THVD1552DGSR

Single Transmitter/Receiver RS-422/RS-485/RS-422 10-Pin VSSOP T/R
4,179 有效庫存

THVD1552DGSR

有效庫存4,179

Single Transmitter/Receiver RS-422/RS-485/RS-422 10-Pin VSSOP T/R

  • 製造商零件號 # : THVD1552DGSR

  • 包裝/封裝: VSSOP-10

  • 製造商: Texas Instruments

  • 產品分類 : Drivers, Receivers, Transceivers

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THVD1552DGSR 數據表
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詳細說明

The THVD1552DGSR is a robust RS-485/RS-422 transceiver designed for use in harsh industrial environments. It features high immunity to electrical fast transients and electrostatic discharge events, removing the need for additional protection components in the system. Operating on a single 5V supply, this device offers an extended common-mode voltage range, making it ideal for long cable runs in multi-point applications. The small VSSOP package of the THVD1552DGSR makes it suitable for space-constrained installations, while its temperature range of -40°C to 125°C ensures reliable performance in extreme conditions

主要特徵

  • Increased Node Count Capability
  • Flexible Topology Options
  • Simplified System Integration

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 Full Supply voltage (nom) (V) 5
Signaling rate (max) (MBits) 50 IEC 61000-4-2 contact (±V) 18000
Fault protection (V) -18 to 18 Common-mode range (V) -15 to 15
Number of nodes 196 Features Extended common mode, IEC ESD protection
Isolated No Supply current (max) (µA) 1000
Rating Catalog Operating temperature range (°C) -40 to 125

Specification Comparison

THVD1552DGSR vs THVD1550D vs THVD1550DGK THVD1552DGSR vs THVD1552DR vs THVD1551DGK

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 THVD1552DGSR PDF 下載

常見問題解答

What is THVD1552DGSR?

The THVD1552DGSR is a dual-channel, 5-V, RS-485 transceiver designed by Texas Instruments. It is specifically designed for high-speed (up to 20 Mbps) data transmission over long cable lengths, making it suitable for industrial automation, motor control, and building automation applications.

How Does THVD1552DGSR Work?

The THVD1552DGSR operates by converting TTL/CMOS logic levels to RS-485-compatible differential voltage signals and vice versa. The transceiver allows for robust communication in noisy industrial environments and over long cable distances. It features enhanced ESD protection and supports extended common-mode voltage range, ensuring reliable data transmission in demanding scenarios.

How Many Pins does THVD1552DGSR have and What are the Functions of the Pinout Configuration?

The THVD1552DGSR is housed in a 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • RO: Receiver Output Pin.
  • RE: Receiver Output Enable Pin.
  • DI: Driver Input Pin.
  • DE: Driver Output Enable Pin.
  • GND: Ground Pin.
  • VCC: Power Supply Pin.
  • A: Channel A Differential Signal Input/Output Pin.
  • B: Channel B Differential Signal Input/Output Pin.

What are the Pros and Cons of THVD1552DGSR?

Pros:

  • High-Speed Data Transmission: Supports data rates up to 20 Mbps for fast communication.
  • Robust and Reliable: Enhanced ESD protection and extended common-mode voltage range for reliable operation in harsh environments.
  • Low Power Consumption: Operates with low power, suitable for power-sensitive applications.
  • Small Form Factor: 8-pin SOIC package provides space-efficient implementation.
  • Industry-Standard Compatibility: Complies with RS-485 standards for interoperability with existing systems.

Cons:

  • External Components: May require external termination resistors for optimal signal integrity.
  • Temperature Consideration: Performance may be affected by temperature variations in extreme environments.
  • Noisy Environments: While robust, high levels of noise may still impact the data transmission.

Are There Any Equivalents/Alternatives to THVD1552DGSR for Recommendation?

  • The SN65HVD72 from Texas Instruments is a similar 5-V RS-485 transceiver with enhanced features.
  • Alternatives to the THVD1552DGSR include the MAX3485 from Maxim Integrated and the SN75176B from Texas Instruments.

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