参数资料
型号: SI8422AB-B-ISR
厂商: Silicon Laboratories Inc
文件页数: 14/37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: 2,500
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: 带卷 (TR)
工作温度: -40°C ~ 125°C
Si8410/20/21 (5 kV)
Si8 422/23 ( 2. 5 & 5 k V)
Table 3. Electrical Characteristics 1 (Continued)
(V DD1 = 2.70 V, V DD2 = 2.70 V, T A = –40 to 125 °C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Si8422Bx
V DD1
V DD2
2.9
2.9
4.3
4.3
mA
Si8423Bx
V DD1
V DD2
3.4
2.0
5.1
2.9
mA
100 Mbps Supply Current (All inputs = 50 MHz square wave, CL = 15 pF on all outputs)
Si8410Bx
V DD1
V DD2
2.0
2.0
3.0
3.0
mA
Si8420Bx
V DD1
V DD2
3.5
5.5
5.3
6.9
mA
Si8421Bx
V DD1
V DD2
4.6
4.6
5.8
5.8
mA
Si8422Bx
V DD1
V DD2
4.6
4.6
5.8
5.8
mA
Si8423Bx
V DD1
V DD2
3.4
5.2
5.1
6.5
mA
Timing Characteristics
Si841xAx, Si842xAx
Maximum Data Rate
Minimum Pulse Width
0
1.0
250
Mbps
ns
Propagation Delay
Pulse Width Distortion
t PHL , t PLH
PWD
See Figure 1
See Figure 1
35
25
ns
ns
|t PLH - t PHL |
Propagation Delay Skew 3
Channel-Channel Skew
t PSK(P-P)
t PSK
40
35
ns
ns
Si841xBx, Si842xBx
Maximum Data Rate
0
150
Mbps
Notes:
1. Specifications in this table are also valid at VDD1 = 2.6 V and VDD2 = 2.6 V when the operating temperature range is
constrained to T A = 0 to 85 °C.
2. The nominal output impedance of an isolator driver channel is approximately 50 ? , ±40%, which is a combination of the
value of the on-chip series termination resistor and channel resistance of the output driver FET. When driving loads
where transmission line effects will be a factor, output pins should be appropriately terminated with controlled
impedance PCB traces.
3. t PSK(P-P) is the magnitude of the difference in propagation delay times measured between different units operating at
the same supply voltages, load, and ambient temperature.
4. Start-up time is the time period from the application of power to valid data at the output.
14
Rev. 1.3
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