ZHCS455F December 2010 – July 2015 ISO7420E , ISO7420FE , ISO7421E , ISO7421FE
PRODUCTION DATA.
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 修訂歷史記錄
- 5 Pin Configuration and Functions
-
6 Specifications
- 6.1 Absolute Maximum Ratings
- 6.2 ESD Ratings
- 6.3 Recommended Operating Conditions
- 6.4 Thermal Information
- 6.5 Electrical Characteristics: VCC1 and VCC2 = 5 V ± 10%
- 6.6 Electrical Characteristics: VCC1 = 5 V ± 10%, VCC2 = 3.3 V ± 10%
- 6.7 Electrical Characteristics: VCC1 = 3.3 V ± 10%, VCC2 = 5 V ± 10%
- 6.8 Electrical Characteristics: VCC1 and VCC2 = 3.3 V ± 10%
- 6.9 Power Dissipation Characteristics
- 6.10 Switching Characteristics: VCC1 and VCC2 = 5 V ± 10%
- 6.11 Switching Characteristics: VCC1 = 5 V ± 10%, VCC2 = 3.3 V ± 10%
- 6.12 Switching Characteristics: VCC1 = 3.3 V ± 10%, VCC2 = 5 V ± 10%
- 6.13 Switching Characteristics: VCC1 and VCC2 = 3.3 V ± 10%
- 6.14 Typical Characteristics
- 7 Parameter Measurement Information
- 8 Detailed Description
- 9 Applications and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12器件和文檔支持
- 13機(jī)械、封裝和可訂購(gòu)信息
封裝選項(xiàng)
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
機(jī)械數(shù)據(jù) (封裝 | 引腳)
- D|8
散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)
訂購(gòu)信息
1 特性
2 應(yīng)用
- 在下列使用中的光電耦合器替代產(chǎn)品：
- 工業(yè)用 FieldBus
- ProfiBus
- ModBus
- DeviceNet™數(shù)據(jù)總線
- 伺服控制接口
- 電機(jī)控制
- 電源
- 電池組
- 工業(yè)用 FieldBus
3 說明
ISO742x 可提供符合 UL 標(biāo)準(zhǔn)的長(zhǎng)達(dá) 1 分鐘且高達(dá) 2500VRMS 的電流隔離，以及符合 VDE 標(biāo)準(zhǔn)的 4242VPK 隔離。這些器件有 2 個(gè)隔離通道。每個(gè)通道有一個(gè)邏輯輸入和輸出緩沖器，這兩個(gè)器件由一個(gè)硅二極管(SiO2) 絕緣隔柵進(jìn)行分離。通過與隔離電源一起使用，這些器件可防止數(shù)據(jù)總線或者其它電路上的噪音電流進(jìn)入本地接地并干擾或者損壞敏感電路。ISO7420 的兩個(gè)通道方向相同，而 ISO7421 的兩個(gè)通道方向相反。如果出現(xiàn)輸入功率或信號(hào)損失，則后綴為“F”的器件默認(rèn)輸出“低”電平，后綴沒有“F”的器件則默認(rèn)輸出“高”電平。ISO742x 未集成噪聲濾波器，因而傳播延遲相對(duì)短暫。
這些器件具有晶體管晶體管邏輯電路 (TTL) 輸入閾值，工作電壓范圍為 3V 到 5.5V。當(dāng)由一個(gè) 3.3V 電源供電時(shí)，所有輸入均為 5V 耐壓。
器件信息(1)
| 器件型號(hào) | 封裝 | 封裝尺寸（標(biāo)稱值） |
|---|---|---|
| ISO7420E | SOIC (8) | 4.90mm x 3.91mm |
| ISO7420FE | ||
| ISO7421E | ||
| ISO7421FE |
- 要了解所有可用封裝，請(qǐng)見數(shù)據(jù)表末尾的可訂購(gòu)產(chǎn)品附錄。
簡(jiǎn)化電路原理圖
VCCI 和 GNDI 分別是輸入通道的電源和接地連接。
VCCO 和 GNDO 分別是輸出通道的電源和接地連接。
4 修訂歷史記錄
Changes from E Revision (January 2013) to F Revision
- 已根據(jù)最新的 TI 標(biāo)準(zhǔn)更改數(shù)據(jù)表格式Go
- Added 引腳配置和功能部分，ESD 額定值表，特性 描述 部分，器件功能模式，應(yīng)用和實(shí)施部分，電源相關(guān)建議部分，布局部分，器件和文檔支持部分以及機(jī)械、封裝和可訂購(gòu)信息部分Go
- 已刪除 說明部分的如下文本：“CC 級(jí)器件集成有應(yīng)用于惡劣環(huán)境的 10ns 濾波器，在這種環(huán)境下，器件的輸入引腳上可能存在短噪聲脈沖。”Go
- VDE 標(biāo)準(zhǔn)更改為 DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Go
- Deleted CC-grade from tPLH, tPHL in the Switching Characteristics tableGo
- Deleted CC-grade from tPLH, tPHL in the Switching Characteristics tableGo
- Deleted CC-grade from tPLH, tPHL in the Switching Characteristics tableGo
- Deleted CC-grade from tPLH, tPHL in the Switching Characteristics tableGo
- Changed the Available Options Table To the Feature Description tableGo
Changes from D Revision (December 2011) to E Revision
- 已刪除器件 ISO7420FCC 和 ISO7421FCCGo
- Changed the NOTE: textGo
- Added table Note to VIORMGo
- Changed Z to Undetermined for the OUTPUT OUTA, OUTB column of the FUNCTION TABLEGo
Changes from C Revision (March 2011) to D Revision
- 已將安全特性要點(diǎn)從“已通過 UL 1577 審批；其他審批正在審理中”更改為“所有機(jī)構(gòu)的審批已通過”Go
- Changed the REGULATORY INFORMATION tableGo
Changes from B Revision (January 2011) to C Revision
- 已添加器件 ISO7420FCC 和 ISO7421FCCGo
- 已將特性要點(diǎn)更改為：低傳播延遲：7ns，典型值（E 級(jí)）Go
- 已將特性要點(diǎn)更改為：低脈沖偏移：200ps，典型值（E 級(jí)）Go
- 已更改安全及管理批準(zhǔn)列表Go
- 已更改數(shù)據(jù)表 說明Go
- Changed the Supply Current values for ISO7421x at 10, 25, and 50 MbpsGo
- Changed the Supply Current values for ISO7421x at 10, 25, and 50 MbpsGo
- Changed the Supply Current values for ISO7421x at 10, 25, and 50 MbpsGo
- Changed the Supply Current values for ISO7421x 25 and 50 MbpsGo
- Added CC-grade and valued to tPLH, tPHL in the Switching Characteristics tableGo
- Added ISO7421x values for Pulse width distortion, Channel-to-channel output skew time, and Part-to-part skew timeGo
- Added CC-grade and valued to tPLH, tPHL in the Switching Characteristics tableGo
- Added ISO7421x values for Pulse width distortion and Channel-to-channel output skew timeGo
- Added CC-grade and valued to tPLH, tPHL in the Switching Characteristics tableGo
- Added CC-grade and valued to tPLH, tPHL in the Switching Characteristics tableGo
- Added graphs Figure 5, Figure 6, Figure 7, and Figure 8Go
- Added graphs Figure 14 and Figure 15Go
- Changed Note 1 Figure 16Go
- Changed Figure 17Go
- Changed the Available Options TableGo
- Changed Isolation resistance test conditionsGo
- Changed the values of VIORM and VPR in the INSULATION CHARACTERISTICS tableGo
- Changed the value of VIOTM in the INSULATION CHARACTERISTICS table From: 4000 To: 4242Go
- Changed Figure 21Go
- Changed PU to X in the last row of the FUNCTION TABLEGo
- Added section: SUPPLY CURRENT EQUATIONSGo
Changes from A Revision (December 2010) to B Revision
- 將特性著重號(hào)從：ISO7421:1Mbps下為TBDmA，25Mbps下為TBDmA改到：ISO7421：1Mbps下為1.8mA，25Mbps下為2.8mAGo
- Updated the ISO7421x Supply Current values for VCC1 and VCC2 = 5VGo
- Updated the ISO7421x Supply Current values for VCC1 = 5V and VCC2 = 3.3VGo
- Updated the ISO7421x Supply Current values for VCC1 = 3.3V and VCC2 = 5VGo
- Updated the ISO7421x Supply Current values for VCC1 and VCC2 = 3.3VGo
Changes from * Revision (December 2010) to A Revision
- Changed the Max values for Supply current for VCC1 and VCC2, CL = 15pFGo