THVD1420DR

RS-422/RS-485 Interface IC
6,008 有效庫存

THVD1420DR

有效庫存6,008

RS-422/RS-485 Interface IC

  • 製造商零件號 # : THVD1420DR

  • 包裝/封裝: SOIC-8

  • 製造商: Texas Instruments

  • 產品分類 : Drivers, Receivers, Transceivers

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服務與包裝

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例子

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THVD1420DR 數據表

價格 (USD)

數量 單價 總價
1 $0.791 $0.79
10 $0.645 $6.45
30 $0.573 $17.19
100 $0.500 $50.00
500 $0.457 $228.50
1000 $0.436 $436.00

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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請提交詢價 THVD1420DR 或發送電子郵件給我們： Email: [email protected], 我們將在 12 小時內與您聯繫。

詳細說明

Operating from a single 3 to 5.5-V supply, the THVD1400 and THVD1420 boast a wide common-mode voltage range and low input leakage on bus pins, making them ideal for use in multi-point applications over long cable runs. This ensures stable and efficient communication in industrial environments where reliability is crucial

THVD1420DR

主要特徵

  • Compact 8-pin SOT package option
  • Data rate up to 12 Mbps available
  • Robust signal integrity features
  • Receiver threshold: 3 V to 5.5 V
  • Suitable for industrial automation
  • Built-in idle bus detection

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Number of receivers 1 Number of transmitters 1
Duplex Half Supply voltage (nom) (V) 3.3, 5
Signaling rate (max) (MBits) 12 IEC 61000-4-2 contact (±V) 12000
Fault protection (V) -16 to 16 Common-mode range (V) -7 to 12
Number of nodes 256 Features IEC ESD protection
Isolated No Supply current (max) (µA) 3000
Rating Catalog Operating temperature range (°C) -40 to 125

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 THVD1420DR PDF 下載

常見問題解答

What is THVD1420DR?

The THVD1420DR is a half-duplex RS-485 transceiver designed by Texas Instruments. It is specifically optimized for high-speed communication in industrial applications, allowing for reliable data transmission over long cable lengths in noisy environments.

How Does THVD1420DR Work?

The THVD1420DR operates as a half-duplex transceiver for RS-485 communication. It enables bidirectional data transmission between a controller and multiple nodes while ensuring signal integrity and noise immunity. The transceiver features low propagation delay and low pulse width distortion, making it suitable for high-speed data transfer.

How Many Pins does THVD1420DR have and What are the Functions of the Pinout Configuration?

The THVD1420DR is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • A, B: Differential communication pins for connecting to the RS-485 network.
  • !RE, !DE: Control pins for enabling the receiver and driver, respectively.
  • GND: Ground pin.
  • VCC: Power supply pin.
  • Y, Z: ESD-protected pins for connecting to the controller/interface.

What are the Pros and Cons of THVD1420DR?

Pros:

  • High-Speed Communication: Optimized for high-speed RS-485 communication up to several megabits per second.
  • Noise Immunity: Provides robust noise immunity for reliable data transmission in industrial environments.
  • Low Propagation Delay: Features low propagation delay for minimal signal delay in data transmission.
  • ESD Protection: Includes ESD-protected pins for enhanced reliability and protection against electrostatic discharge.
  • Compact Package: The 8-pin SOIC package offers space-efficient integration into circuit designs.

Cons:

  • Half-Duplex Operation: Supports half-duplex communication, limiting simultaneous bidirectional data transfer.
  • External Components: May require additional external components for certain configurations or applications.
  • Operating Voltage: The operating voltage range may need to be carefully considered for compatibility with other system components.

Are There Any Equivalents/Alternatives to THVD1420DR for Recommendation?

  • The SN65HVD72DR from Texas Instruments is a similar RS-485 transceiver with enhanced features.
  • Alternatives to the THVD1420DR include the MAX485 from Maxim Integrated and the ST485 from STMicroelectronics.

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