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    ISO7821
    高隔離額定值、雙通道、1/1、增強(qiáng)型數(shù)字隔離器
    ISO7821 是一款高性能雙通道數(shù)字隔離器，隔離電壓高達(dá) 8000 VPK。 該器件已通過符合 VDE、CSA 和 CQC 標(biāo)準(zhǔn)的增強(qiáng)型隔離認(rèn)證。 在隔離 CMOS 或者 LVCMOS 數(shù)字 I/O 時(shí)，該隔離器可提供高電磁抗擾度和低輻射，且具有低功耗特性。 每個(gè)隔離通道的邏輯輸入和輸出緩沖器均由二氧化硅 (SiO2) 絕緣隔柵分離開來。 ISO7821 具有一個(gè)正向通道和一個(gè)反向通道。。 如果出現(xiàn)輸入功率或信號(hào)丟失，ISO7821 器件默認(rèn)輸出“高”電平，ISO7821F 器件默認(rèn)輸出“低”電平。 更多詳細(xì)信息與隔離式電源一起使用時(shí)，此器件可防止數(shù)據(jù)總線或者其它電路上的噪音電流進(jìn)入本地接地  ? 信號(hào)傳輸速率：高達(dá) 100Mbps \n? 2.25V 至 5.5V 電平轉(zhuǎn)換\n? 低功耗，每通道電流典型值為 1.8mA（1Mbps 時(shí)） \n? 行業(yè)領(lǐng)先的 CMTI：±100kV/μs\n? 系統(tǒng)級(jí)靜電放電 (ESD)、瞬態(tài)放電 (EFT) 以及抗浪涌保護(hù)\n? 隔離隔柵壽命：> 25 年\n? 安全及管理批準(zhǔn)：中的安全及管理批準(zhǔn)列表 \n? 符合 UL 1577 標(biāo)準(zhǔn)且長(zhǎng)達(dá) 1 分鐘的 5.7kVRMS 隔離\n? 符合 GB4943.1-2011 的 CQC 認(rèn)證;
    TI
    德州儀器
    

    ISO7821DW.B
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWR
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWR.A
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWR.B
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWW.A
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWW.B
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWWR.B
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821DWWR.B
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    ISO7821F
    ISO7821x High-Performance, 8000VPK Reinforced Dual Channel Digital Isolator
    
1 Features
? Signaling Rate: Up to 100Mbps
? Wide Supply Range: 2.25V to 5.5V
? 2.25V to 5.5V Level Translation
? Wide Temperature Range: –55°C to 125°C
? Low Power Consumption, Typical 1.8mA per
Channel at 1Mbps
? Low Propagation Delay: 11ns Typical
(5V Supplies)
? Industry leading CMTI(
    文件：1.32601 Mbytes 頁(yè)數(shù)：40 Pages
    TI
    德州儀器
    

    
            
    
		
        
    
            
    
                
    技術(shù)參數(shù)
    
            
    
            
      
            	
    • Number of channels (#)：
      2
    • Forward/reverse channels：
      1/1
    • Isolation rating (Vrms)：
      5700
    • Data rate (Max) (Mbps)：
      100
    • Rating：
      Catalog
    • Surge voltage capability (Vpk)：
      12800
    • Current consumption per channel (DC) (Typ) (mA)：
      1.2
    • Current consumption per channel (1 Mbps) (Typ) (mA)：
      1.8
    • Operating temperature range (C)：
      -55 to 125
    • Default output：
      High
    • Supply voltage (Max) (V)：
      5.5
    • Supply voltage (Min) (V)：
      2.25
    • Propagation delay (Typ) (ns)：
      10.7
    
            
    
        
    
            
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            更新時(shí)間2026-1-22 8:31:00
        
    
        
    
          
    
            
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