ISO7420FE - 低功耗双通道数字隔离器

ISO7420FE是TI德州仪器公司的一款无产品，ISO7420FE是低功耗双通道数字隔离器，本站介绍了ISO7420FE的封装应用图解、特点和优点、功能等，并给出了与ISO7420FE相关的TI元器件型号供参考。

ISO7420FE - 低功耗双通道数字隔离器 - 无 - 数字隔离器 - 德州仪器

产品特性

Signaling Rate > 50 Mbps
Default Output 'High' and 'Low' Options
Low Power Consumption: Typical ICC per Channel (3.3-V Supplies):
- ISO7420: 1.4 mA at 1 Mbps, 2.5 mA at 25 Mbps
- ISO7421: 1.8 mA at 1 Mbps, 2.8 mA at 25 Mbps
Low Propagation Delay: 7 ns Typical
Low Pulse Skew: 200 ps Typical
Wide TA Range Specified: –40°C to 125°C
50-KV/μs Transient Immunity, Typical
Isolation Barrier Life: > 25 Years
Operates from 3-V to 5.5-V Supply Levels
3.3-V and 5-V Level Translation
Narrow Body SOIC-8 Package
Safety and Regulatory Approvals:
- 4242 VPK Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1
- 2500 VRMS Isolation for 1 minute per UL 1577
- CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 Standards
- CQC Certification per GB4943.1-2011

产品应用

Opto-Coupler Replacement in:
- Industrial FieldBus
  - ProfiBus
  - ModBus
  - DeviceNet™ Data Buses
- Servo Control Interface
- Motor Control
- Power Supplies
- Battery Packs

产品说明

ISO742x provide galvanic isolation up to 2500 VRMS for 1 minute per UL and 4242 VPK per VDE. These devices have two isolated channels. Each channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuit from entering the local ground and interfering with or damaging sensitive circuitry. ISO7420 has both channels in the same direction while ISO7421 has the two channels in opposite direction. In case of input power or signal loss, default output is 'low' for devices with suffix 'F' and 'high' for devices without suffix 'F'. ISO742x have no integrated noise filter and thus have fast propagation delays.

These devices have TTL input thresholds and operate from 3-V to 5.5-V supplies. All inputs are 5-V tolerant when supplied from a 3.3-V supply.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
ISO7420E	SOIC (8)	4.90 mm x 3.91 mm
ISO7420FE
ISO7421E
ISO7421FE

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