Two-Channel, Low-Power, 3kVRMS and 5kVRMS Digital Isolators, BL7121 Replace MAX12931.
BL7121
BL7121.pdf
BL7121.pdfFEATURES
• 100Mbps 信号传输速率
• 强大的隔离性能
±100kV/µs CMTI（典型值）
3.75kVRMS 隔离耐压
>50 年的隔离栅寿命
高达 8kV 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
• Robust Galvanic Isolation of Digital Signals
Withstands 5kVRMS for 60s (VISO) Wide-Body
Withstands 3kVRMS for 60s (VISO) Narrow-Body
Continuously Withstands 848VRMS (VIOWM) Wide-Body
Continuously Withstands 445VRMS (VIOWM) Narrow-Body
Withstands ±10kV Surge Between GNDA and GNDB with
1.2/50µs Waveform
High CMTI (50kV/µs, typ)
• Options to Support a Broad Range of Applications
2 Data Rates (25Mbps/150Mbps)
2 Channel Direction Configurations
2 Output Default States (High or Low)
• Low Power Consumption
1.3mW per Channel at 2Mbps with VDD = 3.3V
3.3mW per Channel at 100Mbps with VDD = 1.8V
PIN CONFIGUTION
