メインコンテンツに移動
ルネサス エレクトロニクス株式会社 (Renesas Electronics Corporation) - 6月はプライド月間として、LGBTQ+の権利や文化、コミュニティについて啓発する世界的な活動月間です

特長

  • Fault protected RS-485 bus pins: up to ±60V
  • Extended common mode range: ±25V More than twice the range required for RS-485
  • 1/4 unit load for up to 128 devices on the bus
  • High transient overvoltage tolerance: ±80V
  • Full fail-safe (open, short, terminated) RS-485 receivers
  • High Rx IOL for opto-couplers in isolated designs
  • Hot plug circuitry - Tx and Rx outputs remain three-state during power-up/power-down
  • Choice of RS-485 data rates: 250kbps to 15Mbps
  • Low quiescent supply current: 2.3mA
  • Ultra low shutdown supply current: 10μA
  • Pb-free (RoHS compliant)

説明

The ISL31490E, ISL31491E, ISL31492E, ISL31493E, ISL31495E, ISL31496E, ISL31498E are fault protected, 5V powered, differential transceivers that exceed the RS-485 and RS-422 standards for balanced communication. The RS-485 transceiver pins (driver outputs and receiver inputs) are protected against faults up to ±60V. Additionally, the extended common mode range allows these transceivers to operate in environments with common mode voltages up to ±25V (>2x the RS-485 requirement), making this RS-485 family one of the most robust on the market. Transmitters deliver an exceptional 2. 5V (typical) differential output voltage into the RS-485 specified 54Ω load. This yields better noise immunity than standard RS-485 ICs, or allows up to six 120Ω terminations in star network topologies. Receiver (Rx) inputs feature a “Full Fail-safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or on a terminated but undriven (idle) bus. Rx outputs have high drive levels - typically 15mA at VOL = 1V (for opto-coupled, isolated applications). Half duplex (Rx inputs and Tx outputs multiplexed together) and full duplex pinouts are available. See Table 1 on page 3 for key features and configurations by device number. For fault protected or wide common mode range devices with cable invert (polarity reversal) please see the ISL32485E datasheet.

パラメータ

属性
Temp. Range (°C)-40 to +85°C
Devices Allowed on Bus128

パッケージオプション

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
SOICN4.9 x 3.9 x 0.0081.3

アプリケーション

  • Utility Meters/Automated Meter Reading Systems
  • High Node Count Systems
  • PROFIBUS™ and Field Bus Networks, and Factory Automation
  • Security Camera Networks
  • Building Lighting and Environmental Control Systems
  • Industrial/Process Control Networks
Part NumberStatusSamplesStockRoHSPackageBudgetary Price (USD)Lead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Pitch (mm)Pkg. Dimensions (mm)Pb (Lead) FreePb Free CategoryTemp. Range (°C)Country of AssemblyCountry of Wafer Fabrication
ISL31492EIBZActiveAvailableIn StockRoHS:EN
SOIC1ku | $1.448#Tube31.3mm4.9 x 3.9 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°CMALAYSIA, TAIWANTAIWAN
ISL31492EIBZ-TActiveN/AIn StockRoHS:EN
SOIC1ku | $1.448#Reel31.3mm4.9 x 3.9 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°CMALAYSIA, TAIWANTAIWAN
ISL31492EIBZ-T7AActiveN/AIn StockRoHS:EN
SOIC1ku | $2.048#Reel31.3mm4.9 x 3.9 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°CMALAYSIA, TAIWANTAIWAN
ISL31492EIRTZObsoleteN/AOut of StockRoHS:EN
TDFN8#Tube116.5mm3.0 x 3.0 x 0.75YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°C
ISL31492EIRTZ-TObsoleteN/AIn StockRoHS:EN
TDFN8#Reel116.5mm3.0 x 3.0 x 0.75YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°C
ISL31492EIRTZ-T7AObsoleteN/AIn StockRoHS:EN
TDFN8#Reel116.5mm3.0 x 3.0 x 0.75YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°C
ISL31492EIUZ-TObsoleteN/AOut of StockContactMSOP8#Reel10.7mm3.0 x 3.0 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +85°C
サポートコミュニティ

サポートコミュニティ

ルネサスエンジニアリングコミュニティの技術スタッフから迅速なオンライン技術サポートを受けることができます。
記事を参照する

ナレッジベース

ナレッジベースを参照して、役立つ記事、FAQ、その他の役立つリソースを入手してください。
サポートチケット

サポートチケット

技術的に深い内容や公開したくない内容のご質問はこちらです。