Maxim Integrated 美信 MAX14930-2 4 通道 2.75kV 数字隔离器美信 

MAX14930-2 4 通道 2.75kV 数字隔离器可在高达 +125°C  的环境温度中在不同功率范围的电路间传送数字信号，用于对数字信号进行强劲的电流隔离， 可耐受 2.75kV（RMS） 达 60s（VISO），持续承受 445V(RMS) （VIOWM), 具有 630VP 重复峰值电压（VIORM），承受±10kV 浪涌，符合 IEC 61000-4-5。提供全部三种可能的单向通道配置，以支持任何 4 通道设计，包括 SPI、RS-232、RS-485 和数字 I/O 应用。这些器件可直接与大多数微处理器及 FPGA 连接。该 MAX14930-2 系列器件有各种数据速率可选，从 DC 到高达 1Mbps、25Mbps 或 150Mbps。每一器件分为默认高或默认低配置。MAX14930-2 数字隔离器两侧均有独立的 1.71V 至 5.5V 电源，因而非常适合用作电平转换器。FEATURES· Robust Galvanic Isolation of Digital Signals

o Withstands 1kVRMS for 60s (VISO) (MAX14130–MAX14131)

o Withstands 2.75kVRMS for 60s (VISO) (MAX14930–MAX14932)

o Continuously Withstands 445VRMS(VIOWM(MAX14930–MAX14932)

o 630VP Repetitive Peak Voltage (VIORM)(MAX14930–MAX14932)

o Withstands ±10kV Surge per IEC 61000-4-5

· Interfaces Directly with Most Micros and FPGAs

o Accepts 1.71V to 5.5V Supplies

· Many Options Support Broad Applications

o 3 Data Rates (1Mbps, 25Mbps, 150Mbps)

o 3 Channel Direction Configuration

o 2 Output Default States (High or Low)

o 3 Packages (3.8mm, 4mm or 8mm Creepage and Clearance)

· Low Power Consumption at High Data Rates:

o At 1.8V:

§ 2.5mA per Channel Typical at 1Mbps

§ 5.25mA per Channel Typical at 100Mbps

o At 3.3V:

§ 2.6mA per Channel Typical at 1Mbps

§ 7.1mA per Channel Typical at 100Mbps应用· Fieldbus Communications for Industrial Automation

· Isolated SPI, RS-232, RS-485/RS-422

· General Multichannel Isolation Applications

· Battery Management

· Medical Systems