The ISL8308xE are BiCMOS, ESD protected, 5V powered, single transceivers that meet both the RS-485 and RS-422 standards for balanced communication. Each driver output, and receiver input, is protected against ±15kV ESD strikes without latch-up, and unlike competitive products, this Intersil family is specified for 10% tolerance supplies (4. 5V to 5. 5V). These devices have very low bus currents (+125µA/-75µA), so they present a true 1/8 unit load to the RS-485 bus. This allows up to 256 transceivers on the network without violating the RS-485 specification's 32 unit load maximum, and without using repeaters. For example, in a remote utility meter reading system, individual meter readings are routed to a concentrator via an RS-485 network, so the high allowed node count minimizes the number of repeaters required. Data for all meters is then read out from the concentrator via a single access port, or a wireless link. Receiver (Rx) inputs feature a Full Fail-Safe design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. The ISL83080E, ISL83082E, ISL83083E, ISL83084E, ISL83085E utilize slew rate limited drivers which reduce EMI, and minimize reflections from improperly terminated transmission lines, or unterminated stubs in multidrop and multipoint applications. Slew rate limited versions also include receiver input filtering to enhance noise immunity in the presence of slow input signals. Hot Plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state until the power supply has stabilized, and the Tx outputs are fully short circuit protected. The ISL83080E, ISL83083E, ISL83084E, ISL83086E are configured for full duplex (separate Rx input and Tx output pins) applications. The half duplex versions multiplex the Rx inputs and Tx outputs to allow transceivers with output disable functions in 8 Ld packages.

特性

  • Pb-free Available (RoHS Compliant)
  • RS-485 I/O Pin ESD Protection ±15kV HBM Class 3 ESD Protection (HBM) on all Pins >7kV
  • Tiny MSOP Packages Save 50% Board Space
  • Full Fail-safe (Open, Short, Terminated and Floating) Receivers
  • Hot Plug Circuitry (ISL83080E, ISL83082E, ISL83083E, ISL83085E)
  • Tx and Rx Outputs Remain Three-state During Power-up/Power-down
  • True 1/8 Unit Load Allows up to 256 Devices on the Bus
  • Specified for Single 5V, 10% Tolerance, Supplies
  • High Data Rates up to 10Mbps
  • Low Quiescent Supply Current 530µA Ultra Low Shutdown Supply Current70nA
  • -7V to +12V Common Mode Input Voltage Range
  • Half and Full Duplex Pinouts
  • Three-State Rx and Tx Outputs (Except ISL83084E)
  • Current Limiting and Thermal Shutdown for driver Overload Protection

应用

  • Automated Utility Meter Reading Systems
  • High Node Count Systems
  • Factory Automation
  • Field Bus Networks
  • Security Camera Networks
  • Building Environmental Control Systems
  • Industrial/Process Control Networks

tune产品选择

器件号 Part Status Pkg. Type Carrier Type MOQ Buy Sample
Last Time Buy SOICN Tube 1000
Availability
Last Time Buy SOICN Reel 2500
Availability
Active MSOP Tube 980
Availability
Active MSOP Reel 2500
Availability

description文档

文档标题 language 类型 文档格式 文件大小 日期
数据手册与勘误表
star ISL83080E, ISL83082E, ISL83083E, ISL83084E, ISL83085E, ISL83086E, ISL83088E Datasheet 数据手册 PDF 1.24 MB
应用指南 & 白皮书
R15AN0002: RS-485 Transient Protection in Industrial DC-Supply Buses Rev.1.00 应用文档 PDF 178 KB
How to Simplify Industrial PC Interfaces English 白皮书 PDF 1010 KB
AN1991: Isolating RS-485 Interfaces with High-Speed Digital Optocouplers 应用文档 PDF 513 KB
AN1990: RS-485 Transceivers in J1708 Physical Layer Applications of Heavy Duty Vehicles 应用文档 PDF 826 KB
AN1987: RS-485 External Fail-Safe Biasing for Isolated Long Haul Buses 应用文档 PDF 443 KB
AN1986: External Fail-Safe Biasing of RS-485 Networks 应用文档 PDF 582 KB
AN1985: Transient Protection for the Standard RS-485 Transceiver: ISL3152E 应用文档 PDF 335 KB
AN1989: RS-422 vs RS-485: Similarities and Key Differences 应用文档 PDF 440 KB
AN1976: Important Transient Immunity Tests for RS-485 Networks 应用文档 PDF 338 KB
AN1977: Transient Voltage Suppressors: Operation and Features 应用文档 PDF 365 KB
AN1978: Surge Protection for Intersil's Standard RS-485 Transceivers 应用文档 PDF 369 KB
AN1979: Surge Protection simplified with Intersil's Overvoltage Protected (OVP) Transceivers 应用文档 PDF 500 KB
AN1980: Ground Potential Differences: Origin and Remedies 应用文档 PDF 375 KB
AN1593: Add a Loss of Signal (LOS) Indicator to Your RS-485 or RS-422 Transceiver 应用文档 PDF 559 KB
PCN / PDN
PCN20017 - Alternate bond wire material and assembly facility of the listed Renesas nSOIC packaged products 产品变更通告 PDF 266 KB
PCN15046 - Wafer Fabrication Site Change for Listed Intersil Products - Global Foundry P6 Process transfer to Palm Bay - Phase II 产品变更通告 PDF 398 KB
PCN13026 - Alternate Manufacturing Site for Assembly of the Listed Intersil SOIC Packaged Products - Amkor Technology, Philippines (ATP) 产品变更通告 PDF 77 KB
PCN12068 - SOIC w/ Copper Bond Wire @ ASECL as Alternate Assembly Site 产品变更通告 PDF 108 KB
其他
Analog ICs Brochure 日本語 手册 PDF 4.20 MB
TB506: Functional Principles of RS-485 Drivers and Receivers 其他 PDF 156 KB
TB509: Detecting Bus Signals Correctly with Failsafe Biased RS-485 Receivers 技术摘要 PDF 300 KB
TB511: The Unit Load Concept 其他 PDF 253 KB
TB505: Understanding the Difference between HBM and IEC 61000-4-2 ESD Immunity 其他 PDF 254 KB

file_download下载

文档标题 language 类型 文档格式 文件大小 日期
模型
isl83083e Model - Other IBS 56 KB