit fail-safe mechanisms to maintain stable operation in challenging network conditions.
5. Low Power: Offers low supply current consumption, enhancing energy efficiency in power-sensitive applications.
6. Temperature Range: Suitable for industrial applications with an operational temperature range from -40°C to 125°C.
7. Bus I/O: Equipped with a wide common-mode voltage range which enhances compatibility across various systems.
8. Hot Swap Capability: Supports hot-swapping, allowing for easy integration and maintenance without disrupting the network.
9. Package: Available in an 8-pin SOIC package for easy integration into existing designs.
These features make the THVD1400DR ideal for robust and reliable data transmission in industrial environments.
Pinout
1. Pin 1 (D): Driver input. This pin receives the data to be transmitted over the RS-485 bus.
2. Pin 2 (RE): Receiver enable. Active low; when asserted, the receiver is enabled.
3. Pin 3 (DE): Driver enable. Active high; when asserted, the driver is enabled.
4. Pin 4 (R): Receiver output. Outputs the data received from the RS-485 bus.
5. Pin 5 (GND): Ground. Common ground reference for the device.
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.
9. Pin 9 (NC): No connection. This pin is not internally connected.
10. Pin 10 (NC): No connection. This pin is not internally connected.
The THVD1400DR ensures high levels of noise immunity and reliable data transmission in challenging conditions.
Manufacturer
Application
1. Industrial Automation: Facilitates reliable communication in harsh environments for factory automation and process control.
2. Building Automation: Used in HVAC systems, lighting controls, and security systems for efficient data transmission.
3. Smart Grids: Assists in communication for smart meters and grid infrastructure.
4. Transportation Systems: Aids in reliable data communication for railway and automotive systems.
5. Telecommunications: Used in point-to-point and multi-point network configurations.
Its wide operating voltage range and high ESD protection make it suitable for environments requiring robust and stable data transmission.