AT2042 Datasheet, PDF (5/7 Pages) BCD Semiconductor Manufacturing Limited – General Purpose ITVS, 4 I/Os, CI/O-VSS<1.5pF

General Purpose ITVS, 4 I/Os, C_I/O-VSS<1.5pF
Typical Performance Characteristics (Continued)
T_A=25°C, unless otherwise specified.
Data Sheet
AT2042
12
11
10
9
8
IEC 61000-4-5 (Lightning)
7
6
1
2
3
4
5
6
7
8
9 10 11
Current from I/O to VSS (8μs/20μs) (A)
Figure 6. Clamping Voltage
vs. Current from I/O to VSS (8μs/20μs)
2.0
1.8
1.6
f=1MHz, T =25^oC
1.4
A
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Input Voltage (V)
Figure 7. Input Capacitance vs. Input Voltage
V_CLAMPING=11.2V
2V/div
Current
Waveform,
(Surge, 8x20 μs,
I_PP=10.2A)
2A/div
Time 10μs/div
Figure 8. Waveform of I/O to VSS (Positive)
Aug. 2012 Rev. 1.1
BCD Semiconductor Manufacturing Limited
5