参数资料
型号: SI8422AB-B-IS
厂商: Silicon Laboratories Inc
文件页数: 22/37页
文件大小: 0K
描述: IC ISOLATOR DGTL 2.5KV 8SOIC
视频文件: Digital Isolation Overview
Digital Isolators vs. Optocouplers
标准包装: 96
系列: ISOpro
输入 - 1 侧/2 侧: 1/1
通道数: 2
电源电压: 2.7 V ~ 5.5 V
电压 - 隔离: 2500Vrms
数据速率: 1Mbps
传输延迟: 35ns
输出类型: 逻辑
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
工作温度: -40°C ~ 125°C
Si8410/20/21 (5 kV)
Si8 422/23 ( 2. 5 & 5 k V)
3. Device Operation
Device behavior during start-up, normal operation, and shutdown is shown in Figure 7, where UVLO+ and UVLO-
are the positive-going and negative-going thresholds respectively. Refer to Table 12 to determine outputs when
power supply ( V DD ) is not present.
Table 12. Si84xx Logic Operation Table
V I Input 1, 4 VDDI State 1,2,3 VDDO State 1,2,3
V O Output 1, 4
Comments
H
P
P
H
L
X 5
P
UP
P
P
L
H 6 (Si8422/23)
Normal operation.
Upon transition of VDDI from unpowered to
L 6
(Si8410/20/21) powered, V O returns to the same state as V I in
less than 1 μs.
X 5
P
UP
Undetermined
Upon transition of VDDO from unpowered to
powered, V O returns to the same state as V I
within 1 μs.
Notes:
1. VDDI and VDDO are the input and output power supplies. V I and V O are the respective input and output terminals.
2. Powered (P) state is defined as 2.72.60 V < VDD < 5.5 V.
3. Unpowered (UP) state is defined as VDD = 0 V.
4. X = not applicable; H = Logic High; L = Logic Low.
5. Note that an I/O can power the die for a given side through an internal diode if its source has adequate current.
6. See "6. Ordering Guide" on page 29 for details. This is the selectable fail-safe operating mode (ordering option). Some
devices have default output state = H, and some have default output state = L, depending on the ordering part number
(OPN).
22
Rev. 1.3
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