Datasheet > NSI83085C

NSI83085C

更新时间： 2024-04-09 19:00:39

品牌	Logo	应用领域
纳芯微 - NOVOSENSE		隔离技术
页数	文件大小	规格书
23页	2500K
描述
NSI83085C 是一款基于 NOVOSENSE 数字隔离技术的高可靠性隔离半双工 RS-485 收发器。NSI83085C 通过了 UL1577 安全认证，支持 5kVrms 绝缘耐压，同时具

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NSI83085C 数据手册

NSI83085C

High Reliability Isolated Half -Duplex

RS-485 Transceivers

Datasheet (EN) 1.2

Safety Regulatory Approvals

Product Overview

NSI83085C is a high reliability isolated half duplex

RS-485 transceiver based on NOVOSENSE digital

isolation technology. The NSI83085C is safety

certified by UL1577 support 5kV_rmsinsulation

 UL recognition: up to 5000V_rmsfor 1 minute per

UL1577

 CQC certification per GB4943.1

withstand

voltages,

while

providing

high

 CSA component notice 5A approval IEC60950-1

electromagnetic immunity and low emissions at low

power consumption.

standard

 DIN EN IEC 60747-17 (VDE 0884-17)

The Bus pins of NSI83085C is protected from ±10kV

system level ESD to GND2 on Bus side. The device

feature fail-safe circuitry, which guarantees a logic-

high receiver output when the receiver inputs are

open or shorted. The device has a 1/8-unit-load

receiver input impedance that allows up to 256

transceivers on the bus.

Applications

 Industrial automation system

The data rate of NSI83085C is 12Mbps. The device

is slew limited to reduce EMI and reflections with

improperly terminated transmission line.

 Isolated RS-485 communication

 Smart electric meter and water meter

 Security and protection monitoring

Key Features

Device Information

 Up to 5000V_rmsInsulation voltage

 Bus side power supply voltage: 3.0V to 5.5V

 VDD1 supply voltage: 2.5V to 5.5V

 High CMTI: ±150kV/μs

Part Number

Package

Body Size

NSI83085C-DSWR SOP16(300mil) 10.30mm × 7.50mm

 High system level EMC performance:

Bus Pins meet IEC61000-4-2 ±10kV ESD

 Fail-safe protection receiver

Functional Block Diagrams

VDD₁

GND₁

VDD₂

15 GND₂

14 NC

 Up to 256 transceivers on the bus

 Operation temperature: -40°C ~105°C

/RE

 RoHS-compliant packages:

10 GND₂

GND₂

SOW16

GND₁

NSi83085C

Figure 1. NSI83085C Block Diagrams

Page 1

12 3 4 5 6 7...23

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