THVD1520
- Meets or exceeds the requirements of the TIA/EIA-485A standard
- 4.5-V to 5.5-V supply voltage
- 10 Mbps, Half-Duplex RS-422/RS-485
- Bus I/O protection
- ± 16-kV HBM ESD
- ± 8-kV IEC 61000-4-2 contact discharge
- ± 8-kV IEC 61000-4-2 air gap discharge
- ± 4-kV IEC 61000-4-4 fast transient burst
- Extended industrial temperature range: -40°C to 125°C
- Large receiver hysteresis for noise rejection
- Low power consumption
- Low standby supply current: < 1 µA
- Quiescent during operation: < 840 µA
- 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)
THVD1520 is a robust half-duplex RS-485 transceiver for industrial applications. The bus pins are immune to high levels of IEC contact discharge ESD events eliminating the need of additional system-level protection components.
The device operates from a single 5-V supply. The wide common-mode voltage range and low input leakage on bus pins make THVD1520 suitable for multi-point applications over long cable runs.
THVD1520 is available in industry standard 8-pin SOIC package for drop-in compatibility. The device is characterized for ambient temperatures from –40°C to 125°C.
技術文件
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檢視所有 2 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | THVD1520 10 Mbps RS-485 Transceiver With ±8-kV IEC ESD Protection datasheet | PDF | HTML | 2018年 1月 8日 |
| Technical article | RS-485 basics: how to calculate unit loads and the maximum number of nodes on your | PDF | HTML | 2016年 3月 8日 |
設計與開發
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開發板
RS485-HF-DPLX-EVM — RS-485 半雙工評估模組
RS-485 半雙工評估模組 (EVM) 可協助設計師評估裝置性能，其支援使用 SN65HVD1x、SN65HVD2x、SN65HVD7x、SN65HVD8x 和 SN65HVD96 半雙工收發器之一快速開發與分析資料傳輸系統。EVM 板出貨時並未將 RS-485 裝置焊接至電路板上。使用者可索取樣品或購買任何 TI RS-485 半雙工裝置，以進行評估。如需相容裝置的完整清單，請參閱 EVM 使用指南。
模擬工具
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
模擬工具
TINA-TI — 基於 SPICE 的類比模擬程式
TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOIC (D) | 8 | Ultra Librarian |
訂購與品質
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