Reinforced, Fast, Low-Power, Four-Channel Digital Isolators, BL7140 Replace MAX22444.
BL7140
BL7140.pdf
BL7140.pdfFEATURES
• 100Mbps 信号传输速率
• 强大的隔离性能
±100kV/µs CMTI（典型值）
5kVRMS 隔离耐压
>50 年的隔离栅寿命
高达 10kV 的抗浪涌能力
• 宽电源电压范围：2.5V 至 5.5V
• 2.5V 至 5.5V 电平转换
• 宽温度范围：-40℃ to 125℃
• 默认输出高电平（H）和低电平（L）选项
• 低传播延迟：11ns（典型值，5V 供电）
• 低脉宽失真：3ns
PIN CONFIGUTION
CROSS
FEATURES
• Reinforced Galvanic Isolation for Fast Digital Signals
Up to 200Mbps Maximum Data Rate
Withstands 5kVRMS for 60s (VISO)
Continuously Withstands 1500VRMS (VIOWM)
Withstands ±12.8kV Surge Between GNDA and
GNDB with 1.2/50μs waveform
High CMTI (50kV/μs, Typical)
• Low Power Consumption
0.74mW per Channel at 1Mbps with VDD = 1.8V
1.4mW per Channel at 1Mbps with VDD = 3.3V
3.2mW per Channel at 100Mbps with VDD = 1.8V
• Options to Support a Broad Range of Applications
2 Maximum Data Rates (200Mbps, 25Mbps)
3 Direction Configurations
Active-High or Active-Low Enable Inputs
2 Fixed Output Default States (High/Low) or Pin
Selectable (M/N Versions)
PIN CONFIGUTION
