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ISO7421E-Q1

現行

車用雙通道、1/1、50-Mbps 數位隔離器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
可直接投入的替代產品，相較於所比較的裝置，具備升級功能
ISO7721-Q1 現行 汽車、穩健 EMC、雙通道、1/1、強化型數位隔離器 Higher isolation, stronger CMTI, wider supply range and better immunity
功能相同，但引腳輸出與所比較的裝置不同
ISO6721-Q1 現行 汽車通用型雙通道 1/1 數位隔離器 Upgrade with higher isolation, stronger CMTI, wider supply range and better immunity

ISO7421E-Q1

現行
產品規格表 立即訂購

產品詳細資料

Rating Automotive Integrated isolated power No Isolation rating Basic Number of channels 2 Forward/reverse channels 1 forward / 1 reverse Default output High Data rate (max) (Mbps) 50 Surge isolation voltage (VIOSM) (VPK) 4000 Transient isolation voltage (VIOTM) (VPK) 4242 Withstand isolation voltage (VISO) (Vrms) 2500 CMTI (min) (V/µs) 25000 Operating temperature range (°C) -40 to 125 Supply voltage (max) (V) 5 Supply voltage (min) (V) 3.3 Propagation delay time (typ) (µs) 0.009 Current consumption per channel (DC) (typ) (mA) 1.8 Current consumption per channel (1 Mbps) (typ) (mA) 1.8 Creepage (min) (mm) 4 Clearance (min) (mm) 4
Rating Automotive Integrated isolated power No Isolation rating Basic Number of channels 2 Forward/reverse channels 1 forward / 1 reverse Default output High Data rate (max) (Mbps) 50 Surge isolation voltage (VIOSM) (VPK) 4000 Transient isolation voltage (VIOTM) (VPK) 4242 Withstand isolation voltage (VISO) (Vrms) 2500 CMTI (min) (V/µs) 25000 Operating temperature range (°C) -40 to 125 Supply voltage (max) (V) 5 Supply voltage (min) (V) 3.3 Propagation delay time (typ) (µs) 0.009 Current consumption per channel (DC) (typ) (mA) 1.8 Current consumption per channel (1 Mbps) (typ) (mA) 1.8 Creepage (min) (mm) 4 Clearance (min) (mm) 4
SOIC (DW) 16 106.09 mm² 10.3 x 10.3
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: -40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level H3A
    • Device CDM ESD classification level C4
  • Propagation delay less than 20 ns
  • Low power consumption
  • Safety and regulatory approvals
    • 4242 VPK Isolation per VDE, 2.5 kVrms isolation per UL 1577, CSA approved per IEC 60950-1 and IEC 61010-1 End Equipment Standards
  • 50 kV/µs Transient immunity typical
  • Operates from 3.3 V or 5 V Supply and logic levels
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: -40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level H3A
    • Device CDM ESD classification level C4
  • Propagation delay less than 20 ns
  • Low power consumption
  • Safety and regulatory approvals
    • 4242 VPK Isolation per VDE, 2.5 kVrms isolation per UL 1577, CSA approved per IEC 60950-1 and IEC 61010-1 End Equipment Standards
  • 50 kV/µs Transient immunity typical
  • Operates from 3.3 V or 5 V Supply and logic levels

The ISO7421E-Q1 provides double galvanic isolation of up to 2.5 KVrms for 1 minute per UL. This digital isolator has two isolation channels in a bi-directional configuration. Each isolation channel has a logic input and output buffer separated by a silicon oxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry.

The devices have TTL input thresholds and require two supply voltages, 3.3 V or 5 V, or any combination. All inputs are 5-V tolerant when supplied from a 3.3-V supply.

Note: The ISO7421E-Q1 is specified for signaling rates up to 50 Mbps. Due to their fast response time, under most cases, these devices will also transmit data with much shorter pulse widths. Designers should add external filtering to remove spurious signals with input pulse duration < 20 ns if desired.

The ISO7421E-Q1 provides double galvanic isolation of up to 2.5 KVrms for 1 minute per UL. This digital isolator has two isolation channels in a bi-directional configuration. Each isolation channel has a logic input and output buffer separated by a silicon oxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry.

The devices have TTL input thresholds and require two supply voltages, 3.3 V or 5 V, or any combination. All inputs are 5-V tolerant when supplied from a 3.3-V supply.

Note: The ISO7421E-Q1 is specified for signaling rates up to 50 Mbps. Due to their fast response time, under most cases, these devices will also transmit data with much shorter pulse widths. Designers should add external filtering to remove spurious signals with input pulse duration < 20 ns if desired.
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類型 標題 日期
* Data sheet Low-power dual digital isolators datasheet (Rev. C) PDF | HTML 2019年 2月 7日
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. W) 2024年 1月 31日
White paper Improve Your System Performance by Replacing Optocouplers with Digital Isolators (Rev. C) PDF | HTML 2023年 9月 7日
Certificate CSA Certificate for ISO752xDW ISO7421E-Q1DW 2023年 3月 15日
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 2021年 11月 16日
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 2021年 6月 11日
Application brief How to Replace Optocouplers with Digital Isolators in Standard Interface Circuit (Rev. A) PDF | HTML 2021年 5月 19日
EVM User's guide Universal Digital Isolator Evaluation Module PDF | HTML 2021年 3月 4日
Application brief Considerations for Selecting Digital Isolators 2018年 7月 24日

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DIGI-ISO-EVM — 通用數位隔離器評估模組

DIGI-ISO-EVM 是一款評估模組 (EVM)，可評估任何 TI 單通道、雙通道、三通道、四通道或六通道數位隔離器裝置，並提供五種不同封裝 - 8 接腳窄體 SOIC (D)、8 接腳寬體 SOIC (DWV)、16 接腳寬體 SOIC (DWW)、16 接腳超寬體 SOIC (DWW) 和 16 接腳 (DBQ) 封裝。EVM 具備足夠 Berg 接腳選項，可用於評估具最少外部零組件的裝置。

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ISO7421FE IBIS Model

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