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RS-485 & RS-422 收發器

THVD1449V

現行

具有整合式 4-kV IEC 突波防護和 1.65-V 至 5.5-V IO 支援的 12-Mbps RS-485 收發器

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產品規格表

THVD1449V

現行
產品規格表 立即訂購

產品詳細資料

Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 12 IEC 61000-4-2 contact (±V) 15000 Fault protection (V) -15 to 15 Common-mode range (V) -12 to 12 Number of nodes 256 Features 1.65-V I/O supply, Extended common mode, IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 5000 Rating Catalog Operating temperature range (°C) -40 to 125
Number of receivers 1 Number of transmitters 1 Duplex Half Supply voltage (nom) (V) 3.3, 5 Signaling rate (max) (Mbps) 12 IEC 61000-4-2 contact (±V) 15000 Fault protection (V) -15 to 15 Common-mode range (V) -12 to 12 Number of nodes 256 Features 1.65-V I/O supply, Extended common mode, IEC ESD protection, Surge protection Isolated No Supply current (max) (µA) 5000 Rating Catalog Operating temperature range (°C) -40 to 125
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V Supply Voltage
  • VIO Support from 1.65-V to VCC supply level (THVD1439V, THVD1449V)
  • Bus I/O protection
    • ± 4-kV IEC 61000-4-5 1.2/50-µs surge
    • ± 15-kV IEC 61000-4-2 Contact discharge
    • ± 15-kV IEC 61000-4-2 Air-gap discharge
    • ± 4-kV IEC 61000-4-4 Electrical fast transient
    • ± 15-kV HBM ESD
    • ± 15-V DC bus fault
  • Available in two speed grades
    • THVD1439, THVD1439V: 250 kbps
    • THVD1449, THVD1449V: 12 Mbps
  • Extended ambient temperature range: -40°C to 125°C
  • Extended operational common-mode range: ± 12 V
  • Large receiver hysteresis for noise rejection
  • Low Power Consumption
    • Standby supply current: < 3 µA
    • Current during operation: < 5 mA
  • Glitch-free power-up/down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 Unit load (up to 256 bus nodes)
  • Industry standard 8-pin SOIC for drop-in compatibility
  • Meets or exceeds the requirements of the TIA/EIA-485A standard
  • 3-V to 5.5-V Supply Voltage
  • VIO Support from 1.65-V to VCC supply level (THVD1439V, THVD1449V)
  • Bus I/O protection
    • ± 4-kV IEC 61000-4-5 1.2/50-µs surge
    • ± 15-kV IEC 61000-4-2 Contact discharge
    • ± 15-kV IEC 61000-4-2 Air-gap discharge
    • ± 4-kV IEC 61000-4-4 Electrical fast transient
    • ± 15-kV HBM ESD
    • ± 15-V DC bus fault
  • Available in two speed grades
    • THVD1439, THVD1439V: 250 kbps
    • THVD1449, THVD1449V: 12 Mbps
  • Extended ambient temperature range: -40°C to 125°C
  • Extended operational common-mode range: ± 12 V
  • Large receiver hysteresis for noise rejection
  • Low Power Consumption
    • Standby supply current: < 3 µA
    • Current during operation: < 5 mA
  • Glitch-free power-up/down for hot plug-in capability
  • Open, short, and idle bus failsafe
  • 1/8 Unit load (up to 256 bus nodes)
  • Industry standard 8-pin SOIC for drop-in compatibility

THVD14x9(V) devices are half-duplex RS-485 transceivers with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature increases the reliability by providing better immunity to noise transients coupled to the data cable which eliminates the need for external protection components.

THVD1439 and THVD1449 operate from a single 3.3-V or 5-V supply. The THVD1439V and THVD1449V devices support an additional VIO supply to operate the IOs from as low as 1.65 V supply level. The devices in this family feature a wide common-mode voltage range making them suitable for multi-point applications over long cable runs.

THVD14x9(V) devices are half-duplex RS-485 transceivers with integrated surge protection. Surge protection is achieved by integrating transient voltage suppressor (TVS) diodes in the standard 8-pin SOIC (D) package. This feature increases the reliability by providing better immunity to noise transients coupled to the data cable which eliminates the need for external protection components.

THVD1439 and THVD1449 operate from a single 3.3-V or 5-V supply. The THVD1439V and THVD1449V devices support an additional VIO supply to operate the IOs from as low as 1.65 V supply level. The devices in this family feature a wide common-mode voltage range making them suitable for multi-point applications over long cable runs.
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THVD1439 現行 具整合式 4-kV IEC 突波和 IEC ESD/EFT 防護的 3.3-V 至 5-V、250-Kbps、RS-485 收發器 Support 250-Kbps data rate with similar performance, without 1.65-V to 5.5-V IO supply support
THVD1449 現行 具整合式 4-kV IEC 突波和 IEC ESD/EFT 防護的 3.3-V 至 5-V、12-Mbps、RS-485 收發器 Similar performance without 1.65-V to 5.5-V IO supply support

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* Data sheet THVD14x9x 3-V to 5.5-V RS-485 Transceivers With 4-kV Surge Protection and 1.8-V VIO Capability datasheet (Rev. B) PDF | HTML 2021年 9月 28日

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