Si860x
1.1. Test Circuits
Figure 2 depicts the timing test diagram; Figure 3 depicts the CMTI test diagram.
AVDD
BVDD
R 1
R 1
NC
NC
R 2
R 2
ASDA
ADIN
ADOUT
ASCL
NC
BSDA
BDOUT
BDIN
BSCL
NC
C 1
C 1
C 3
AGND BGND
C 3
C 2
C 2
Si8605
Figure 2. Simplified Timing Test Diagram
3 ? to ? 5 ? V
Supply
Input ?
Si86xx
AVDD
BVDD
Signal
Switch
3 ? to ? 5 ? V
Isolated ?
INPUT
OUTPUT
Supply
Isolated ?
AGND
BGND
Oscilloscope
Ground
Input
High Voltage
Differential
Probe
Output
Vcm ? Surge
Output
High Voltage
Surge Generator
Figure 3. Common Mode Transient Immunity Test Circuit
Rev. 1.3
9
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