参数资料
型号: SI8423AD-B-ISR
厂商: Silicon Laboratories Inc
文件页数: 23/37页
文件大小: 0K
描述: IC ISOLATOR DGTL 5KV 16SOIC W
视频文件: Digital Isolation Overview
Digital Isolators vs. Optocouplers
标准包装: 1,250
系列: ISOpro
输入 - 1 侧/2 侧: 2/0
通道数: 2
电源电压: 2.7 V ~ 5.5 V
电压 - 隔离: 5000Vrms
数据速率: 1Mbps
传输延迟: 35ns
输出类型: 逻辑
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
Si8410/20/21 (5 kV)
Si8422/23 (2.5 & 5 kV)
3.1. Device Startup
Outputs are held low during powerup until V DD is above the UVLO threshold for time period tSTART. Following this,
the outputs follow the states of inputs.
3.2. Under Voltage Lockout
Under Voltage Lockout (UVLO) is provided to prevent erroneous operation during device startup and shutdown or
when V DD is below its specified operating circuits range. Both Side A and Side B each have their own undervoltage
lockout monitors. Each side can enter or exit UVLO independently. For example, Side A unconditionally enters
UVLO when V DD1 falls below V DD1(UVLO–) and exits UVLO when V DD1 rises above V DD1(UVLO+) . Side B operates
the same as Side A with respect to its V DD2 supply.
UVLO+
UVLO-
V DD1
UVLO+
UVLO-
V DD2
INPUT
tSTART
tSD
tSTART
tSTART
tPH L
tPLH
OUTPUT
Figure 7. Device Behavior during Normal Operation
Rev. 1.3
23
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