参数资料
型号: SI8422AD-B-IS
厂商: Silicon Laboratories Inc
文件页数: 20/37页
文件大小: 0K
描述: ISOLATOR 2CH 5KV 1M 16SOIC
视频文件: Digital Isolation Overview
Digital Isolators vs. Optocouplers
标准包装: 46
系列: ISOpro
输入 - 1 侧/2 侧: 1/1
通道数: 2
电源电压: 2.7 V ~ 5.5 V
电压 - 隔离: 5000Vrms
数据速率: 1Mbps
传输延迟: 35ns
输出类型: 逻辑
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 管件
工作温度: -40°C ~ 125°C
产品目录页面: 628 (CN2011-ZH PDF)
其它名称: 336-1937-5
SI8422AD-B-IS-ND
Si8410/20/21 (5 kV)
Si8 422/23 ( 2. 5 & 5 k V)
2. Functional Description
2.1. Theory of Operation
The operation of an Si84xx channel is analogous to that of an opto coupler, except an RF carrier is modulated
instead of light. This simple architecture provides a robust isolated data path and requires no special
considerations or initialization at start-up. A simplified block diagram for a single Si84xx channel is shown in
Figure 4.
Transmitter
RF
OSCILLATOR
Semiconductor-
Receiver
A
MODULATOR
Based Isolation
Barrier
DEMODULATOR
B
Figure 4. Simplified Channel Diagram
A channel consists of an RF Transmitter and RF Receiver separated by a semiconductor-based isolation barrier.
Referring to the Transmitter, input A modulates the carrier provided by an RF oscillator using on/off keying. The
Receiver contains a demodulator that decodes the input state according to its RF energy content and applies the
result to output B via the output driver. This RF on/off keying scheme is superior to pulse code schemes as it
provides best-in-class noise immunity, low power consumption, and better immunity to magnetic fields. See
Figure 5 for more details.
Input Signal
Modulation Signal
Output Signal
Figure 5. Modulation Scheme
20
Rev. 1.3
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SI8422AD-B-ISR 功能描述:隔离器接口集成电路 Dual Ch 5kV Isolator RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube
SI8422AD-D-IS 功能描述:General Purpose Digital Isolator 5000Vrms 2 Channel 1Mbps 20kV/μs CMTI 16-SOIC (0.295", 7.50mm Width) 制造商:silicon labs 系列:汽车级,AEC-Q100 包装:管件 零件状态:有效 技术:容性耦合 类型:通用 隔离式电源:无 通道数:2 输入 - 输入侧 1/输入侧 2:1/1 通道类型:单向 电压 - 隔离:5000Vrms 共模瞬态抗扰度(最小值):20kV/μs 数据速率:1Mbps 传播延迟 tpLH / tpHL(最大值):35ns,35ns 脉宽失真(最大):25ns 上升/下降时间(典型值):2ns, 2ns 电压 - 电源:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 封装/外壳:16-SOIC(0.295",7.50mm 宽) 供应商器件封装:16-SOIC 标准包装:46
Si8422BB-A-IS 功能描述:隔离器接口集成电路 Dual Ch 2.5kV Isolator, 150M, 1/1 RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube
SI8422BB-A-ISR 制造商:Silicon Laboratories Inc 功能描述:DUAL CH 2.5KV ISOLATOR, 150M, 1/1, SOIC8, LEAD FREE - Tape and Reel
Si8422BB-B-IS 功能描述:隔离器接口集成电路 Dual Ch 2.5kV Isolator 150M 1/1 RoHS:否 制造商:Texas Instruments 通道数量:2 传播延迟时间: 电源电压-最大:5.5 V 电源电压-最小:3 V 电源电流:3.6 mA 功率耗散: 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:SOIC-8 封装:Tube